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FEMB USER'S MANUAL LS

1. MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default SELECT BY RANGE SELECT BY DRAG WINDOW SELECT BY PART SELECT ALL DISPLAYED SURFACES REJECT LAST REJECT ALL END SELECT 4 Once the surfaces are selected FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System Note The nodes are projected only along the local W axis The user must define the local coordinate system accordingly 5 Once the surfaces are selected FEMB prompts gt SELECT NODE S TO PROJECT ONTO SURFACE S 6 Press right mouse button for other options MODEL ORIENTATION e See discussion for details FEMB User s Manual Version 26 NT 9 27 NODE NODE MODEL STATISTICS NODE e Default NODES IN PART DRAG WINDOW REJECT LAST END SELECT 7 Choose END SELECT to project the nodes and complete the command FEMB User s Manual Version 26 NT 9 28 NODE NODE TRANSFORM NODES Translates or rotates the selected nodes to new location Node Transform Nodes l 2 TRANSFORM NODES FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate
2. FEMB User s Manual Version 26 NT 5 12 FILE FILE RE ARRANGE WINDOWS toggle When activated toggles message window s position between the top and bottom of the screen File Re arrange Windows FEMB User s Manual Version 26 NT 5 13 FILE FILE PRINT SETUP Provides options for choosing the destination printer paper size and paper orientation See your operating system manual for more details File Print FEMB User s Manual Version 26 NT 5 14 FILE FILE PRINT Sends output file of current graphics display window to a specified printer File Print FEMB User s Manual Version 26 NT 5 15 FILE FILE EXIT Closes the FEMB session File Exit FEMB User s Manual Version 26 NT 5 16 FILE GEOMETRY GEOMETRY BUILDER The functions of the Geometry Builder Menu are used to create a new set of line data or modify existing line data FEMB has a 100 000 lines or 200 000 points per database limitation The following options are available e PEATE Generate Arc gt Generate Lines Generate Spline EDIT Add Points To A Line Combine Lines Delete Line s Extend Line Respace Paints On A Line Reverse Line Direction Re scale Line Section Thru Line s Split Line COPY MOVE Copy And Transform Lines Transform Mirror Lines DIGPLA Identify Nodes Points Show Lines A detailed description of each function is provided in the following pages
3. KBS2 Inc 455 S Frontage Rd Burr Ridge Illinois 60521 7104 U S A FEMB Finite Element Model Builder USER S MANUAL Version 26 For Windows NT and Windows 95 A pre and post processor for use with LS DYNA3D Livermore Software Technology Corporation 2876 Waverley Way Livermore California 94550 U S A Ic FEMB Finite Element Model Builder USER S MANUAL Version 26 For Windows NT and Windows 95 A pre and post processor for use with LS DYNA3D September 5 1996 copyright 1996 all rights reserved LIVERMORE SOFTWARE TECHNOLOGY CORPORATION Mailing Addresses KBS2 Ine 455 S Frontage Rd Burr Ridge Illinois 60521 7104 U S A Phone 630 850 7878 Fax 630 850 9455 Livermore Software Technology Corporation Engineering Technology Associates Inc 2876 Waverley Way 1100 East Mandoline Suite B Livermore California 94550 Madison Heights MI 48071 U S A U S A TABLE OF CONTENTS FEMB Finite Element Model Builder Version 26 NT USER S MANUAL A pre and post processor for use with LS DYNA3D TABLE OF CONTENTS Tin tO DUCE Otis AES Coss A EEE eal kc E aes as a AE I ie hes 1 1 General DISCUSSION elses ess oes Bes debe esedet a a A a AAR ices 2 1 MCCLAIN Started See Bd ale hs BA aS Bs Oe Gee OD al ie aaa 3 1 Mam MG 122583 ca Ss cored 3 Soessd Soa cteded N teste Sada N Rede aas eta oe A IN 4 1 Pile ghee aoe n E a eatin celui stone ie adie ita E ete akin E 5 1
4. gt SELECT LINE Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY LINE e Default SELECT BY PART FEMB User s Manual Version 26 NT 6 20 GEOMETRY GEOMETRY SELECT BY DRAG WINDOW REJECT LAST END SELECT 7 Once the lines have been selected END SELECT completes the transformation and allows for the following options 8 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS CURSOR CHANGE INCREMENT DEFINE NEW COORDINATE SYSTEM REPEAT LAST TRANSFORMATION e Default REVERSE LAST OPERATION END SELECT 9 END SELECT exits the function FEMB User s Manual Version 26 NT 6 21 GEOMETRY GEOMETRY TRANSFORM POINT S Translates or rotates selected points to new locations Geom Transform Point s 1 2 POINT S FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB is asking for a desired coordinate system local or global FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System Once the desired coordinate system is selected it will be displayed on the screen and the prompt will read via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Go to Step 4 NO Returns to
5. THE TOOL BAR The tool bar is designed to give the user easy access to the most used functions in FEMB The majority of these functions are described in the following View Manipulation and Utility sections The user may simply click these icons to activate the function instead of clicking through menus P Qlalelelvlolel sla Heeli zelela EE pe j Cursor Zoom Described on page 2 7 Zoom by Window Described on page 2 7 Pan Described on page 2 7 Rotate About X axis Described on page 2 6 SEAE Rotate About Y axis Described on page 2 6 pm N Rotate About Z axis Described on page 2 6 Free Rotation Described on page 2 6 Rotate About Screen X Described on page 2 6 Rotate About Screen Y Described on page 2 6 Rotate About Screen Z Described on Page 2 6 Fill Described on page 2 7 View XY Plane Described on page 2 7 under Recall View View XZ Plane Described on page 2 7 under Recall View View YZ Plane Described on page 2 7 under Recall View Model Statistics Described on page 2 8 Angle Between Three Points Nodes Described on page 2 8 Distance Between Two Points Nodes Described on page 9 31 Identify Element Described on page 8 51 Identify Node Point Described on page 9 29 Show Lines Described on page 6 28 Clear Described on page 2 7 Rearrange Windows Described on page 5 9 fo NEEF BS RMEPFEBEEEE Display Properties Described on page 19 1 FEMB User s Manual Ver
6. GEOMETRY GENERATE LINES Draws lines between nodes and or points through a combination of keyboard and mouse selections The created lines will be included in the Current Part Geom Generate Lines 1 GENERATE LINES 2 FEMB prompts gt SELECT A NODE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NEW LINE KEY IN XYZ INCREMENT XYZ NODE e Default POINT REJECT LAST END SELECT 4 FEMB prompts gt SELECT A NODE e NEW LINE completes the line and returns the user to Step 2 e END SELECT completes the line and exits this function FEMB User s Manual Version 26 NT 6 5 GEOMETRY GEOMETRY GENERATE SPLINE Creates a spline curve through multiple points or nodes or any combination of points and nodes A minimum of three nodes is required to generate a spline curve Geom Generate Spline 1 GENERATE SPLINE 2 FEMB prompts gt SELECT A POINT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NEW LINE KEY IN XYZ INCREMENT XYZ NODE e Default POINT REJECT LAST END SELECT e A minimum of three points nodes is required to create the spline e NEW LINE completes the spline and returns the user to Step 2 e END SELECT completes the spline and exits this function FEMB User s Manual Version 26 NT 6 6 GEOMETRY GEOMETRY ADD POINTS TO A LINE BETWEEN TWO POINTS Ad
7. gt INCLUDE COPIED SURFACE IN ITS ORIGINAL PART YES Copied surface will be in its original part NO Copied surface will be in the current part FEMB User s Manual Version 26 NT 7 17 SURFACE SURFACE SHOW SURFACE Highlights selected surfaces by cursor similar to the Show Line command in the Geom Menu Surface Show Surface 1 SHOW SURFACE 2 FEMB prompts gt SELECT SURFACE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default KEY IN SURFACE NO END SELECT FEMB User s Manual Version 26 NT 7 18 SURFACE ELEMENT ELEMENT The Element Menu contains commands used to create and modify elements Elements the basis for finite element modeling are created from within this menu The user can create elements through Surface Mesh which automatically meshes IGES surfaces substantially faster than creating a mesh by hand The Line Mesh and Line Solid Mesh options create plate and solid elements via line data selection respectively Elements can be modified to suit a particular model by using commands such as Modify Split and Coarse elements The available commands are listed below ets spe Create Elements gt Create Free Surface Elements Mesh Options Drag Mesh Line Mesh Plate Solid Mesh te E e a KART D f Coarse Elements Change Element No Delete Element s Modify Element Renumber Elements
8. Check ID Elements etc Entities that are highlighted will remain highlighted until the Clear command is executed REDRAW FEMB 26 NT is currently designed to update the screen after each command Occasionally after specific commands the screen needs to be refreshed such as resize element normal arrows after a dynamic zoom is performed FILL Rescales the model so that all entities parts that are currently turned on are displayed on the screen Fill automatically zooms a model in or out so that the entire model fits the graphics display window FEMB User s Manual Version 26 NT 2 7 GENERAL DISCUSSION GENERAL DISCUSSION MODEL STATISTICS Presents the user with complete statistics about a model including geometry model element and interface information ANGLE BETWEEN THREE POINTS NODES Calculates and displays the angle between two lines from the selection of three nodes or points FEMB User s Manual Version 26 NT 2 8 GENERAL DISCUSSION GETTING STARTED GETTING STARTED There are three basic scenarios that the user will encounter when starting FEMB 1 Supplied CAD line surface data must be read into FEMB 2 Supplied model data e g LS DYNA3D etc must be read directly into FEMB 3 CAD or model data is not supplied so the user must start with an empty database and generate or digitize line data from a drawing GETTING STARTED WITH CAD DATA In the LS DYNA3D program manager start FEM
9. Edit Material Properties Change Material Color Delete Material s Change Material ID Change Material Name cacad 7 Toys heheh i Copy Material DISPLAY List Materials Part ON OFF By Material Display Materials A detailed description is provided in the following pages FEMB User s Manual Version 26 NT 12 1 MATERIAL PROPERTY MATERIAL PROPERTY CREATE A MATERIAL Creates a new material Matl Create A Material 1 CREATE A MATERIAL 2 FEMB prompts via Pop Up window gt ENTER NAME OF NEW MATERIAL e FEMB checks if the entered name already exists If the name already exists then FEMB prompts for a different name 3 After entering a material name FEMB prompts the user to define the material type press the ACCEPT button LS DYNA3D MATERIAL TYPE 1 MATERIAL TYPE 2 MATERIAL TYPE 3 MATERIAL TYPE 6 MATERIAL TYPE 7 MATERIAL TYPE 12 MATERIAL TYPE 20 MATERIAL TYPE 24 MATERIAL TYPE 26 MATERIAL TYPE 27 MATERIAL TYPE 37 MATERIAL TYPE 57 MATERIAL TYPE 66 MATERIAL TYPE 67 MATERIAL TYPE 68 MATERIAL TYPE 69 MATERIAL TYPE 70 MATERIAL TYPE 71 MATERIAL TYPE 75 Select the LS DYNA3D material type from the Pop Up window and Currently FEMB supports 19 Materials in 4 FEMB displays a material property table for the appropriate material type for the user to fill in the property values FEMB User s Manual Version 26 NT 12 2 MATERIAL PROPERTY MATERIAL PROPERTY 5 After a
10. REMOVE SOLID INTERIOR FACES e The animation will be presented without hidden surface removal but the non free faces of all solid elements will be invisible HIDDEN LINE COLOR FILL e The animation will be presented with hidden surface removal with each element filled with its part color HIDDEN LINE BLACK FILL e The animation will be presented with hidden surface removal with each element regardless of its part association filled with black FEMB User s Manual Version 26 NT 17 6 POST PROCESSING POST PROCESSING 5 After selection the animation begins Pressing the right mouse button will display other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS INDIVIDUAL FRAME END SELECT 6 END SELECT returns to the Post Processing Menu FEMB User s Manual Version 26 NT 17 7 POST PROCESSING POST PROCESSING PLOT CONTOUR FILL Takes information from the result file and superimposes a fill color STRESS STRAIN DISPLACEMENT contour image onto the current model The color legend located in the upper right hand corner of the screen displays the corresponding values The location of the highest value in the model is labeled with an asterisk and the lowest value is labeled with a zero 0 Post Plot Contour Fill 1 CONTOUR FILL 2 FEMB prompts via Pop Up window gt SELECT STEPS 3 After desired step is selected a Component window appears and the user must select the desired STRESS S
11. Renames the selected material Material Change Material Name 1 CHANGE MATERIAL NAME 2 FEMB prompts the user to select a material property gt SELECT MATERIAL TO RENAME gt PICK AN ELEMENT TO IDENTIFY A MATERIAL 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY MATERIAL NAME REJECT SELECTION END SELECT 4 After selecting a material to be renamed FEMB prompts via Pop Up window gt MATERIAL xxx IS SELECTED e A Pop Up window for entering a new material name is displayed 5 Enter the new material name and click the Accept button If the entered name already exists then FEMB prompts for a new name again Select the Cancel button to exit without changing the material name FEMB User s Manual Version 26 NT 12 10 MATERIAL PROPERTY MATERIAL PROPERTY COPY MATERIAL Copies material properties from one material to another material Material Copy Material 1 2 COPY MATERIAL FEMB prompts the user to select a material gt SELECT NAME OF MATERIAL TO BE DUPLICATED gt PICK AN ELEMENT TO IDENTIFY A MATERIAL Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY MATERIAL NAME REJECT LAST END SELECT After selecting the desired material to copy FEMB prompts via Pop Up window gt MATERIAL xxx IS SELECTED gt
12. s Manual Version 26 NT 8 22 ELEMENT ELEMENT PLATE SOLID MESH SURFACE MESH Automatically meshes surface data Currently FEMB automeshes surfaces using 2D elements plate elements The user has the option to automesh either selecting one surface multiple surfaces or all displayed surfaces Elem Plate Solid Mesh Surface Mesh 1 SURFACE MESH 2 FEMB prompts gt SELECT SURFACES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default SELECT BY RANGE SELECT BY DRAG WINDOW SELECT BY PART SELECT ALL DISPLAYED SURFACES REJECT LAST REJECT ALL END SELECT e Selecting END SELECT completes this step and starts the next 4 If multiple surfaces is selected FEMB goes to step 6 If only one surface is selected FEMB prompts gt INCLUDE ELEMENTS IN THEIR ORIGINAL PART Y N YES FEMB creates and stores the elements in the PID of the surface from which they were created NO FEMB creates and stores the elements in the Current Part 5 After entering YES or NO FEMB prompts gt ENTER NUMBER OF ELEMENTS N1 N2 N3 N4 e See 2 Line Mesh for a description of this prompt e If atrimmed surface is selected only N1 N2 will be prompted e After the number of elements is entered FEMB goes to step 8 6 If multiple surfaces are selected FEMB prompts gt ENTER THE ELEMENT SIZE global element size FEMB User s Manual Version 26 NT 8
13. 2 Select type of segments to be created MASTER SLAVE 3 FEMB prompts to select element as master or slave segment gt SELECT MASTER SLAVE SEGMENTS gt SELECT ELEMENTS 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST REJECT ALL END SELECT 5 END SELECT completes the task 6 The master segments are drawn as interior outlines of the elements where the segments are defined The letter M is labeled in the middle of the master segments The slave segments are drawn similarly as the master segments except that they are labeled with the letter S Note If the user attempts to define master segments in sliding interface type 4 FEMB will issue a warning message MASTER SEGMENT NOT USED IN LF TYPE 4 and ignore the command FEMB User s Manual Version 26 NT 14 21 INTERFACE MENU INTERFACE MENU Note Ifthe user attempts to define slave segments in sliding interface type 5 6 7 or 8 FEMB will issue a warning message SLAVE SEGMENT NOT USED IN I F TYPES 5 6 7 AND 8 and ignore the command FEMB User s Manual Version 26 NT 14 22 INTERFACE MENU INTERFACE MENU ASSIGN SLAVE NODES Defines slave nodes in the current interface by selecting nodes from the existing model I F Assign Slave Nodes 1 ASS
14. CHANGE NODE NUMBER Changes node numbers of existing nodes Parts do not need to be on or current to have their node numbers changed Node Change Node Number 1 CHANGE NODE NUMBER 2 FEMB prompts gt SELECT NODE FOR NEW NODE NUMBER 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE POINT e Default REJECT LAST END SELECT 4 After selecting a node FEMB prompts gt ENTER NEW NODE NO FOR XXX OR CR FOR UNCHANGED e Any unused positive integer is a valid entry If the entered number is already being used FEMB prompts gt NODE NUMBER xxxx ALREADY EXISTS REQUEST DENIED FEMB User s Manual Version 26 NT 9 4 NODE NODE CHECK FOR COINCIDENT NODES Checks the displayed part s or the entire model for coincident nodes Coincident nodes are defined as those nodes with a distance between each other which is less than or equal to a specified tolerance The default tolerance which is the minimal tolerance that FEMB will allow is 0 01 units The user may define a greater tolerance Coincident nodes will merge to the lowest node number in the coincident node group i e two nodes sharing the same location will be combined and renumbered to the lower grid number leaving the higher number node as an unreferenced node Node Check for Coincident Nodes 1 CHECK FOR COINCIDENT NODES 2 FEMB prompts via Pop Up window gt ENTER TOL DEFAULT 0 01 e
15. END SELECT FEMB User s Manual Version 26 NT 17 20 POST PROCESSING POST PROCESSING POST SUMMARY A Pop Up window indicates the status of the result file by displaying the stress strain and displacement data availability at given timesteps Post Post Summary FEMB User s Manual Version 26 NT 17 21 POST PROCESSING GRAPH GRAPH The functions in the Graph Menu allow the user to visualize time history results X Y data gathered from LS DYNA3D analysis FEMB offers a wide range of tools to help the user better understand and convey these results Features include the ability to manipulate the display area s settings labels colors etc and a host of advanced filtering techniques FIR Butterworth scaling smoothing averaging multiple graphs etc The commands are organized as follows Unload Previously Loaded Graphs IEW 7A Superimpose Model Clear Screen gt Plot Current Graph Plot Multi Graphs gt Select Graph Add Curve To Graph Curve Operations gt Delete Curves Options gt Query gt Range Set Defaults gt Save Curves gt Note The user will not have access to the GRAPH menu until data has been read in from FILE OPEN A detailed description of the commands is provided in the following pages FEMB User s Manual Version 26 NT 18 1 GRAPH GRAPH UNLOAD PREVIOUSLY LOADED GRAPHS Removes all graph information from memory Graph Unload Previously Loaded
16. FMB The user may open an existing FEMB database or create a new one b DYN Keyword and non keyword LS DYNAS3D files can be read directly into FEMB FEMB supports versions 88 to 940 keyword All existing properties materials and subcases are retained in the database FEMB User s Manual Version 26 NT 5 5 FILE FILE SAVE Saves writes a copy of the FEMB database The file will write over erase any previously saved version with the same filename File Save 1 SAVE 2 FEMB displays the date and time the file was saved in the message window FEMB User s Manual Version 26 NT 5 6 FILE FILE SAVE AS Saves writes the specified file from the FEMB database The user can save files as several different database types These include as a FEMB database a line data file or as an LS DYNA3D database The procedure to save as each of the types is described on the following pages FEMB User s Manual Version 26 NT 5 7 FILE FILE SAVE AS A FEMB DATABASE FILE Saves the current database as a FEMB database file File Save As FEMB Database 1 SAVE AS gt The SAVE AS window appears and the user must specify where the file will be written file type and the filename 2 If the user selects FEMB DATABASE FMB under FILES OF TYPE FEMB will prompt via Pop Up window gt SAVE AS A FEMB DATABASE Yes Saves the current database as a fmb database No Returns the user to the current d
17. Local Coordinate System 3 Once the desired coordinate system is acquired it will be displayed on the screen and FEMB prompts via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Go to Step 4 NO Return to Step 2 4 After accepting the displayed coordinate system FEMB prompts via Pop Up window gt ENTER DISTANCE OF SECTION PLANE FROM W 0 5 FEMB displays the section plane and then returns to the Post Processing Menu 6 Section Cut works with the Animate and Plot commands FEMB User s Manual Version 26 NT 17 16 POST PROCESSING POST PROCESSING SECTION DEFAULTS Controls the section cut post processing options after a cutting plane is chosen using the Section Cut command Post Section Defaults 1 SECTION DEFAULTS 2 FEMB prompts via Pop Up window gt CHANGE SECTION OPTIONS RESCALE CONTOUR LEVELS e Toggle that turns contour scale on off CHOOSE SIDE POSITIVE SIDE NEGATIVE SIDE PLANE e Determines the display side of the cutting plane SECTION FIXED MOVABLE e Toggle to fix or move a section plane FEMB User s Manual Version 26 NT 17 17 POST PROCESSING POST PROCESSING SET SCALE FACTOR Adjusts the default scale factor of the deformed shape plot so that deformations can be exaggerated or minimized for viewing purposes The default scale is the maximum deflection scaled to 7 5 of the largest dimension of the screen size FEMB will allow the user to adjust
18. NTERFACE MENU INTERFACE MENU MASS amp INIT VEL VEL BY LOAD CURVE DIS BY LOAD CURVE EXIT e Choosing any of the Define Rigidwall Motion Condition options displays a Pop Up window specific to the option Each of these options is described under the CREATE INTERFACE RIGIDWALL INFINITE FLAT SURFACE command 7 FEMB prompts gt SELECT 4 NODES FOR VIEWING RIGIDWALL OUTPUT e FEMB prompts the user to select nodes 0 through 4 in the message window 8 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN NODE NUMBER NODE e Default REJECT LAST 9 Once the four nodes are selected FEMB creates four color filled squares flagging the nodes 10 FEMB prompts via Pop Up window gt ENTER THE NUMBER OF CYCLES TO ZERO VELOCITY FEMB User s Manual Version 26 NT 14 12 INTERFACE MENU INTERFACE MENU CREATE INTERFACE RIGIDWALL S MOVING FLAT SURFACE Creates a moving flat surface section as the rigidwall s I F Create Interface Rigidwall s Moving Flat Surf 1 2 MOVING FLAT SURF FEMB prompts gt DEFINE LOCAL COORDINATE SYSTEM FOR RIGIDWALL gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System e Rigidwalls are defined in the U V pl
19. Note Plate element normals should be consistent prior to the execution of 1 Line Drag FEMB User s Manual Version 26 NT 8 17 ELEMENT ELEMENT DRAG MESH NORMAL DRAG Extrudes plate elements into solid elements in the normal direction of the selected plate elements Extrudes 1D elements into 2D elements beam to plate or 2D elements into 3D elements plate to solid along a selected line Solid elements cannot be created in a part that contains plate elements In order to generate solid elements create a new part and check that it is current Create solid elements within the new part Elem Drag Mesh Normal Drag 1 2 NORMAL DRAG FEMB prompts gt SELECT PLATE ELEMENT S FOR PATTERN gt SELECT ELEMENTS Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST END SELECT e Selecting END SELECT completes this step and starts the next FEMB prompts via Pop Up windows gt ENTER THICKNESS OF NORMAL DRAG e This is the total thickness of the drag operation gt ENTER NUMBER OF LAYERS THROUGH THICKNESS e This is the thickness of each layer of elements gt DO YOU ACCEPT THE GENERATED MESH Y N YES Accepts mesh and places newly created elements in the Current Part NO Function is exited FEMB User s Manual Version 26 NT
20. SELECT ALL DISPLAYED SURFACES REJECT LAST REJECT ALL END SELECT 4 Upon selecting END SELECT the command will be executed FEMB User s Manual Version 26 NT 7 9 SURFACE SURFACE SURFACE OF INTERSECTION Creates a line at the intersection of two selected surfaces Surface Surface Of Intersection 1 SURFACE INTERSECTION 2 FEMB prompts gt SELECT THE FIRST SURFACE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default REJECT LAST END SELECT 4 After selecting the first surface FEMB prompts the user for the second surface gt SELECT THE SECOND SURFACE 5 After selecting the second surface a line is automatically created at the intersection of the two surfaces The newly created line is included in the Current Part FEMB User s Manual Version 26 NT 7 10 SURFACE SURFACE SPLIT SURFACE Splits the selected surface into two surfaces at a specified location Surf Split Surface 1 SPLIT SURFACE 2 FEMB prompts gt SELECT SURFACE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default KEY IN SURFACE NO END SELECT 4 Upon surface selection FEMB prompts gt SELECT SECTION LINE TO SPLIT SURFACE 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT
21. SELECT RIGIDWALL MOTION CONDITION FIXED RIGIDWALL FEMB User s Manual Version 26 NT 14 17 INTERFACE MENU INTERFACE MENU MASS amp INIT VEL VEL BY LOAD CURVE DIS BY LOAD CURVE EXIT e Choosing any of the Define Rigidwall Motion Condition options displays a Pop Up window specific to the option Each of these options is described under the CREATE INTERFACE RIGIDWALL INFINITE FLAT SURFACE command 7 FEMB prompts gt ENTER COEFFICIENT OF FRICTION CURRENT VALUE 0 0000 e Valid entries are 0 no friction 0 lt friction coeff lt 1 1 stick 8 After entering the friction coefficient FEMB prompts via Pop Up window gt ENTER THE RADIUS OF THE SPHERE FEMB User s Manual Version 26 NT 14 18 INTERFACE MENU INTERFACE MENU CREATE INTERFACE RIGIDWALL S MOVING RECTANGULAR PRISM Creates a moving rectangular prism as the rigidwall s I F Create Interface Rigidwall s Moving Rectangular Prism 1 2 MOVING RECTANGULAR PRISM FEMB prompts gt DEFINE LOCAL COORDINATE SYSTEM FOR RIGIDWALL gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System e Rigidwalls are defined in the U V plane The three nodes selected will define the local U V plane Once the user defined coordinate system fo
22. See Step 6 NO RETURNS USER TO STEP 4 FEMB User s Manual Version 26 NT 9 17 NODE NODE 6 FEMB prompts via Pop Up window gt ENTER X Y ZSCALE FACTORS e All real numbers are valid ZEROS or BLANKS will default to 1 EXAMPLES e 1 1 1 will reflect selected nodes across the X Z plane Y direction All Y components will be multiplied by 1 e 2 1 0 5 will magnify all the X components by two times and reflect the nodes across the Y Z plane X direction not affect the Y components and will shrink the Z components to half size and leave them on the original side of the X Y plane FEMB User s Manual Version 26 NT 9 18 NODE NODE COPY NODES Generates a set of duplicate nodes referenced or unreferenced at a user specified distance or rotation from the original nodes Node Copy Nodes 1 COPY NODES 2 FEMB prompts gt SELECT NODES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 4 Once desired nodes have been selected END SELECT will leave the Select Nodes process and proceed to Step 5 5 FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion s
23. Toggles the 2D element type prior to utilizing the 2 3 4 Line Mesh or Surface Mesh Elem Set Element Mesh Type 1 SET ELEMENT MESH TYPE 2 FEMB prompts gt AUTOMESH ELEMENT TYPE QUADRILATERAL ELEMENTS e Default TRIANGULAR ELEMENTS ISO PARAMETRIC ELEMENTS FEMB User s Manual Version 26 NT 8 9 ELEMENT ELEMENT MESH OPTIONS MESH CONTROL The setup window contains toggle switches that allow the user to utilize various pre processing utilities CURRENT SETTINGS x F Use segment ends as control points T Control Point Mesh CANCEL Element Bias NOTE C Comer Bias Valid values for Edge Bias bias options 0 625 1 6 None Element size A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 8 10 ELEMENT ELEMENT MESH OPT MESH CTR USE SEGMENT ENDS AS CONTROL POINTS toggle Toggles the setting to automatically use the end point of line segments as control points This function is used in conjunction with Control Point Mesh FEMB prompts the user to select control points on lines that were joined using the line segment option FEMB User s Manual Version 26 NT 8 11 ELEMENT ELEMENT MESH OPT MESH CTR CONTROL POINT MESH toggle Toggles the setting to pre select points on a line that will be used for the desired node locations when executing the 2 3 4 6 8 9 or 12 Line Mesh commands Mesh Opti
24. the available options 5 Select KEY IN X Y Z if the coordinates of the line are known Once this is done the prompt will ask for the X Y Z coordinate The prompt will keep asking for the coordinates until you select End Select The user may continue generating line data or executing the other CAD functions available in the menu Generating a finite element model from line data is described in Element Options ELEM FEMB User s Manual Version 26 NT 3 2 GETTING STARTED MAIN MENU MAIN MENU This is the first menu the user sees when FEMB starts The 15 initial options will open an additional series of menus The functions in the Main Menu are organized as follows MAIN MENU File Geom Surf Elem Node Check Part Matl Prop L F B C Set Post Graph Help The usage of each function is described in the appropriate sections FILE MANAGER GEOMETRY BUILDER SURFACE MENU ELEMENT OPTIONS NODE OPTIONS MODEL CHECKER PART CONTROL MATERIAL PROPERTY ELEMENT PROPERTY INTERFACE MENU BOUNDARY CONDITIONS LOAD SET POST PROCESSING TIME HISTORY ABOUT WINDOW FEMB User s Manual Version 26 NT 4 1 MAIN MENU FILE FILE The options available in the File menu allow the user to input open data to or output save data from FEMB The user has the ability to input LS DYNA3D IGES DXF LS DYNA3D animation graph data and FEMB line data formats The file menu selection consists o
25. 1 1 stick DIS BY LOAD CURVE 1 FEMB first displays the Mass and Velocity Pop Up menu User can edit this menu or keep the default settings 2 FEMB prompts via Pop Up window gt ENTER INTERFACE FRICTION CURRENT VALUE 0 0000 e Valid entries are 0 no friction 0 lt friction coeff lt 1 1 stick FEMB User s Manual Version 26 NT 14 6 INTERFACE MENU INTERFACE MENU CREATE INTERFACE RIGIDWALL S FINITE FLAT SURFACE Creates a finite flat surface as a rigidwall I F Create Interface Rigidwall s Finite Flat Surface 1 FINITE FLAT SURFACE 2 FEMB prompts gt DEFINE LOCAL COORDINATE SYSTEM FOR RIGIDWALL gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System e Rigidwalls are defined in the U V plane The three nodes selected will define the local U V plane 3 Once a user defined coordinate system for the rigidwall has been accepted the user must select the rigidwall origin FEMB prompts gt PICK THE RIGIDWALL ORIGIN 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT REJECT LAST END SELECT 5 FEMB prompts via Pop Up window gt ENTER LENGTH OF L ALONG U AND M ALONG V e Format is nnnn n
26. 1 CURVE 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options 3 POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 FEMB displays the name of the curve number of points on the curve the X range and the Y range gt NAME curve name of Pt xxxx xxxx lt x lt xxxx xxxx lt y lt xxxx FEMB User s Manual Version 26 NT 18 76 GRAPH GRAPH QUERY POINT Acquires specific information about a selected point on a curve of a graph User selects a point on a curve and FEMB returns the X Y coordinates of the point Graph Query Point 1 POINT 2 FEMB prompts gt PICK A POINT ON THE DISPLAYED CURVES 3 The X Y coordinates of the chosen point are listed in the message window FEMB User s Manual Version 26 NT 18 77 GRAPH GRAPH RANGE Zooms in on a specific section of the current graph Graph Range 1 RANGE 2 FEMB prompts via Pop Up window gt ENTER XMIN XMAX gt ENTER YMIN YMAX 3 After entering the X and Y ranges FEMB updates the display to reflect the zoom To return to the original view just click the range button The first time through initiates the zoom second time the zoom is turned off and FEMB automatically returns to the original view FEMB User s Manual Version 26 NT 18 78 GRAPH GRAPH SET DEFAULTS Allows the user to set specific defaults prior to generating graphs that will be followed throughout
27. 1 IDENTIFY ELEMENT 2 FEMB prompts gt SELECT ELEMENT BY CURSOR e FEMB identifies the element s type number part to which it belongs and respective nodes The selected element will be highlighted and element and node numbers will be displayed on the screen and the dialogue area e Tt will also identify RIGID LINK Degree of freedom for the independent node SPRING ELEMENT Spring rate and direction RIGID BAR ELEMENT Degrees of freedom MASS ELEMENT Mass at node number BEAM ELEMENT Bar ID and vector FEMB User s Manual Version 26 NT 8 53 ELEMENT NODE NODE The functions in this menu are used for node related operations Two types of nodes are defined in FEMB The referenced nodes connected by elements are represented by dots and the unreferenced nodes are represented with asterisks Useful applications include moving nodes node to node or node to point checking for and merging common or coincident nodes transforming and rotating nodes etc The available commands are listed below CH EATIE Create Node Create Nodes Between Point Node EDT Change Node Number Check For Coincident Nodes Check For Duplicate Nodes Common Node On Off Delete Unreferenced Nodes Local Coordinate System Renumber Nodes Scale Nodes COPY ACWE Copy Nodes Move Node To Point Node Project Nodefs gt Transform Nodes DISRLA Find Common Nodes Find Node Identify Nodes Points Part Connection
28. 14 SURFACE SURFACE 6 DEFINE NEW SURFACE BOUNDARY from right mouse button menu e The user must select an outer boundary and an inner boundary to complete the trimming function FEMB prompts gt SELECT SURFACE BOUNDARY AS THE OUTER BOUNDARY FOR THE TRIMMED SURFACE e Select the outer closed surface boundary of the intended trimmed surface cursor select gt SELECT A CLOSED CURVE AS AN INNER BOUNDARY e Select the inner closed surface boundary s of the intended trimmed surface to trim out cursor select Note END SELECT is required to end this operation Note No Inner Boundary is an available option The surface outside of the outer boundary will be trimmed 7 FEMB prompts gt DELETE THE ORIGINAL SURFACE Y N YES Generates a trim surface NO Generates a trim surface and retains the original surface Some helpful definitions Domain The trimmed surface defined as the common region of the interior of the outer boundary and the exterior of each of the inner boundaries and includes the boundary curves Outer Boundary There is exactly one and it lies within the domain the surface to be trimmed In particular it can be the boundary curve of the domain Inner Boundary There can be any number of them including zero The set of inner boundaries satisfies two criteria A The curves as well as their interiors are mutually disjoint B Each curve lies in the interior of the outer boundary FEM
29. 2 FEMB prompts gt PICK NODES POINTS gt PICK NODE FOR ELEMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT NEW ELEMENT REJECT LAST END SELECT e To create the elements the user may select a node point keyboard entry or any combination of the three Pick 4 node points and END SELECT Pick 6 nodes points pick the second set of 3 nodes points in the same direction as the first set of 3 nodes points and select END SELECT Pick 8 nodes points pick the second set of 4 nodes points in the same direction as the first set of 4 nodes points The element will be created FEMB User s Manual Version 26 NT 8 5 ELEMENT ELEMENT CREATE ELEMENTS SPRING DAMPER Creates spring damper elements Elem Create Elements Spring Damper Elements 1 SPRING ELEMENT 2 FEMB prompts for spring parameters via Pop Up window 3 FEMB prompts gt PICK NODES POINTS gt PICK NODE FOR ELEMENT 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT NEW ELEMENT REJECT LAST END SELECT e To create the elements the user may select a node point keyboard entry or any combination of the three e Select 2 nodes points The element will be created FEMB User s Manual Version 26 NT 8 6 ELEMENT ELEMENT CREATE ELEMENTS MAS
30. 8 18 ELEMENT ELEMENT Note Plate element normals should be consistent prior to the execution of Normal Drag FEMB User s Manual Version 26 NT 8 19 ELEMENT ELEMENT DRAG MESH 3 4 LINE DRAG Extrudes beam elements into plate elements or plate elements into solid elements along three or four selected lines Extrudes 1D elements into 2D elements beam to plate or 2D elements into 3D elements plate to solid along a selected line Solid elements cannot be created in a part that contains plate elements In order to generate solid elements create a new part and check that it is current Create solid elements within the new part Elem Drag Mesh 3 4 Line Drag 1 3 4LINE DRAG 2 FEMB prompts gt SELECT ELEMENTS 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST END SELECT e Selecting END SELECT completes this step and starts the next 4 FEMB prompts gt SELECT CONTROL LINES 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details SELECT LINE e Default REJECT LAST END SELECT FEMB User s Manual Version 26 NT 8 20 ELEMENT ELEMENT e The user must select the 4 volume lines in clockwise or counterclockwise order e The user must select END SELECT after selecting the las
31. Any positive real number is a valid entry 3 After entering a tolerance FEMB prompts via Pop Up window gt WHICH COINCIDENT NODES e The user can select ALL DISPLAYED or SELECTED ALL refers to each of the nodes in the database DISPLAYED refers to nodes in parts currently turned on SELECTED refers to nodes that the user chooses The nodes can be chosen with any of the following options NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT e If coincident nodes are found the following message will appear gt XXXX COINCIDENT NODES FOUND gt MERGE COINCIDENT NODES Y N e Coincident nodes become unreferenced nodes and are represented by asterisks e Some or all of the unreferenced nodes may be deleted using the delete unreferenced node option FEMB User s Manual Version 26 NT 9 5 NODE NODE CHECK FOR DUPLICATE NODES Renumbers any duplicate node numbers found in the FEMB database FEMB will not allow the user to create nodes with duplicate numbers However duplicate nodes may exist on imported files The second and subsequent duplicate node numbers will begin renumbering at the maximum node number 1 and will continue to increment Node Check for Duplicate Nodes 1 CHECK FOR DUPLICATE NODES 2 If any duplicate nodes are found the following messages echo to the screen gt CHECKING xxx NODES FOR DUPLICATE NODES gt NODE xxx ALREADY EXISTS RENUMBERED TO yyy gt xxx D
32. CURRENT VALUE 0 0000 e Valid entries are 0 no friction 0 lt friction coeff lt 1 1 stick 8 After entering the friction coefficient FEMB displays the Moving Cylinder specific Interface Properties Pop Up menu FEMB User s Manual Version 26 NT 14 16 INTERFACE MENU INTERFACE MENU CREATE INTERFACE RIGIDWALL S MOVING SPHERE Creates a moving sphere as the rigidwall s I F Create Interface Rigidwall s Moving Sphere 1 2 MOVING SPHERE FEMB prompts gt DEFINE LOCAL COORDINATE SYSTEM FOR RIGIDWALL gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System e Rigidwalls are defined in the U V plane The three nodes selected will define the local U V plane Once the user defined coordinate system for the rigidwall has been accepted the user must select the rigidwall origin FEMB prompts gt PICK THE RIGIDWALL ORIGIN Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT REJECT LAST END SELECT FEMB prompts via Pop Up window gt ENTER LENGTH OF L ALONG U AND M ALONG V e Format is nnnn nnnn E G 1234 2345 FEMB prompts gt CURRENT RIGIDWALL MOTION CONDITION IS FIXED RIGIDWALL gt
33. CYLINDER FEMB prompts gt DEFINE LOCAL COORDINATE SYSTEM FOR RIGIDWALL gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System e Rigidwalls are defined in the U V plane The three nodes selected will define the local U V plane Once the user defined coordinate system for the rigidwall has been accepted the user must select the rigidwall origin FEMB prompts gt PICK THE RIGIDWALL ORIGIN Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT REJECT LAST END SELECT FEMB prompts via Pop Up window gt ENTER LENGTH OF L ALONG U AND M ALONG V e Format is nnnn nnnn E G 1234 2345 FEMB prompts gt CURRENT RIGIDWALL MOTION CONDITION IS FIXED RIGIDWALL gt SELECT RIGIDWALL MOTION CONDITION FIXED RIGIDWALL FEMB User s Manual Version 26 NT 14 15 INTERFACE MENU INTERFACE MENU MASS amp INIT VEL VEL BY LOAD CURVE DIS BY LOAD CURVE EXIT e Choosing any of the Define Rigidwall Motion Condition options displays a Pop Up window specific to the option Each of these options is described under the CREATE INTERFACE RIGIDWALL INFINITE FLAT SURFACE command 7 FEMB prompts gt ENTER COEFFICIENT OF FRICTION
34. DELETE ELEM PROPERTY 2 FEMB prompts the user for the target material name gt SELECT AN ELEMENT TO IDENTIFY THE PROPERTY 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY PROPERTY NAME END SELECT 4 After the part is selected FEMB turns the part gray The following message is issued gt PROPERTY xxx ASSIGNED TO yyy PARTS gt OK TO DELETE PROPERTY xxx YES The property is deleted and the color changes from gray to white White indicates that the part does not have any properties assigned to it NO The property is not deleted The highlighted parts will be shown in the original material color FEMB User s Manual Version 26 NT 13 9 ELEMENT PROPERTY ELEMENT PROPERTY LIST ELEMENT PROPERTIES Lists the element property names via Pop Up window Prop List Element Properties FEMB User s Manual Version 26 NT 13 10 ELEMENT PROPERTY ELEMENT PROPERTY ELEMENT PROPERTIES OFF ON WITH PARTS Turns off on the selected property and the parts to which the property is assigned Prop Element Properties Off On with Parts 1 ELEMENT PROPERTIES OFF ON WITH PARTS 2 FEMB prompts the user to select a property gt SELECT AN ELEMENT TO IDENTIFY THE PROPERTY 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default S
35. ELEMENT e Default SELECT BY INTERFACE NAME SELECT ALL REJECT SELECTION END SELECT 4 Upon choosing END SELECT the selected interfaces will be turned off on FEMB User s Manual Version 26 NT 14 34 INTERFACE MENU INTERFACE MENU DISPLAY INTERFACE NORMALS toggle Illustrates the interface normal directions I F Display Interface Normals 1 DISPLAY INTERFACE NORMALS e Toggles the interface normals on off FEMB User s Manual Version 26 NT 14 35 INTERFACE MENU INTERFACE MENU LIST INTERFACES Lists the interface names in the command area I F List Interfaces 1 LIST INTERFACES 2 FEMB lists current interfaces via Pop Up window FEMB User s Manual Version 26 NT 14 36 INTERFACE MENU INTERFACE MENU DISPLAY INTERFACES Displays in the database all interfaces that are currently turned on places the user in the interface menu and indicates the current interface at the bottom of the display I F Display Interfaces 1 DISPLAY INTERFACES FEMB User s Manual Version 26 NT 14 37 INTERFACE MENU BOUNDARY CONDITIONS BOUNDARY CONDITIONS The functions of the BOUNDARY CONDITIONS MENU create and verify constraints and loads and define initial velocities on finite element models The functions in the BOUNDARY CONDITIONS MENU are organized as follows Loading Options gt Initial Velocity gt SPC Options gt A detailed description of each function is given in t
36. Manual Version 26 NT 18 68 GRAPH GRAPH OPTIONS LABEL CHANGE LABEL TEXT Changes the text of the label on a displayed graph Graph Options Label Change Label Text 1 CHANGE LABEL TEXT 2 The user will be prompted to select the desired label from the message window Upon selection of the label FEMB prompts the user to enter new text via Pop Up window 3 ENTER executes the command FEMB User s Manual Version 26 NT 18 69 GRAPH GRAPH OPTIONS LABEL DELETE LABEL Deletes the label of the displayed graph Graph Options Label Delete Label 1 DELETE LABEL 2 FEMB prompts the user to select a label from the displayed graph 3 END SELECT executes the command FEMB User s Manual Version 26 NT 18 70 GRAPH GRAPH OPTIONS LEGEND LEGEND ON OFF Turns the legend of the graph on off Graph Options Legend Options Legend On Off 1 LEGEND ON OFF 2 The user is prompted to select a graph via Pop Up window The legend of the graph can be toggled on off FEMB User s Manual Version 26 NT 18 71 GRAPH GRAPH OPTIONS LEGEND CHANGE LEGEND LOCATION Changes the location of the legend of a graph Graph Options Legend Options Change Legend Location 1 CHANGE LEGEND LOCATION 2 The user is prompted to select a desired graph via Pop Up window Once the graph has been selected the user will have a choice of location via Pop Up window UPPER LEFT UPPER RIGHT LOWER LEFT LOWER RIG
37. NT 8 33 ELEMENT ELEMENT gt ENTER NO OF DIVISIONS N1 x N2 x N3 e NI is any positive integer for the number of elements along the selected lines e N72 is any positive integer for the number of elements between the 2 lines e N3 is any positive integer for the number of elements between the bottom and top surface 6 Once N1 N2 and N3 have been entered FEMB prompts via Pop Up window gt DO YOU ACCEPT THE GENERATED MESH YES NO YES Accepts mesh and places newly created elements in the Current Part NO FEMB prompts to remesh the region FEMB User s Manual Version 26 NT 8 34 ELEMENT ELEMENT PLATE SOLID MESH 9 LINE SOLID MESH Allows the user to generate 6 or 8 node solid elements automatically in a volume The volume is defined by 9 lines 3 lines for the top surface 3 lines for the bottom surface and 3 lines connecting the top and bottom see 6 Line Solid Mesh Elem Plate Solid Mesh 9 Line Solid Mesh 1 9 LINE SOLID MESH 2 FEMB prompts gt USING THE RIGHT HAND RULE SELECT 3 LINES TO DEFINE THE BOTTOM FACE gt IN THE SAME SEQUENCE AS THE BOTTOM SELECT 3 LINES TO DEFINE THE TOP FACE gt IN THE SAME DIRECTION LE CLOCKWISE COUNTERCLOCKWISE SELECT 3 LINES ON THE SIDES STARTING BETWEEN LINES 1 amp 3 e 9 Line Solid Mesh is similar to 6 Line Solid Mesh with the exception of the 3 connecting lines e User should be consistent in line selection direction clockwise counterclockwise for al
38. Name 1 CHANGE PART NAME 2 FEMB prompts gt SELECT A PART TO RENAME gt PICK AN ELEMENT TO IDENTIFY THE PART 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE REJECT LAST END SELECT 4 Once the desired part has been selected a Pop Up window appears prompting for a new name Once the name is changed it then becomes current If the name already exists FEMB prompts for a new name FEMB User s Manual Version 26 NT 11 7 PART PART DELETE PART S Deletes a part with its associated surfaces lines and elements The nodes of the deleted part will become unreferenced and appear as a white asterisk on the screen These nodes should be deleted If the deleted part was current the user must create or select a new Current Part before continuing with any model generation Part Delete Part s 1 DELETE PART S 2 FEMB prompts gt SELECT ELEMENT TO IDENTIFY THE PART 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE END SELECT 4 Once the target part has been selected FEMB prompts gt XXX LINES XXX SURFACES AND XXX ELEMENTS IN PART YYY e A Pop Up window will then appear prompting if it is okay to delete the part YES Dele
39. Normals option in the Interface or Display Menu to show segment normals FEMB User s Manual Version 26 NT 14 32 INTERFACE MENU INTERFACE MENU COPY INTERFACE PROPERTIES Copies interface properties from one interface to another I F Copy Interface Properties 1 2 COPY INTERFACE PROPERTIES FEMB prompts the user to select the source interface gt SELECT INTERFACE TO BE DUPLICATED gt SELECT SEGMENT Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT INTERFACE BY SEGMENT e Default SELECT INTERFACE BY NAME REJECT LAST END SELECT After selection FEMB prompts gt INTERFACE XXXX IS SELECTED e FEMB prompts user via Pop Up window for the target interface name ENTER NAME OF DUPLICATE INTERFACE If the target interface name does not exist a new interface is created Otherwise FEMB confirms whether or not the user wants to overwrite the properties in the existing interface If confirmed the properties are replaced with the properties from the source interface FEMB User s Manual Version 26 NT 14 33 INTERFACE MENU INTERFACE MENU TURN INTERFACE S OFF ON Turns off on the selected interfaces I F Turn Interface s Off On 1 TURN INTERFACE S OFF ON 2 FEMB prompts gt SELECT INTERFACE BY ELEMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY
40. Pop Up window gt SELECT COORDINATE SYSTEM TYPE RECTANGULAR CYLINDRICAL SPHERICAL 5 Once the desired coordinate system is selected FEMB prompts gt gt DEFINE A LOCAL COORDINATE SYSTEM PICK NODE FOR THE ORIGIN FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System 6 Once the desired coordinate system is acquired it will be displayed on the screen and FEMB will prompt via Pop Up window FEMB User s Manual Version 26 NT 9 13 NODE NODE gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES The local coordinate system is displayed and the command is completed NO FEMB asks the user to define the coordinate system again 7 Choose END SELECT when the desired modifications have been made to the local coordinate systems FEMB User s Manual Version 26 NT 9 14 NODE NODE LOCAL COORDINATE SYSTEM IDENTIFY Identifies local coordinate systems This function will display for the user all the information about any local coordinate system Node Local Coordinate System Identify 1 IDENTIFY 2 FEMB prompts gt SELECT LOCAL COORDINATE SYSTEM e FEMB is asking which of the local coordinate systems the user wishes to identify 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STA
41. REJECT LAST END SELECT 4 Contact Segments are deleted after choosing END SELECT Note If the element to which the contact segment is attached is deleted the segment is deleted automatically Likewise if the element is modified the contact segment is modified automatically FEMB User s Manual Version 26 NT 14 30 INTERFACE MENU INTERFACE MENU DELETE SLAVE NODE S Deletes slave nodes from the database The selected slave nodes need not be in the current interface I F Delete Slave Node s 1 SLAVE NODE S 2 FEMB prompts gt SELECT NODES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 4 The selected slave nodes will be deleted after END SELECT is chosen FEMB User s Manual Version 26 NT 14 31 NTERFACE MENU INTERFACE MENU REVERSE NORMAL Reverses the normal direction of the master slave segments I F Reverse Normal 1 REVERSE NORMAL 2 FEMB prompts gt SELECT CONTACT SEGMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT CONTACT SEGMENT e Default SELECT BY INTERFACE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 4 Once the elements have been selected and the user chooses END SELECT the selected segment normals will be reversed e Use Display
42. Reverse Normals Split Element s gt POOPY OWE Copy Element s Mirror Element s KEI A t j TT tot ov KRK Find Element Identify Element A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 8 1 ELEMENT ELEMENT CREATE ELEMENTS BEAM ELEMENT Creates beam elements The type of beam is controlled by the beam property defined for the beam Elem Create Elements Beam Element 1 BEAM ELEMENT 2 FEMB prompts gt PICK NODES POINTS gt PICK NODE FOR ELEMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT NEW ELEMENT REJECT LAST END SELECT e To create the elements the user may select a node point keyboard entry or any combination of the three 4 Once the desired nodes points have been selected FEMB prompts gt PICK NODE FOR BEAM ORIENTATION 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ORIENTATION VECTOR NODE e Default POINT FEMB User s Manual Version 26 NT 8 2 ELEMENT ELEMENT CREATE ELEMENTS RIGID LINK Creates rigid link elements Elem Create Elements Rigid Link 1 RIGID LINK 2 FEMB prompts via Pop Up window gt SELECT INDEPENDENT D O F degree of freedom X Y Z XY YZ ZX XYZ ALL D O F RIGID BODY 3 FEMB prompts for nod
43. SELECT NODE SET TO DELETE 4 Once ACCEPT is selected FEMB prompts gt O K TO DELETE NODE SET XXX Y N FEMB User s Manual Version 26 NT 16 4 SET MENU SET MENU DELETE ELEMENT SET Removes element sets by element set ID number It is not possible to remove node sets from this sub menu because FEMB is looking specifically for element sets Set Delete Element Set 1 2 DELETE ELEMENT SET FEMB prompts gt DELETE ALL ELEMENT SETS Y N YES e FEMB confirms with O K TO DELETE ALL ELEMENT SETS YES All element sets will be deleted NO No element set will be deleted FEMB returns to main menu NO e FEMB displays element sets available for deletion via Pop Up window FEMB prompts via Pop Up window gt SELECT ELEMENT SET TO DELETE e Once SELECT is accepted FEMB prompts gt O K TO DELETE ELEMENT SETS FEMB User s Manual Version 26 NT 16 5 SET MENU SET MENU SHOW NODE SET This function allows the user to display all or some of the defined node sets The display will print the appropriate node set ID numbers on the screen next to each defined node Set Show Node Set 1 SHOW NODE SET 2 FEMB prompts via Pop Up window gt SHOW ALL NODE SETS Y N YES e All node sets will be displayed NO e A Pop Up window will display a node set list for user selection FEMB User s Manual Version 26 NT 16 6 SET MENU SET MENU SHOW ELEMENT SET This function allows the user to
44. SELECT TARGET PART gt PICK AN ELEMENT TO IDENTIFY THE PART Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE REJECT LAST END SELECT Once the target part is selected FEMB prompts gt PART xxxx IS SELECTED gt LINES WILL BE ADDED TO PART xxxx gt SELECT LINE Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY LINE e Default SELECT BY PART SELECT BY DRAG WINDOW REJECT LAST END SELECT END SELECT places the lines in the target part FEMB User s Manual Version 26 NT 11 11 PART PART MOVE OBJECTS BETWEEN PARTS MOVE SURFACES Moves existing surfaces from one part to another The target part does not have to be current or on Part Move Objects Between Parts Move Surfaces 1 2 MOVE SURFACES FEMB prompts gt SELECT TARGET PART gt PICK AN ELEMENT TO IDENTIFY THE PART Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE REJECT LAST END SELECT Once the target part is selected FEMB prompts gt PART xxxx IS SELECTED gt SURFACES WILL BE ADDED TO PART xxxx gt SELECT SURFACES Press right mouse button for other options MODEL ORIENTATION e See
45. SURFACE 100 000 GRIDS 100 000 ELEMENTS 1 000 PROPERTIES 1 000 PIDS LINE DATA FEMB currently converts and filters the following optional line data to FEMB neutral line format directly IGES line and surface DXF line data file format PDGS standard format POST PROCESSING FEMB currently post processes result data from LS DYNA3D d3plot d3plot1 etc RECOMMENDED PRACTICE fmb his lin bin etc To open read files while in the FEMB program the user should select File Open from the Main Menu bar Specific file types would be listed within the Pop Up menu The following extensions for specific file types is recommended 1 FEMB database file name filename fmb 2 FEMB line data file name filename in 3 IGES line surface data name filename igs 4 DXF line data name filename dxf 5 LS DYNAS3D history result file filename his 6 PDGS line data filename pdgs When reading a line data file into FEMB the user should select File Open from the Main Menu bar By default all existing FEMB database files fmb will be listed Beneath the list of FEMB database files there is a prompt for FILES OF TYPE If the user selects FEMB line FEMB User s Manual Version 26 NT 2 2 GENERAL DISCUSSION GENERAL DISCUSSION data all file names in that directory with the extension lin will be listed The user may then select the appropriate file name The user may choose ALL FILES to display files with different extens
46. TO xxxx Hz lt DEFAULT XXXX gt After entering the desired specifications the curves are displayed Note For more information on the SAE filter please refer to SAE publication J211 from October 1988 FEMB User s Manual Version 26 NT 18 44 GRAPH GRAPH CURVE OPERATIONS SMOOTH CURVES USE LAST FILTER Performs the last smooth curves operation with the same parameters Graph Curve Operations Smooth Curves Use Last Filter 1 USELAST FILTER 2 FEMB prompts gt SELECT CURVES TO BE FILTERED gt SELECT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Chosen graph s are displayed with the last selected filter operation performed FEMB User s Manual Version 26 NT 18 45 GRAPH GRAPH CURVE OPERATIONS CROSS PLOT Plots one curve against another Graph Curve Operations Cross Plot 1 CROSS PLOT 2 FEMB prompts gt SELECT THE HORIZONTAL CURVE 3 Press right mouse button for other options 3 POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon selection of the horizontal curve FEMB prompts gt SELECT THE VERTICAL CURVE 5 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 6 Upon selecting the end select the operation is performed FEMB User s Manual Version 26 NT 18 46 GRAPH GRAPH CURVE OPERATIONS EUCLID N
47. Version 26 NT 7 2 SURFACE SURFACE CREATE SURFACES 3 LINE SURFACE Creates a surface from three selected lines curves The operation is similar to 3 Line Mesh for elements Surf Create Surfaces 3 Line Surface 1 3 LINE SURFACE 2 FEMB prompts gt SELECT 3 LINES TO DEFINE THE SURFACE BOUNDARY 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT LINE e Default LINE SEGMENT REJECT LAST END SELECT 4 Upon selection of the third line the surface will be generated FEMB User s Manual Version 26 NT 7 3 SURFACE SURFACE CREATE SURFACES 4 LINE SURFACE Creates a surface from four selected lines curves The operation is similar to 4 Line Mesh for elements Surf Create Surfaces 4 Line Surface 1 4 LINE SURFACE 2 FEMB prompts gt SELECT 4 LINES TO DEFINE THE SURFACE BOUNDARY 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT LINE e Default LINE SEGMENT REJECT LAST END SELECT 4 Upon selection of the fourth line the surface will be generated Note Select lines in a clockwise or counterclockwise direction FEMB User s Manual Version 26 NT 7 4 SURFACE SURFACE CREATE BOUNDARY LINES Creates a boundary line around a selected surface Surf Create Boundary Lines 1 CREATE BOUNDARY LINES 2 FEMB prompts gt SELECT SURFACE TO CR
48. Z_FORCE 3 The user can select multiple items in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 6 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH NODAL POINT DATA Plots nodal point data from the lt nodout gt file File Open Files Of Type LS DYNA3D Graph NODOUT 1 2 5 NODAL POINT DATA FEMB prompts the user through a series of Pop Up menus for input regarding the selected graph type gt ENTER INPUT FILE NAME lt nodout gt Upon selection of the nodout file FEMB lists and displays all available nodes for selection After selecting the desired nodes FEMB displays the NODAL TIME HISTORY MENU for the available options SELECT ITEMS x SELECT NODAL TIME HISTORY COMPONENTS FOR GRAPH List of Items NOTE To select an ltem select the ltem from the List of Items Selected Items CANCEL window and oress the ADD button CLOSE The user can select multiple items in this menu Once the user accepts closes the data the graph will be displayed FEMB User s Manual Version 26 NT 18 7 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH ELEMENT DATA Plots element data from the lt elout gt file File Open Files Of Type LS DYNA3D Graph ELOUT 1 ELEMENT DATA 2 Upon entry of the elout file FEMB lists the available element data for selection After selection FEMB prompts for AXIAL SHEAR S SHEAR T MOMENT S MOM
49. about the model s X Y and Z axes ROTATE ABOUT SCREEN X Y or Z The displayed model will dynamically rotate about screen X Y or Z when the cursor is moved up or down KEY ROTATE X Y or Z SCREEN The user may rotate the displayed model about screen X Y or Z by using a keyboard entry of three rotational angles in degrees about the screen X Y Z axes FEMB User s Manual Version 26 NT 2 6 GENERAL DISCUSSION GENERAL DISCUSSION ZOOM BY WINDOW The user may select two diagonal points on the screen to define a window which to zoom CURSOR ZOOM The user picks a point to about which to zoom called the center point The model is centered about this point and the user may move the cursor up to zoom in or down to zoom out PAN Translates the model by following the movement of the cursor If the cursor is moved off the screen the cursor reappears at the center of the screen Clicking the left mouse button stops the translation RECALL VIEW The user may place the displayed model in one of the four default views top side rear or isometric or any of six user saved views STORE VIEW The user may save up to six views per database The user will be prompted to enter a view name and the subsequent view s will be stored in the Recall View menu ALIGN LIGHT SOURCE Realigns the light source after the shaded model is rotated CLEAR Removes highlights from the screen such as those used for Show Line Boundary
50. always get adjusted properly 5 FEMB prompts gt SELECT A PART FOR AUTO NORMAL e The selected elements will display their current normal direction FEMB User s Manual Version 26 NT 10 5 CHECK CHECK CHECK ASPECT RATIO Checks the aspect ratio of the displayed plate and solid elements The aspect ratio is the ratio of the longest side to the shortest side of an element The default aspect ratio is 8 1 Check Check Aspect Ratio 1 CHECK ASPECT RATIO 2 FEMB prompts via Pop Up window gt ENTER ASPECT RATIO DEFAULT 8 0 e The default value of 8 0 may be accepted by selecting Accept Any real number may be entered and is valid for the aspect ratio value 3 The aspect ratios are checked and the elements with aspect ratios greater than the desired limit are highlighted The messages echoed to the command line are gt MAXIMUM ASPECT RATIO XXX AT EL XXX gt xxxx ELEMENTS FAILED CHECK or gt ALL ELEMENTS PASS CHECK 4 The following message will be displayed for the failed elements via Pop Up window gt INCLUDE FAILED ELEMENTS IN A NEW PART Y N YES Prompts for a new part name NO Exits command FEMB User s Manual Version 26 NT 10 6 CHECK CHECK CHECK ELEMENT SIZE Checks PLATE SOLID and BEAM elements for minimum edge length All elements smaller than the user defined length criterion will be highlighted Check Check Element Size 1 CHECK ELEMENT SIZE 2 FEMB prompts via Pop
51. database the user will be prompted via Pop Up window with the message NO MATERIALS DEFINED IN DATABASE Selecting OK will return the user to the Main Menu 4 FEMB prompts gt SELECT PARTS TO ASSIGN MATERIAL gt PICK AN ELEMENT TO IDENTIFY PART 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE REJECT LAST END SELECT FEMB User s Manual Version 26 NT 12 4 MATERIAL PROPERTY MATERIAL PROPERTY 6 The material property will be assigned to the elements in the selected parts The selected parts will turn gray once selected and be shown in the material color after exiting FEMB User s Manual Version 26 NT 12 5 MATERIAL PROPERTY MATERIAL PROPERTY EDIT MATERIAL PROPERTIES Edits values of selected material properties Material Edit Material Properties 1 2 EDIT MATERIAL PROPERTIES FEMB prompts the user to select a property gt PICK AN ELEMENT TO IDENTIFY A MATERIAL Press right mouse button for other options MODEL ORIENTATION e See discussion for details SELECT BY ELEMENT e Default SELECT BY MATERIAL NAME REJECT SELECTION END SELECT After selecting the property FEMB prompts gt MATERIAL XXX IS SELECTED e A Pop Up window appears depending on the material type of property selected If the materials are already defined in the database FEMB will
52. display all or some of the defined element sets The display will print the appropriate element set ID numbers on the screen next to each defined element Set Show Element Set 1 SHOW SET 2 FEMB prompts gt SHOW ALL ELEMENT SETS Y S YES e All element sets will be displayed NO e A Pop Up window will display an element set list for user selection FEMB User s Manual Version 26 NT 16 7 SET MENU POST PROCESSING POST PROCESSING The functions in the Post Processing Menu allow the user to graphically display and manipulate solver code result files stress and strain contour plots geometry deformation and stress strain and deformation animation A post processing result file must first be opened through the File Menu to activate the Post Processing Menu The available functions in Post Processing are listed below Note The user will not have access to the POST menu until result data has first been read in from FILE OPEN Se aL epee Animate b Plat b Change Contour Color Reset Contour Color Section Cut Section Defaults Set Scale Factor E Identify Displacements List Contour alue Fost Summary A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 17 1 POST PROCESSING POST PROCESSING DISPLAY SETTINGS After activating the Post Processing menu clicking on the right hand mouse button brings about DISPLAY PROP
53. gt ENTER MINIMUM STOPBAND ATTENUATION 1 0 dB lt DEFAULT 10 0 gt e Stopband attenuation must be greater than 1 0 dB FEMB User s Manual Version 26 NT 18 42 GRAPH GRAPH e It is recommended that the user choose a passband frequency of about 5 to 20 of the passband frequency Too small a number will cause a computational error and too large a number will cause the machine to stall in large numbers of iterations e The stopband frequency and maximum passband ripple should not be too close to either the given low or high end limits e Attenuation factors commonly range between 10 to 50 5 After entering the desired specifications the curves are displayed Note Please refer to Digital Filters Analysis Design and Applications by Andreas Antoniou for more information on Butterworth filtering FEMB User s Manual Version 26 NT 18 43 GRAPH GRAPH CURVE OPERATIONS SMOOTH CURVES SAE FILTER Smoothes curves according to the SAE filter specifications The Society of Automotive Engineers requires these filter requirements for testing purposes Graph Curve Operations Smooth Curves SAE Filter l 2 SAE FILTER FEMB prompts gt SELECT CURVES TO BE FILTERED gt SELECT A CURVE Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT Upon selection of the desired curve FEMB prompts via Pop Up window gt ENTER CUTOFF CHANNEL CLASS 0 0
54. is displayed 3 The column directed format is described below RECI N REC2 NP REC3 2 TITLE 1 REC2 N 2 TITLEN REC3 N X Y1 Y2 Y3 YN REC2 N NP XNP YINP Y2NP Y3NP YNNP Where N NUMBER OF CURVES OR Y COLUMNS NP NUMBER OF POINTS IN CURVES TITLE TITLE WITH A MAXIMUM OF 20 CHARACTERS 4 The user can select multiple items in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 19 GRAPH GRAPH SUPERIMPOSE MODEL Adds the previously displayed model to the currently displayed graph The user will have access to the MODEL ORIENTATION module Graph Superimpose Model 1 ADD MODEL FEMB User s Manual Version 26 NT 18 20 GRAPH GRAPH CLEAR SCREEN Removes specific objects from the display area Graph Clear Screen 1 CLEAR SCREEN 2 FEMB provides the following options to clear CLEAR GRAPH SCREEN e Clears the graph from the screen CLEAR THE MODEL e Clears the model superimposed on the graph from the screen CLEAR ALL FEMB User s Manual Version 26 NT 18 21 GRAPH GRAPH PLOT CURRENT GRAPH Scales current graph to fill the display area To be used after the user has plotted multiple graphs Graph Plot Current Graph 1 PLOT CURRENT GRAPH 2 FEMB displays the current working graph in the display area FEMB User s Manual Version 26 NT 18 22 GRAPH GRAPH PLOT MULTI GRAPHS TOP BOTTOM Places the graph
55. mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS LINE e Default COMBINE SELECTED SEGMENTS REJECT LAST REJECT ALL END SELECT 4 END SELECT combines the selected lines and exits this function FEMB User s Manual Version 26 NT 6 9 GEOMETRY GEOMETRY DELETE LINK S Deletes selected lines Geom Delete Line s 1 DELETE LINE S 2 FEMB prompts gt SELECT LINE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY LINE e Default SELECT BY PART SELECT BY DRAG WINDOW REJECT LAST END SELECT 4 END SELECT deletes the selected lines and exits this function FEMB User s Manual Version 26 NT 6 10 GEOMETRY GEOMETRY EXTEND LINE Extends a line to a specified length along the axis of the line at either end of the line Geom Extend Line 1 EXTEND LINE 2 FEMB prompts gt SELECT A LINE TO EXTEND 3 Once the desired line has been selected FEMB prompts gt SELECT AN END POINT FROM WHICH TO EXTEND THE LINE 4 After selecting the endpoint FEMB prompts via Pop Up window gt ENTER THE LENGTH OF EXTENSION 5 The line will be extended at the endpoint selected to the specified length FEMB User s Manual Version 26 NT 6 11 GEOMETRY GEOMETRY RESPACE POINTS ON A LINE Changes the number of given points on the selected line Geom Respace Points on a Line 1 RESPACE
56. ripple should not be too close to either the given low or high end limits e Attenuation factors commonly range between 10 to 50 5 After entering the desired specifications the curves are displayed Note Please refer to Digital Filters Analysis Design and Applications by Andreas Antoniou for more information on FIR filtering FEMB User s Manual Version 26 NT 18 41 GRAPH GRAPH CURVE OPERATIONS SMOOTH CURVES BUTTERWORTH FILTER Smoothes curves according to the Butterworth filter specifications Graph Curve Operations Smooth Curves Butterworth Filter 1 BUTTERWORTH FILTER 2 FEMB prompts gt SELECT CURVES TO BE FILTERED gt SELECT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 After selecting desired curves FEMB prompts gt ENTER PASSBAND FREQUENCY 0 0 TO xxxx HZ lt DEFAULT XXXX gt e Passband frequency is determined from the number of point on the selected curve divided by the time duration The default value is 10 of the passband frequency gt ENTER STOPBAND FREQUENCY XXXX THE NUMBER JUST ENTERED ABOVE TO XXXX HZ lt DEFAULT xxxx gt e Stopband frequency is formulated Stopband Passbandyser Passband max Passbandyser The default value depends on the Passbandycer gt ENTER MAXIMUM PASSBAND RIPPLE 0 0 TO 1 0 dB lt DEFAULT 0 1 gt e Passband ripple value is between 0 0 and 1 0 dB noninclusive
57. rule Check Auto Orient Solid 1 AUTO ORIENT SOLID e When the user selects AUTO ORIENT SOLID no selection options are given The program adjusts all the displayed solid element s normals to a positive volume default 2 The elements with inconsistent normals are reversed and highlighted The following message is displayed gt ORIENTATION REVERSED FOR xxxx ELEMENTS 3 If no elements are reversed the following message will be displayed gt ALL SOLID ELEMENTS PASS CHECK Note User may reverse the normals of the elements by executing the REVERSE NORMAL in the Element Option Menu FEMB User s Manual Version 26 NT 10 4 CHECK CHECK AUTO PLATE NORMAL Sets the element normal direction of all the plate elements currently displayed consistent to a reference or selected plate element Check Auto Plate Normal 1 AUTO PLATE NORMAL 2 FEMB prompts gt SELECT A PART FOR AUTO NORMAL 3 Press right mouse button for other options MODEL ORIENTATION MODEL STATISTICS e See discussion for details ALL ACTIVE PARTS SELECT PART BY CURSOR e Default 4 FEMB prompts via Pop Up window gt IS NORMAL DIRECTION ACCEPTABLE Y N YES All displayed element normals will be consistent with the displayed element s normal NO All displayed element normals will be in the reverse of the displayed element s normal Note Suggested practice is to select one part at a time Parts that branch off or are separated do not
58. selected element FEMB will display the message gt NO PRESSURE DEFINED AT SELECTED ELEMENT FEMB User s Manual Version 26 NT 15 13 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS SHOW FORCE toggle The SHOW FORCE function is a toggle switch that will display all the forces single arrowhead and moments double arrowhead in the current Load set Boundary Condition Loading Options Show Force gt FORCE WILL BE DISPLAYED default or gt FORCE WILL NOT BE DISPLAYED FEMB User s Manual Version 26 NT 15 14 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS SHOW PRESSURE The SHOW PRESSURE function is a toggle switch that will display all the pressures in the current Load set Boundary Condition Loading Options Show Pressure gt PRESSURE WILL BE DISPLAYED default or gt PRESSURE WILL NOT BE DISPLAYED FEMB User s Manual Version 26 NT 15 15 BOUNDARY CONDITIONS BOUNDARY CONDITIONS INITIAL VELOCITY DEFINE INITIAL VELOCITY Defines initial velocities at individual nodes Boundary Conditions Initial Velocity Define Initial Velocity DEFINE INITIAL VELOCITY FEMB prompts via Pop Up window l 2 gt ENTER INITIAL VEL VX VY VZ RX RY RZ where VX velocity in the x direction where VY velocity in the y direction where VZ velocity in the z direction where RX angular velocity in the x direction where RY angular velocity in the y direction w
59. side opposite L1 where L1 is not greater than 2 L3 or L3 is not greater than 2 L1 e L4 optional is an integer value for the side opposite L2 where L2 is not greater than 2 L4 or L4 is not greater than 2 L2 e 1e 10 10 or 10 10 11 14 ACCEPTABLE e e 5 5 12 6 NOT ACCEPTABLE 5 Once the desired element L1 L2 L3 L4 is entered FEMB prompts via Pop Up window gt DO YOU ACCEPT THE GENERATED MESH YES NO YES Accept mesh and places the elements in the Current Part NO Does not accept mesh and prompts to remesh the region FEMB User s Manual Version 26 NT 8 30 ELEMENT ELEMENT PLATE SOLID MESH 6 LINE SOLID MESH This function is intended for automatic 6 or 8 node solid element generation in a volume The volume is defined by top and bottom surfaces which are enclosed by 3 lines each The lines must previously be defined line direction is not important The lines defining the area do not have to intersect an open area is possible The created elements will be included in the Current Part The Current Part should be verified before proceeding with this function Elem Plate Solid Mesh 6 Line Solid Mesh 1 6 LINE SOLID MESH 2 FEMB prompts gt USE THE RIGHT HAND RULE SELECT 3 LINES TO DEFINE THE BOTTOM 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT LINE e Default LINE SEGMENT REJECT LAST END SELECT e Line Segment allows the user t
60. the FEMB session The user interface consists of three parts the main window the graphics display window and the message display window Pil laces Burd Plim Wabi Chak Parn Meath Prop LF BM Sa Doa Cenph Help Select unctian QE Sen ele fF SSIES Ele cle ele Be e he al ee ie ee Mi aan ye Ding lay READING LOAD CURVE DATA DALANNA 143 Het b FENB 20 20 NT ETA GC 1993 1996 1 197 AI Rights Accercad ue The message display window contains the title bar and the main menu bar The title bar displays the current database file name at the top left corner of the FEMB window The main menu bar located below the title bar contains various selectable options Each selectable option contains relevant operations The graphics display window contains the title bar the tool bar and the graphics display area The current user selected operation is displayed within the title bar while the current geometry model appears in the graphics display area The tool bar gives the user easy access to the most often used tools in FEMB The text window located at the bottom of the window contains all relevant prompts for the selected operation FEMB User s Manual Version 26 NT 2 1 GENERAL DISCUSSION GENERAL DISCUSSION SPECIFICATIONS DATABASE LIMITATIONS Currently FEMB has the following specifications limitations per database 200 000 POINTS 100 000 LINES 2 500 SURFACES 100 000 EDGE POINTS SURFACE 150 000 CONTROL POINTS
61. the FEMB session until the defaults are changed or turned off All of the following default settings have been discussed earlier under the Options commands Therefore only the command titles will be provided below The default list is as follows Graph Set Defaults GRAPH NAME GRAPH NAME ON OFF GRAPH NAME COLOR GRAPH BORDER GRAPH BORDER ON OFF GRAPH BORDER COLOR GRID GRID ON OFF GRID COLOR GRID PATTERN GRID SIZE X Y LABEL LABEL COLOR LABEL SIZE LABEL LABEL COLOR LABEL SIZE LEGEND LEGEND ON OFF CURVE PATTERN ON OFF LEGEND BORDER ON OFF LEGEND BORDER COLOR LEGEND LOCATION CURVE CURVE PATTERN CURVE SIZE Note See Options commands for details on the above functions FEMB User s Manual Version 26 NT 18 79 GRAPH GRAPH SAVE CURVES SELECT SAVE CURVES Saves selected curves from the current graph Graph Save Curves Select Save Curves l 2 SELECT SAVE CURVES FEMB prompts gt SELECT A CURVE Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT Once the user selects the desired curve to save FEMB prompts via Pop Up window gt ENTER FILE NAME e Ifthe filename already exists FEMB asks if you want to overwrite it Note Files are saved in list directed format FEMB User s Manual Version 26 NT 18 80 GRAPH GRAPH SAVE CURVES CURVES IN ONE GRAPH Saves all curves in a selected graph Graph Save Curves Curves In O
62. types FULL TIME 3D MANIPULATION FEMB s full time 3D dynamic rotation permits quick view manipulation of simple or complex geometries POST PROCESSING The ability to interpret analysis results is a key element in any post processing software Once analysis is complete FEMB can quickly post process result data including the real time animation of stresses strain energy displacements and time history curves FEMB User s Manual Version 26 NT 1 2 INTRODUCTION INTRODUCTION ANIMATION Animation adds clarity and realism to the analysis results when post processing FEMB can take the process of displaying stress contour and deformed shape results one step further with real time animation by providing the most accurate representation of the analysis results X Y PLOT The functions in the GRAPH menu allow the user to visualize time history results X Y data from LS DYNA3D analysis FEMB offers a wide range of tools to help the user better understand and convey these results New features include the ability to manipulate the display area s settings labels colors etc and a host of advanced filtering techniques FIR Butterworth scaling smoothing averaging multiple graphs model with or without graphs etc FEMB User s Manual Version 26 NT 1 3 GNTRODUCTION GENERAL DISCUSSION GENERAL DISCUSSION FEMB 26 NT MENU SYSTEM The menu system is an open system Most operations are accessible at any time during
63. 1 with the right hand rule The created elements will be included in the Current Part The Current Part should be verified before proceeding with this function Elem Plate Solid Mesh 2 Line Mesh 1 2 LINE MESH 2 FEMB prompts gt SELECT A LINE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT LINE e Default LINE SEGMENT REJECT LAST END SELECT e Line Segment allows the user to combine a broken line while selecting lines for the 2 Line Mesh function as in the Combine Line function in the Geometry Builder Menu The user must select this option before selecting the desired lines for 2 Line Mesh e The user may check the line s prior to executing this function by using Show Line in Geometry Builder 4 Once the user selects the desired lines FEMB prompts via Pop Up window gt ENTER THE NO OF DIVISIONS ALONG LINE L1 x DIVISIONS BETWEEN L and L2 FEMB User s Manual Version 26 NT 8 25 ELEMENT ELEMENT e LI is any positive integer greater than one and represents the number of elements along the selected lines e L2 is any positive integer and represents the number of elements between the 2 lines 5 Once the desired element L1 L2 is entered FEMB prompts via Pop Up window gt DO YOU ACCEPT THE GENERATED MESH YES NO YES Accepts mesh and places newly created elements in the current part NO Does not accept mesh and prompts the user to r
64. 2 3 4 6 8 9 or 12 Line Mesh commands Mesh Options Mesh Control Corner Bias 1 CORNER BIAS 2 Enter the bias factor 0 625 to 1 60 3 Once a bias factor and a mesh density has been entered FEMB prompts gt CORNER BIAS OPTION IS ON PICK BIASED CORNER FEMB User s Manual Version 26 NT 8 13 ELEMENT ELEMENT MESH OPT MESH CTR ELEMENT BIAS EDGE BIAS toggle Sets an element bias factor 0 625 to 1 6 relative to a selected edge of a line to be modeled This function multiplies each adjacent element created from the selected edge by the bias factor A bias factor greater than 1 0 will generate proportionately larger elements from the selected edge and a bias factor less than 1 0 will generate proportionately smaller elements from the selected edge This function may only be used with the 2 3 4 6 8 9 or 12 Line Mesh commands Mesh Options Mesh Control Edge Bias 1 EDGE BIAS 2 Enter the bias factor 0 625 to 1 60 3 Once a bias factor and mesh density have been entered FEMB prompts gt EDGE BIAS OPTION IS ON PICK BIASED EDGE FEMB User s Manual Version 26 NT 8 14 ELEMENT ELEMENT MESH OPT MESH CTR ELEMENT SIZE Pre sets a maximum element size that will be followed when executing the Line and Surface Mesh options Mesh Options Mesh Control Element Size 1 FEMB displays the Setup Pop Up menu 2 ELEMENT SIZE e Any positive real number may be entered The default is zero e Once the
65. 23 ELEMENT ELEMENT 7 FEMB prompts gt INCLUDE ELEMENTS IN THEIR ORIGINAL PART Y N YES FEMB creates and stores the elements in the PID of the surface from which they were created NO FEMB creates and stores the elements in the Current Part 8 After entering YES or NO FEMB prompts gt ACCEPT MESH Y N YES Accepts mesh and places newly created elements in the Current Part NO FEMB will prompt to remesh the region e FEMB creates a mesh that merges coincident nodes on the boundary lines between surfaces FEMB optimizes most boundary problems FEMB User s Manual Version 26 NT 8 24 ELEMENT ELEMENT PLATE SOLID MESH 2 LINE MESH Generates elements between 2 selected lines A rectangular pattern of L1 L2 L3 by L4 quadrilateral elements will be generated where L1 is the number of elements along the direction of the first selected line and L2 is the number of elements between the two lines For a transition mesh it is possible to enter L3 and L4 parameters for the mesh i e each side has a different number of elements such as 10 5 8 7 The nodes in L2 direction are generated by linear interpretation between the opposing nodes on the two lines A row of L2 quadrilateral elements are generated first from the starting end of line 1 to the starting end of line 2 The pattern will be repeated L1 times along line 1 The node sequence starts at the starting point of line 1 and follows the direction of line
66. B User s Manual Version 26 NT 7 15 SURFACE SURFACE COPY SURFACES Copies selected surface data to a new location Surf Copy Surfaces 1 COPY SURFACES 2 FEMB prompts gt SELECT SURFACES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default SELECT BY RANGE SELECT BY DRAG WINDOW SELECT BY PART SELECT ALL DISPLAYED SURFACES REJECT LAST REJECT ALL END SELECT Note Choose END SELECT to finish surface selection 4 FEMB prompts via Pop Up window gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN FEMB prompts the user to create a local coordinate system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System The user also has the option to select the global coordinate system 5 Once the desired coordinate system has been defined FEMB prompts via Pop Up window gt ENTER NUMBER OF COPIES 6 Once the desired number of copies have been entered FEMB prompts via Pop Up window gt SELECT TRANSFORMATION OPTION FEMB User s Manual Version 26 NT 7 16 SURFACE SURFACE MOVE gt ENTER U V AND W INCREMENTS e ie 0 0 1000 will copy the selected surface s 1000 units along the W axis ROTATE gt ENTER ANGLE INCREMENT e Enter angle increment right hand rule about the W axis 7 FEMB prompts via Pop Up window
67. B by clicking the Pre Post Processing button or pull down the Builder Viewer menu and select the Pre Post Processing menu item CAD LINE DATA When reading a line data file into FEMB by default all existing FEMB database files fmb will be listed Beneath the list of FEMB database files there is a prompt for FILES OF TYPE The user may select FEMB line data All file names in that directory with the extension lin will be listed The user may then select the appropriate file name Once the appropriate file has been selected FEMB will create a database called UNKNOWN fmb containing the selected line data The user may then save the database under a new name Note File types are read in directly without external translation GETTING STARTED WITH MODEL DATA LS DYNA3D etc In the LS DYNA3D program manager start FEMB by clicking the Pre post processing button or pull down the Builder Viewer menu and select the Pre post processing menu item When reading model data into FEMB by default all existing FEMB database files will be listed Beneath the list of FEMB database files there is a prompt for LIST OF FILE TYPE The user may select the desired file type All file names in that directory with the extension dyn will be listed The user may then select the appropriate file name Once the appropriate file has been selected FEMB will create a database called UNKNOWN fmb containing the selected file type data The user may then save the
68. BER DEFAULT 1 BY PARTS gt ASSIGN STARTING EL NUMBER FOR EACH PART Y N YES If yes complete steps 3 and 4 NO Ifno go to Step 5 3 FEMB prompts via Pop Up window gt ENTER STARTING ELEMENT NO FOR PART xxxx 4 Once a number has been entered FEMB prompts gt ELEMENT x TO xx ASSIGNED NEXT ELEM NO yyyy e If blank or zero is entered yyyy will be used as the starting element number for the next part e These prompts will continue for every part in the database 5 FEMB prompts via Pop Up window gt ENTER STARTING ELEMENT NUMBER any positive integer gt ENTER ELEMENT INCREMENT BETWEEN PARTS 1000 e Any positive integer may be entered FEMB User s Manual Version 26 NT 8 42 ELEMENT ELEMENT REVERSE NORMALS Reverses the element orientation normal for all elements except MASS elements Elem Reverse Normals 1 REVERSE NORMALS 2 FEMB prompts gt SELECT ELEMENTS 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST REJECT ALL END SELECT 4 Once the desired elements have been selected END SELECT reverses the element normals and exits the command FEMB User s Manual Version 26 NT 8 43 ELEMENT ELEMENT SPLIT ELEMENT INTO 2 QUADS Divides one 4 node plate element into 2 4 node elements Elem Spl
69. C SET Makes the desired SPC set active so that it can be modified Boundary Condition SPC Options Current SPC Set 1 FEMB prompts gt SELECT CURRENT SPC SET e The selected SPC set becomes current or active for modification FEMB User s Manual Version 26 NT 15 23 BOUNDARY CONDITIONS BOUNDARY CONDITIONS SPC OPTIONS CLEAR SPC Deletes all the constraints in the current SPC set Boundary Condition SPC Options Clear SPC Set 1 CLEAR SPC 2 FEMB prompts gt O K TO CLEAR ALL SPC IN THIS SPC SET Y N e YES will delete the SPC s on all grids in the current SPC set FEMB User s Manual Version 26 NT 15 24 BOUNDARY CONDITIONS BOUNDARY CONDITIONS SPC OPTIONS DELETE SPC SET Deletes all data in the selected SPC set Boundary Condition SPC Options Delete SPC Set 1 DELETE SPC SET 2 FEMB prompts gt SELECT SPC SET e All available SPC sets are displayed for selection 3 FEMB prompts via Pop Up window gt O K TO DELETE SPC SET XXX Y N FEMB User s Manual Version 26 NT 15 25 BOUNDARY CONDITIONS BOUNDARY CONDITIONS SPC OPTIONS DEFINE SPC Defines SPC s in the current SPC set Boundary Condition SPC Options Define SPC 1 FEMB prompts gt SELECT SPC CODE e See SPC OPTIONS CREATE NEW SPC SET for details FEMB User s Manual Version 26 NT 15 26 BOUNDARY CONDITIONS BOUNDARY CONDITIONS SPC OPTIONS RELEASE SPC Removes constraints deletes SPC s in the cu
70. CT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon choosing END SELECT the desired curve operation is performed 5 The title of the resultant curve will be displayed in the legend box FEMB User s Manual Version 26 NT 18 35 GRAPH GRAPH CURVE OPERATIONS TRANSLATE Moves curves right left positive and negative X and up down positive and negative Y based upon user input Graph Curve Operations Translate 1 2 TRANSLATE FEMB prompts gt SELECT A CURVE Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT Upon curve selection FEMB prompts via Pop Up window gt ENTER X TRANSLATION OR RETURN NOT TO TRANSLATE X gt ENTER Y TRANSLATION OR RETURN NOT TO TRANSLATE Y The curves are translated upon entry of the desired values FEMB User s Manual Version 26 NT 18 36 GRAPH GRAPH CURVE OPERATIONS SWITCH CURVE AXES Swaps the X and Y axes of the selected curve Graph Curve Operations Switch Curve Axes 1 SWITCH CURVE AXES 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options 3 POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon choosing END SELECT the desired curve operation is performed FEMB User s Manual Version 26 NT 18 37 GRAPH GRAPH CURVE OPERATIONS SCALE CURVES Scales
71. DITIONS LOADING OPTIONS REMOVE FORCE Removes nodal forces and moments from selected grids nodes in the current Load set Boundary Condition Loading Options Remove Force 1 REMOVE FORCE 2 FEMB prompts gt REMOVE NODAL FORCE gt SELECT NODES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 4 Choose END SELECT when done selecting nodes e If anode is selected twice the following message appears gt NODE xxxx ALREADY PICKED FEMB User s Manual Version 26 NT 15 10 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS REMOVE PRESSURE Removes pressure loads from selected elements in the current Load set Boundary Condition Loading Options Remove Pressure REMOVE PRESSURE FEMB prompts gt REMOVE PRESSURE LOAD gt SELECT ELEMENTS Press right mouse button for other options MODEL ORIENTATION 1 2 e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE REJECT LAST REJECT ALL END SELECT END SELECT deletes the chosen elements and exits the command When a pressure load is removed the element is highlighted and the arrow is removed If an element is selected more than once the following message appears ELEMENT xxxx ALREADY PICKED FEMB User s
72. DITIONS BOUNDARY CONDITIONS 7 FEMB prompts gt SELECT ELEMENTS 8 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST REJECT ALL END SELECT 9 END SELECT applies the pressure to the chosen elements and exits the command FEMB User s Manual Version 26 NT 15 3 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS CURRENT LOAD SET Activates a selected load set The load set may be used in the subcase definition Boundary Condition Loading Options Current Load Set 1 FEMB prompts gt SELECT CURRENT LOAD SET e The selected load set becomes current or active for modification FEMB User s Manual Version 26 NT 15 4 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS CLEAR FORCE Deletes all the nodal forces in the current Load set Boundary Condition Loading Options Clear Force 1 CLEAR FORCE e Load set must be current 2 FEMB prompts gt O K TO REMOVE ALL FORCES Y N e YES will delete the FORCES on all grids in the current Load set FEMB User s Manual Version 26 NT 15 5 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS CLEAR PRESSURE Deletes all the pressure loads in the current Load set Boundary Condition Loading Options Clear Pressure 1 CLEAR PRESSURE e Load set mus
73. Distance Between Point Node A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 9 1 NODE NODE CREATE NODE Generates unreferenced nodes at global locations or at any selected point on a line Node Create Node 1 CREATE NODE 2 FEMB prompts gt SELECT POINT FOR NODE LOCATION 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ POINT e Default REJECT LAST END SELECT FEMB User s Manual Version 26 NT 9 2 NODE NODE CREATE NODES BETWEEN POINT NODE Generates nodes equally spaced between two existing nodes or points When the nodes are displayed on the screen they are unreferenced free nodes and are designated with an asterisk Node Create Nodes Between Point Node 1 CREATE NODES BETWEEN POINT NODE 2 FEMB prompts gt SELECT POINT 1 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE POINT e Default REJECT LAST END SELECT 4 FEMB prompts gt SELECT POINT 2 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE POINT e Default REJECT LAST END SELECT 6 FEMB prompts gt ENTER NUMBER OF NODES TO CREATE e Any integer one or greater is valid FEMB User s Manual Version 26 NT 9 3 NODE NODE
74. EATE BOUNDARY LINES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default KEY IN SURFACE NO END SELECT 4 Upon surface selection the boundary line will be automatically generated FEMB User s Manual Version 26 NT 7 5 SURFACE SURFACE CREATE SECTION LINES Creates section lines on the selected surface Surf Create Section Lines 1 CREATE SECTION LINES 2 FEMB prompts gt SELECT SURFACE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE Default KEY IN SURFACE NO END SELECT 4 FEMB labels the edge numbers on the surface and prompts the user for the number of section lines along edges and 2 via Pop Up window FEMB User s Manual Version 26 NT 7 6 SURFACE SURFACE CREATE SURFACE OF REVOLUTION Creates a surface by rotating a selected line the generatrix 360 about a vector the axis of revolution Surface Surface of Revolution 1 2 6 CREATE SURFACE OF REVOLUTION FEMB prompts gt SELECT THE AXIS OF REVOLUTION gt SELECT A LINE FOR THE AXIS OF REVOLUTION Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS LINE WITH TWO POINTS e Default TWO POINTS UNDO REJECT LAST POINT END SELECT Upon selection of the line for the axis of revolution F
75. ELECT e After the desired lines have been selected END SELECT will proceed to Step 4 4 FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB is asking for a desired coordinate system local or global FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System 5 Once the desired coordinate system is selected it will be displayed on the screen and FEMB will prompt via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Go to Step 6 NO Returns to Step 4 FEMB User s Manual Version 26 NT 6 14 GEOMETRY GEOMETRY 6 FEMB prompts via Pop Up window gt ENTER U V and W SCALE FACTORS e User may now select desired scale factor i e 1 1 1 will result in lines being reflected in the negative Y direction across the UV plane i e 0 5 0 5 0 5 will result in the lines being shrunk by a factor of 0 5 FEMB User s Manual Version 26 NT 6 15 GEOMETRY GEOMETRY SECTION THRU LINE S Computes and displays the intersection of a set of lines across a user defined U V plane The created section line will be included in the Current Part Geom Section Thru Line s 1 SECTION THRU LINE S 2 FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB is asking for a desired coordinate syst
76. ELECT BY PROPERTY NAME REJECT LAST END SELECT 4 Ifthe property is selected by an element the parts associated with the property will be turned off If the Property Name option is selected the name may be moved in or out of the displayed list to control the on off of the associated parts FEMB User s Manual Version 26 NT 13 11 ELEMENT PROPERTY ELEMENT PROPERTY DISPLAY ELEMENT PROPERTIES Displays the parts according to their element properties and element property colors Parts without element properties assigned to them will be displayed in white Prop Display Element Properties 1 DISPLAY ELEMENT PROPERTIES FEMB User s Manual Version 26 NT 13 12 ELEMENT PROPERTY INTERFACE MENU INTERFACE MENU The functions in the Interface Menu define and modify contact interface data sliding and rigidwall for LS DYNA3D analysis The functions are organized as below Once the Interface Menu is selected the active on interfaces are displayed with the active parts The master segments are drawn as interior outlines of the elements where the segments are defined The letter M is labeled in color filled squares The slave segments are drawn similarly to the master segments except that they are labeled with a S The segments slave nodes and rigidwalls are plotted in the interface color FAAS 1A TORR CREA I Create Interface Create Contact Segment Assign Slave Nodes Jo E Edit Modify
77. EMB displays a vector representing the axis of revolution FEMB then prompts gt SELECT A LINE AS THE GENERATRIX OF REVOLUTION Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS LINE e Default LINE SEGMENT REJECT END SELECT The line selected will generate a surface 360 about the axis of revolution FEMB User s Manual Version 26 NT 7 7 SURFACE SURFACE DELETE SURFACKE S Deletes the selected surfaces from the database Surf Delete Surface s 1 DELETE SURFACE S 2 FEMB prompts gt SELECT SURFACES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default SELECT BY RANGE SELECT BY DRAG WINDOW SELECT BY PART SELECT ALL DISPLAYED SURFACES REJECT LAST REJECT ALL END SELECT 4 Upon selecting END SELECT the selected surfaces will be deleted FEMB User s Manual Version 26 NT 7 8 SURFACE SURFACE REVERSE SURFACE NORMAL Reverses the normal direction of the selected surface The surface normal controls the normal direction of the plate elements when meshing Surf Reverse Surface Normal 1 REVERSE SURFACE NORMAL 2 FEMB prompts gt SELECT SURFACES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default SELECT BY RANGE SELECT BY DRAG WINDOW SELECT BY PART
78. END SELECT deletes the chosen elements and exits the command FEMB User s Manual Version 26 NT 8 39 ELEMENT ELEMENT MODIFY ELEMENT Deletes and recreates any displayed elements The displayed elements to be modified need not be in the Current Part FEMB will automatically identify the element type of the selected element and prompt the user to recreate it gt PICK ELEMENT TO MODIFY gt SELECT NODE Details are covered in Create Elements discussed earlier in this section Note In the case of one dimensional elements beams FEMB displays the selected beam s property ID and allows the user to modify the beam s property ID in addition to the beam s connectivity FEMB User s Manual Version 26 NT 8 40 ELEMENT ELEMENT RENUMBER ELEMENTS SEQUENTIALLY Renumbers all elements in a sequential manner in the existing database with the option of creating a summary table report of the element ranges between each part Elem Renumber Elements Sequentially 1 SEQUENTIALLY 2 FEMB prompts via Pop Up window gt ENTER STARTING ELEMENT NUMBER DEFAULT 1 FEMB User s Manual Version 26 NT 8 41 ELEMENT ELEMENT RENUMBER ELEMENTS BY PARTS Renumbers all elements in the existing database with the option of creating a summary table report of the element ranges between each part Elem Renumber Elements By Parts 1 BY PARTS 2 FEMB prompts via Pop Up window gt ENTER STARTING ELEMENT NUM
79. ENT T TORSION 3 The user can select multiple items in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 8 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH GLOBAL DATA Plots the global data from the lt glstat gt file File Open Files Of Type LS DYNA3D Graph GLSTAT 1 GLOBAL DATA 2 Upon entry of the glstat file FEMB prompts the user via Pop Up window to select any of the following TIME STEP KINETIC ENERGY INTERNAL ENERGY SPRING amp DAMPER ENERGY HOURGLASS ENERGY SYSTEM DAMPING ENERGY SLIDING INTERFACE ENERGY EXTERNAL WORK TOTAL ENERGY TOTAL ENERGY INITIAL ENERGY GLOBAL X VELOCITY GLOBAL Y VELOCITY GLOBAL Z VELOCITY 3 The user can select multiple items types in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 9 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH DISCRETE ELEMENTS Plots discrete element data from the lt deforc gt file File Open Files Of Type LS DYNA3D Graph DEFORC 1 DISCRETE ELEMENTS 2 Upon entry of the deforc file FEMB lists the available spring damper numbers for selection After selection FEMB prompts for X_FORCE Y_FORCE Z_FORCE RESULTANT FORCE 3 The user can select multiple items in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 10 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH
80. ENTER NAME OF DUPLICATE MATERIAL If target material name does not exist a new material is created Otherwise FEMB confirms if the user wants to overwrite the materials in the target material If confirmed the materials are replaced with the materials from the source material FEMB User s Manual Version 26 NT 12 11 MATERIAL PROPERTY MATERIAL PROPERTY LIST MATERIALS Lists the material property names and displays their status in a Pop Up window Material List Materials FEMB User s Manual Version 26 NT 12 12 MATERIAL PROPERTY MATERIAL PROPERTY PART ON OFF BY MATERIAL Turns on off parts by selecting associated materials Material Part On Off By Material 1 PART ON OFF BY MATERIAL 2 FEMB prompts the user to select a material gt SELECT AN ELEMENT TO IDENTIFY THE MATERIAL 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY MATERIAL NAME REJECT LAST END SELECT 4 If the material is selected by an element the parts associated with the material will be turned off If the Material Name option is selected the material name may be moved in or out of the displayed list to control the on off of the associated parts FEMB User s Manual Version 26 NT 12 13 MATERIAL PROPERTY MATERIAL PROPERTY DISPLAY MATERIALS Displays the parts according to their materials and material colors Parts wit
81. ERTIES as an option This option changes the display settings with regards to the POST functions DISPLAY PROPERTIES can also be accessed by selecting the DISPLAY PROPERTIES icon from the tool bar The options available on DISPLAY PROPERTIES are pertinent to the POST function only while in the post processor but are more general once the post processor has been exited The options available in DISPLAY PROPERTIES will be detailed below CONTOUR MODE Select either Stress Strain Energy or Displacement contour modes for displaying the analysis results However changes in the Contour Mode will not take effect until the next contour fill lines plot operation is carried out CONTOUR RANGE Specifies contour value range on the contour plot If USER SELECT RANGE is entered then a minimum and a maximum contour value can be inputted However if USER SELECT RANGE is toggled off the set range will be ignored and an absolute maximum and minimum contour value is used as a default value SET NUMBER OF LEVELS Sets the number of contour levels used in subsequent contour plots The program defaults to 10 contour levels The maximum number of levels is 14 and the minimum is 2 FLAGS DEFORMED SHAPE Plots contours of the deformed shape of the model FLAGS UNDEFORMED SHAPE Plots contours of the undeformed shape of the model FLAGS SHADING Shades a plot or animation plots FEMB User s Manual Version 26 NT 17 2 POST PROCESSING POST PROCESS
82. FEMB User s Manual Version 26 NT 6 1 GEOMETRY GEOMETRY GENERATE ARC TANGENT TO 2 LINES Creates an arc tangent to 2 lines The created arc will be included in the Current Part FEMB prompts the user to select three points or nodes to define the two lines and intersection point Geom Generate Arc Tangent to 2 Lines 1 TANGENT TO 2 LINES 2 FEMB prompts gt SELECT LINE 1 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE POINT LINE e Default REJECT LAST END SELECT 4 After the first line has been selected FEMB prompts gt SELECT THE INTERSECTING LINE 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS LINE e Default REJECT LAST END SELECT 6 FEMB prompts via Pop Up window gt ENTER THE ARC RADIUS e Any real value greater than zero is valid FEMB User s Manual Version 26 NT 6 2 GEOMETRY GEOMETRY GENERATE ARC THROUGH 3 POINTS Creates an arc through 3 points nodes These 3 points cannot be co linear The created arc will be included in the Current Part Geom Generate Arc Through 3 Points 1 THROUGH 3 POINTS 2 FEMB prompts gt SELECT 3 POINTS gt SELECT A POINT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details NODE POINT e Default REJECT LAST END SELECT 4 After 3 points have been selected t
83. Geometry B ldet ss Tarei etan estab a E a E ES eE EREE 6 1 SUPPACE Hiscseesis Us Ris Shekad veh a TIER sade wag bees Ses cad SANS bes eco dass a ee Mas ein seek 7 1 A L A A E A EE EE E E A Gael Oa E AENA 8 1 KOTA le EEA EEEE IE BET RAR E E E I EE TEA E EE ET TE cane E 9 1 Check oyato a os Race E OT ag Se ae TOR le BE OTS A 10 1 Patt sass A E PEE AA AE Saha aac CRS AT Gh SSUES PONS AA ERATOR atv eho 11 1 Material Property censes tinas a e fens sanvevadse AA E SE AE E e 12 1 Element Property ne e iiri a fede e a a dade ag ie 13 1 Interface Ment soeren a E DE 14 1 Boundary Conditions saen a aa a teach E SE SAA 15 1 SEU Me r a a a a a a a aaa rtea a a riie 16 1 POSt PLOCES SIMD serunai nrin a a E E EE E A AE EER iat 17 1 0 10 0 A E E E A E E E ee S E TE 18 1 Display Properties sen ocala Hues case R R R O N Aa N R oodeaes 19 1 FEMB User s Manual Version 26 NT iv TABLE OF CONTENTS INTRODUCTION FEMB Finite Element Model Builder Version 26 NT FEMB is a finite element pre and post processor for use with LS DYNA3D and CAD software Developed in the mid 1980 s by Engineering Technology Associates Inc FEMB has been specifically designed to reduce cost by increasing the engineer s productivity The intuitive menu structure makes learning FEMB easy Most engineers can be productive within the first 2 to 4 hours of training FEMB s robust CAD interface allows the input of CAD data from virtually any design software package Once t
84. Graphs 1 UNLOAD PREVIOUSLY LOADED GRAPHS 2 FEMB prompts via Pop Up window gt CLEAN UP MEMORY amp SCREEN YES NO YES Clears the screen and the session memory NO Exits function FEMB User s Manual Version 26 NT 18 2 GRAPH GRAPH FILE OPEN Allows the user to read input into a FEMB database When opening reading data into an existing FEMB database the user will be prompted to append the database To open or input graph data select FILE OPEN Files Of Type and select either LS DYNA3D ASCID Graph or FEMB Graph The procedures of how to open and manipulate these graphs are discussed in the following sections File Open 1 Select FILE OPEN FILES OF TYPE LS DYNA3D GRAPH in the current or a new database Select desired graph data file 3 FEMB may prompt the user to select desired data to graph via Pop Up window After selecting CLOSE FEMB displays the curves e The user can select multiple items Note The user will not have access to the GRAPH menu until graph data has been read in from FILE OPEN Note FEMB currently supports 13 of the 20 LS DYNA3D graph output types These are SECFORC RWFORC NODOUT ELOUT GLSTAT DEFORC MATSUM RCFORC ABSTAT NODFOR RBDOUT SLEOUT JNTFORC Cross section forces Wall forces Nodal point data Element data Global data Discrete elements Material energies Resultant interface forces Airbag statistics Nodal force groups Rigid body data S
85. H CHANGE NAME COLOR Changes the color of the selected graph s name Graph Options Graph Change Name Color 1 CHANGE NAME COLOR 2 The user will be prompted to select the desired graph via Pop Up window Upon selection of the desired graph FEMB displays the color bar window prompting the user to select a new color Upon accepting the new color the command is executed FEMB User s Manual Version 26 NT 18 59 GRAPH GRAPH OPTIONS GRAPH NAME ON OFF Turns on off the name of a selected graph Graph Options Graph Name On Off 1 NAME ON OFF 2 The user will be prompted to select a desired graph via Pop Up window Once the graph has been selected the name will be turned either on or off FEMB User s Manual Version 26 NT 18 60 GRAPH GRAPH OPTIONS GRID CHANGE GRID COLOR Changes the selected graph s grid color Graph Options Grid Change Grid Color 1 CHANGE GRID COLOR 2 The user will be prompted to select the desired graph via Pop Up window Upon selection of the desired graph FEMB displays the color bar window prompting the user to select a new color Upon accepting the new color the command is executed FEMB User s Manual Version 26 NT 18 61 GRAPH GRAPH OPTIONS GRID GRID ON OFF Turns on off the graph s grid Graph Options Grid Grid On Off 1 GRID ON OFF 2 The user will be prompted to select a desired graph via Pop Up window Once the graph has been sele
86. HT 3 Upon selection the legend is moved to the appropriate location FEMB User s Manual Version 26 NT 18 72 GRAPH GRAPH OPTIONS LEGEND LEGEND PATTERN ON OFF Turns on off the legend s pattern Graph Options Legend Options Legend Pattern On Off 1 LEGEND PATTERN ON OFF 2 The user will be prompted to select a desired graph via Pop Up window Once the graph has been selected the patterns displayed in the legend box will be turned on off FEMB User s Manual Version 26 NT 18 73 GRAPH GRAPH OPTIONS LEGEND LEGEND BORDER ON OFF Turns on off the legend s border Graph Options Legend Options Legend Border On Off 1 LEGEND BORDER ON OFF 2 The user will be prompted to select a desired graph via Pop Up window Once the graph has been selected the border of the displayed legend box will be turned on off FEMB User s Manual Version 26 NT 18 74 GRAPH GRAPH QUERY GRAPH Displays specific information about a selected graph The graph does not need to be displayed Graph Query Graph 1 GRAPH 2 A list of all available graphs is displayed FEMB prompts for a selection via Pop Up window 3 FEMB displays the name of and the number of curves in the selected graph gt NAME GRAPH NAME OF CURVES XXXX FEMB User s Manual Version 26 NT 18 75 GRAPH GRAPH QUERY CURVE Acquires specific information about a selected curve of a graph Graph Query Curve Query
87. IGN SLAVE NODES 2 FEMB prompts gt SELECT SLAVE NODES FOR INTERFACE CURRENT INTERFACE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 4 END SELECT creates the slave nodes on the selected nodes Slave nodes are displayed as color filled squares on the selected nodes Note The slave nodes are only used in rigidwall interfaces and sliding interface type 5 6 7 and 8 If the user attempts to define slave nodes in other interface types FEMB will issue the warning SLAVE NODES ARE USED ONLY IN LF TYPES 5 6 7 and 8 and ignores the command FEMB User s Manual Version 26 NT 14 23 INTERFACE MENU INTERFACE MENU EDIT MODIFY INTERFACE PROPERTIES Define and modify interface properties F Edit Modify Interface Properties 1 EDIT MODIFY INTERFACE PROPERTIES 2 FEMB prompts the user to select an interface gt MODIFY INTERFACE PROPERTIES gt SELECT SEGMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT INTERFACE BY SEGMENT e Default SELECT INTERFACE BY NAME REJECT LAST END SELECT 4 FEMB recognizes the selected interface type and prompts the user to redefine the selected interface FEMB lists valid interface properties and prompts the user to select and modify from this lis
88. ING FLAGS PLOT TITLE This option allows the user to toggle the title on or off The title of the result file is displayed in the top left corner of the screen after the result file has been read in Plot title is a default setting FEMB User s Manual Version 26 NT 17 3 POST PROCESSING POST PROCESSING ANIMATE CONTOUR Animates results from transient analysis in real time once the result file is read in The color legend located in the upper right hand corner of the screen displays the corresponding stress values The location of the highest stress in the model is labeled with an asterisk and the lowest value is labeled with a zero 0 Post Animate Contour 1 CONTOUR 2 FEMB prompts via Pop Up window gt SELECT STEPS TO ANIMATE 1 T7 OM a ALL AVAILABLE STEPS ODD STEPS EVEN STEPS STEPS BEFORE STEPS AFTER STEPS IN BETWEEN SELECTED STEPS For options 1 2 and 3 listed above skip to Step 4 otherwise continue to the next step 3 FEMB prompts via Pop Up window gt SELECT STEPS 4 After the desired steps are selected a Component window appears and the user must select the desired STRESS STRAIN DISPLACEMENT component depending on the current Contour Option setting of the Display Properties Pop Up window For STRESS contours select from the following components STRESS SIGXX MID SIGYY MID SIGZZ MID etc For DISPLACEMENT contours select from the following compone
89. ISTICS KEY IN XYZ NODE e Default POINT REJECT LAST END SELECT If multiple or coincident nodes are found near the cursor FEMB prompts via Pop Up window gt MULTIPLE NODES FOUND gt SELECT ELEMENT FOR NODE Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS FEMB User s Manual Version 26 NT 9 21 NODE NODE SELECT ELEMENT e Default FREE NODE END SELECT e If an element center is selected by cursor and it does not connect to the target node the following message will echo to the command line area of the FEMB screen gt SELECTED ELEMENT IS NOT CONNECTED TO DUPL NODE gt SELECT ELEMENT FOR NODE e The user is now returned to Step 2 FEMB User s Manual Version 26 NT 9 22 NODE NODE PROJECT NODE S ONTO ELEMENT MESH Projects a node or group of nodes onto any element mesh Nodes may be referenced or unreferenced Node Project Node s Onto Element Mesh 1 2 ONTO ELEMENT MESH FEMB prompts gt SELECT ELEMENTS Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST REJECT ALL END SELECT Once the elements are selected FEMB prompts gt DEFINE PROJECTION VECTOR gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create
90. Interface Properties Current Interface Change Interface Color Change Interface ID Change Interface Name Delete Reverse Normal cacad is 0 PE cas ry Copy Interface Properties FRAT TS h SAAREN WI SPLA Turn Interface s OFF ON Display Interface Normals List Interfaces Display Interfaces A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 14 1 GNTERFACE MENU INTERFACE MENU CREATE INTERFACE Creates a new sliding or rigidwall interface and related properties I F Create Interface 1 CREATE INTERFACE 2 Select the type of interface to be created SLIDING RIGIDWALL 3 FEMB prompts via Pop Up window gt ENTER NAME OF NEW INTERFACE 4 Enter the interface name If the user enters an existing interface name FEMB rejects the entry The display area will again prompt the user to enter an interface name e FEMB displays a list of options depending upon the selected interface type These options are covered in the following pages Note The Create Interface menu contains several sub menus To help guide the user through these the procedure has been broken into sections Each section represents one of the sub menus the user will encounter when defining different interface types FEMB User s Manual Version 26 NT 14 2 INTERFACE MENU INTERFACE MENU CREATE INTERFACE SLIDING INTERFACE Creates a sliding interface within t
91. LAST END SELECT 4 After the part is selected FEMB turns the part gray The following message is issued followed via Pop Up window gt MATERIAL xxx ASSIGNED TO yyy PARTS gt OK TO DELETE MATERIAL YES The material is deleted and the color changes from gray to white White indicates that the part does not have any materials assigned to it NO The material is not deleted The highlighted parts will be shown in the original material color FEMB User s Manual Version 26 NT 12 8 MATERIAL PROPERTY MATERIAL PROPERTY CHANGE MATERIAL IDS Renumbers material IDs for selected or all materials Material Change Material IDs CHANGE MATERIAL IDS FEMB prompts 1 2 gt RENUMBER ALL MATERIALS YES FEMB prompts for the new material ID for each material NO FEMB prompts to renumber selected materials CANCEL Ends function If the user chooses to renumber selected materials FEMB prompts the user to select a material gt PICK AN ELEMENT TO IDENTIFY A MATERIAL Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY MATERIAL NAME REJECT SELECTION END SELECT 5 Once a material is selected FEMB prompts gt gt MATERIAL XXXX IS SELECTED ENTER MID xx FOR MAT X Pop Up FEMB User s Manual Version 26 NT 12 9 MATERIAL PROPERTY MATERIAL PROPERTY CHANGE MATERIAL NAME
92. LECT SPC CODE ALL D O F will be constrained XY SYMMETRY e Assigns symmetric boundary condition about the XY plane YZ SYMMETRY e Assigns symmetric boundary condition about the YZ plane XZ SYMMETRY e Assigns symmetric boundary condition about the XZ plane XY ASYMMETRY e Assigns asymmetric boundary condition about XY plane YZ ASYMMETRY e Assigns asymmetric boundary condition about YZ plane XZ ASYMMETRY e Assigns asymmetric boundary condition about XZ plane X e Constrains translation in the X direction Y e Constrains translation in the Y direction Z e Constrains translation in the Z direction RX e Constrains rotation about the X axis RY e Constrains rotation about the Y axis RZ e Constrains rotation about the Z axis FEMB User s Manual Version 26 NT 15 21 BOUNDARY CONDITIONS BOUNDARY CONDITIONS e After the SPC code is defined the program will display the constrained D O F to confirm the entry 2 FEMB prompts the user to select constrained nodes gt D O F xxxx IS FIXED gt SELECT NODES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 4 Choose END SELECT when done selecting nodes 5 Choose CANCEL SELECT when done creating the set FEMB User s Manual Version 26 NT 15 22 BOUNDARY CONDITIONS BOUNDARY CONDITIONS SPC OPTIONS CURRENT SP
93. MATERIAL ENERGIES Plots the material energy data from the lt matsum gt file File Open Files Of Type LS DYNA3D Graph MATSUM 1 MATERIAL ENERGIES 2 Upon entry of the matsum file FEMB lists the available materials for selection 3 FEMB now prompts the user to select the MATERIAL TIME HISTORY components for the graph KINETIC ENERGY INTERNAL ENERGY X MOMENT Y MOMENT Z MOMENT X RIGID BODY VEL Y RIGID BODY VEL Z RIGID BODY VEL HOURGLASS ENERGY 4 The user can select multiple item types in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 11 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH RESULTANT INTERFACE FORCES Plots resultant interface data from the lt rcforc gt file File Open Files Of Type LS DYNA3D Graph RCFORC 1 RESULTANT INTERFACE FORCES 2 Upon entry of the rcforc file FEMB lists the available slave and master interface numbers for selection After selection FEMB prompts for X_COMPONENT Y_COMPONENT Z_COMPONENT 3 The user can select multiple item types in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 12 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH AIRBAG STATISTICS Plots airbag statistic data from the lt abstat gt file File Open Files Of Type LS DYNA3D Graph ABSTAT 1 AIRBAG STATISTICS 2 Upon entry of the abstat file FEMB lists the available airba
94. MB User s Manual Version 26 NT 18 49 GRAPH GRAPH OPTIONS AXIS CHANGE AXES COLOR Changes the color of the axes Graph Options Axis Change Axes Color 1 CHANGE AXES COLOR 2 FEMB prompts for the graph and then the color bar appears in the left corner of the screen FEMB prompts gt SELECT COLOR FROM COLOR BAR OR EXIT 3 Upon color selection the operation is performed FEMB User s Manual Version 26 NT 18 50 GRAPH GRAPH OPTIONS AXIS CHANGE AXES TEXT Changes the axes text Graph Options Axis Change Axes Text 1 CHANGE AXES TEXT 2 FEMB displays all available graphs via Pop Up window Upon accepting the desired graph to change axis text FEMB prompts via Pop Up window gt ENTER TEXT FOR THE X LABEL gt ENTER TEXT FOR THE Y LABEL FEMB User s Manual Version 26 NT 18 51 GRAPH GRAPH OPTIONS CURVE CHANGE CURVE COLOR Changes the color of the curve FEMB displays the color bar and the user can select the new color from the bar Graph Options Curve Change Curve Color 1 CHANGE CURVE COLOR 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon selection of the desired curve FEMB displays the color bar window Once the user accepts the desired color the command is executed FEMB User s Manual Version 26 NT 18 52 GRAPH GRAPH OPTIONS CURVE CHANGE CURVE
95. Manual Version 26 NT 15 11 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS LIST FORCE Displays forces and moments at the selected nodes in the command area of the screen Boundary Condition Loading Options List Force 1 2 LIST FORCE FEMB prompts gt SELECT NODE FOR FORCE LIST Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ALL NODES e All nodes with applied forces will have arrow heads displayed but no specific load magnitudes will be listed NODE e Default END SELECT If no FORCES or MOMENTS are applied at the selected grid FEMB will display the message gt NOLOAD SPECIFIED AT SELECTED NODE and remain in the LIST FORCE option FEMB User s Manual Version 26 NT 15 12 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS LIST PRESSURE Highlights the selected element lists the element number and displays the respective magnitude in the command line area of the screen Boundary Condition Loading Options List Pressure 1 LIST PRESSURE 2 FEMB prompts gt SELECT ELEMENT FOR PRESSURE LOAD 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT e Default END SELECT e Ifa pressure load is applied on the selected element FEMB will display the message gt PRESSURE LOAD AT EL xxxx yyyy e If no pressure load is applied on the
96. NAME Changes the curve name Graph Options Curve Change Curve Name 1 CHANGE CURVE NAME 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon selection of the desired curve FEMB prompts the user via Pop Up window for a new name 5 Upon accepting the new name the command is executed FEMB User s Manual Version 26 NT 18 53 GRAPH GRAPH OPTIONS CURVE CHANGE CURVE PATTERN Changes the curve pattern The user has the choice of curve patterns of solid dashed dotted or a combination of dotted and dashed lines Graph Options Curve Change Curve Pattern 1 CHANGE CURVE PATTERN 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon selection of the desired curve FEMB prompts the user via Pop Up window for a new curve pattern Upon accepting the new pattern the command is executed FEMB User s Manual Version 26 NT 18 54 GRAPH GRAPH OPTIONS CURVE CHANGE CURVE THICKNESS Changes the thickness of the selected curve Graph Options Curve Change Curve Thickness 1 CHANGE CURVE THICKNESS 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon selection of the desired curve FEMB prom
97. ODEL STATISTICS KEY IN NODE NO NODE e Default END SELECT 4 If the user selects a node in the database the part connection is listed and returned to Step 2 5 If the user selects a node number by keyboard entry that is not referenced in the database the following message is echoed and the user is returned to Step 2 gt NODE xxxx IS NOT IN DATABASE FEMB User s Manual Version 26 NT 9 34 NODE NODE DISTANCE BETWEEN POINT NODE Calculates the distance between 2 points nodes or node and point Node Distance Between Point Node 1 DISTANCE BETWEEN POINT NODE 2 FEMB prompts gt SELECT POINT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default POINT REJECT LAST END SELECT 4 The overall distance and the DX DY DZ components will be displayed in the message window FEMB User s Manual Version 26 NT 9 35 NODE CHECK CHECK The Check Menu is used to validate FEMB models The criteria values for model validation are set to defaults in FEMB but may be adjusted to suit the user s needs Element orientation size skewness connectivity and interior angles are compared to the specified criteria The commands available are listed below Display Model Boundary j Auto Orient Solid Auto Plate Norrnal Check Aspect Ratio Check Element size Check Element warpage Check Free Surface Check For Duplicate Elements Che
98. ODEL STATISTICS e Default SELECT MATERIAL BY ELEMENT e Goto step 5 CREATE NEW MATERIAL e Go to step 4 SELECT BY NAME e Goto step 5 END SELECT 4 FEMB prompts for material See Material Menu 5 FEMB prompts gt PICK AN ELEMENT TO IDENTIFY THE ELEMENT PROPERTY MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT PROPERTY BY ELEMENT e Goto step 7 CREATE NEW PROPERTY e Go to step 6 SELECT BY NAME e Goto step 7 END SELECT FEMB User s Manual Version 26 NT 11 2 PART PART 6 FEMB prompts for a property see Property Menu 7 FEMB prompts gt ELEMENT PROPERTY xxxx SELECTED Note The newly created part will become the Current Part FEMB User s Manual Version 26 NT 11 3 PART PART CURRENT PART Changes the current or active part All lines surfaces and elements to be created will automatically be included in the Current Part The Current Part name is displayed at the lower center of the display screen in its part color Caution should be taken to make sure that the desired part is current before creating any new lines or elements Part Current Part 1 CURRENT PART 2 FEMB prompts gt PICK AN ELEMENT TO IDENTIFY THE PART 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE REJECT LAST END SELECT 4 Once the target part has been
99. ODES 2 FEMB prompts gt SELECT NODES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 4 Choose END SELECT when done selecting nodes 5 If any of the selected nodes are referenced nodes the following message will echo gt CAN NOT DELETE NODE xxxx IT IS NOT UNREF FEMB User s Manual Version 26 NT 9 9 NODE NODE LOCAL COORDINATE SYSTEM ASSIGN Assigns a local coordinate system to selected nodes The user must create the local coordinate system before it can be assigned Node Local Coordinate System Assign 1 ASSIGN 2 FEMB prompts gt SELECT LOCAL COORDINATE SYSTEM e FEMB is asking which of the local coordinate systems the user wishes to assign 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT COORDINATE SYSTEM e Default Pick the coordinate system with the cursor SELECT GLOBAL SYSTEM KEY IN COORDINATE SYSTEM e Allows the user to select the coordinate system by number REJECT LAST END SELECT 4 FEMB prompts gt SELECT NODES 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 6 Choose END SELECT when done selecting node
100. ORM Projects points from a selected curve into a new coordinate frame Graph Curve Operations Euclid Norm 1 EUCLID NORM 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options 3 POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 The new curve is displayed upon curve selection FEMB User s Manual Version 26 NT 18 47 GRAPH GRAPH CURVE OPERATIONS EXTERNAL Used for inputting a user defined subroutine for graph manipulation The user must select the desired curve and enter an executable generated from a C or FORTRAN program shell script or DOS command FEMB provides two arguments input and output for the user command The command reads the input file manipulates the data and produces an output file containing the data manipulation results Filename examples are tmp femb_ext_command_input_curves tmp femb_ext_command_output_curves These files are in list directed format Graph Curve Operations External 1 EXTERNAL FEMB User s Manual Version 26 NT 18 48 GRAPH GRAPH DELETE CURVES Removes selected curves from the active graph The user will be prompted to select the desired curves Graph Delete Curves 1 DELETE CURVES 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options POINT Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon choosing END SELECT the selected curves will be deleted FE
101. POINTS ON A LINE 2 FEMB prompts gt SELECT A LINE FOR RE SPACING POINTS 3 Once the line is selected FEMB prompts via Pop Up window gt ENTER THE NUMBER OF POINTS ON LINE e Any integer greater than two must be entered FEMB includes the end points of the line as part of the total count of points on the line FEMB User s Manual Version 26 NT 6 12 GEOMETRY GEOMETRY REVERSE LINE DIRECTION Each line has a direction defined from the first point to the last point This function allows the user to reverse the line direction Arrowheads on the line presented during Show Line Split Line etc which are located at existing points also indicate the line direction Geom Reverse Line Direction 1 REVERSE LINE DIRECTION 2 FEMB prompts gt SELECT A LINE TO REVERSE 3 Once a line is selected the direction is automatically reversed FEMB User s Manual Version 26 NT 6 13 GEOMETRY GEOMETRY RE SCALE LINE Scales selected lines or points with respect to any axis global or local using magnification factors in X Y Z U V or W A scale factor greater than 1 will magnify the line whereas a scale factor less than 1 will reduce the line Geom Re Scale Line 1 RE SCALE LINE 2 FEMB prompts gt SELECT LINE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY LINE e Default SELECT BY PART SELECT BY DRAG WINDOW REJECT LAST END S
102. Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT POINT e Default END LINE REJECT LAST REJECT ALL 6 END completes the split operation TRIM SURFACE FEMB User s Manual Version 26 NT 7 12 SURFACE SURFACE Defines curves for trimming edges and or cutting holes on a selected surface The defined curves may be poly lines b spline lines circles piecewise linear segments or intersection lines of two surfaces Surf Trim Surface l 2 TRIM SURFACE FEMB prompts gt SELECT SURFACE TO TRIM Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT SURFACE e Default KEY IN SURFACE NO END SELECT Upon selection of the surface FEMB prompts gt SELECT A CURSOR LOCATION TO BEGIN THE TRIM LINE Press right mouse button for other options MODEL ORIENTATION e See discussion for details gt SELECT POINT e The user may select any location on the selected surface via mouse pick to define the linear segment default Select the option End Trim Line Closed or End Trim Line Open upon completion of point selections and then see Step 6 CREATE SPLINE CURVE gt SELECT THE FIRST CURSOR LOCATION ON THE TRIM LINE e Cuts spline curves on the selected surface The user may select any location on the selected surface via mouse pick to define the spline Select the option E
103. Properties Display by material Display by interface CI Fill Color Display by element prop iia ieee Display by part q Display Section Lines LI Display Surface Normals E Display Element Normals Display Local Coord Sys Display Surfaces Display Slave Nodes L Display Segment Normals C Label Elements C Label Nodes L Shrink Elements A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 19 1 DISPLAY PROPERTIES DISPLAY PROPERTIES DISPLAY MODE Display By Material Displays the parts in their respective material colors If a part does not have a material property assigned to it the part will become highlighted Display By Interface Displays the master and slave segments for the parts that are turned on Display By Element Prop Displays the parts in their respective element colors If a part does not have a element property assigned to it the part will become highlighted Display By Part Default Turns on off all displayed parts in a database DISPLAY PROPERTIES Shading Displays realistic rendering of objects using light sources FEMB represents elements as if a physical light source were present Elements that are not directly exposed to the light source are appropriately shaded to emulate real life shading Fill Color Fills the displayed elements with their part color Display Lines Default Turns on off all l
104. RY_OPTON Pop Up window to allow the user to define the binary file output Consult an LS DYNASD user s manual for information concerning these options e FEMB displays the DATABASE_ EXTENT_BINARY Pop Up window to allow the user to define the content of the binary files Consult an LS DYNA3D user s manual for information concerning these options e FEMB displays the DATABASE OPTION Pop Up window to allow the user to select ASCII file types for the output Consult an LS DYNASD user s manual for information concerning these options No e Returns the user to the current database FEMB User s Manual Version 26 NT 5 10 FILE FILE AUTOPROTECT Specifies the time interval for a file to be saved File Autoprotect 1 AUTOPROTECT 2 AUTOPROTECT window appears and the user can change the backup filename and the time interval between saves FEMB User s Manual Version 26 NT 5 11 FILE FILE SCALE FONT Independently adjusts the size of the font on screen and the size of the font sent to the printer File Scale Font 1 SCALE FONT 2 The user selects the font to scale gt GRAPHICS FONT gt PRINTER FONT 3 FEMB prompts via Pop Up window gt ENTER NEW CHARACTER SCALE MULTIPLE CURR XXX e When FEMB is opened it considers the length and width of the display area and selects an appropriate font size This command adjusts the font size to the factor and size scale of the font originally chosen by FEMB
105. S Creates concentrated mass elements Elem Create Elements Mass 1 MASS 2 FEMB prompts via Pop Up window gt ENTER M I11 121 122 131 132 133 e M MASS e 11 121 122 131 132 133 MOMENT OF INERTIA e The user may enter only the mass if desired The moment of inertia is an optional entry e The user should remember that the units of the MASS element should be consistent with the units of the database i e DATABASE MM MASS element KG 3 FEMB prompts gt PICK NODES POINTS gt PICK NODE FOR ELEMENT 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT NEW ELEMENT REJECT LAST END SELECT e To create the elements the user may select a node point or keyboard entry e The elements will be created simultaneously upon selection of the desired node points FEMB User s Manual Version 26 NT 8 7 ELEMENT ELEMENT CREATE FREE SURFACE ELEMENTS toggle Creates plate elements on the free surfaces of solid models The plate elements are assigned to the current part Elem Create Free Surface Elements 1 CREATE FREE SURFACE ELEMENTS gt gt gt gt gt xxx FREE SURFACES FOUND CHECKING FOR FREE SURFACES CONSTRUCTING FREE SURFACES xxx FREE SURFACES FOUND CREATING ELEMENTS FROM FREE SURFACES FEMB User s Manual Version 26 NT 8 8 ELEMENT ELEMENT MESH OPTIONS ELEMENT TYPE toggle
106. S WITH TRI ELEMENTS Y N YES Will replace all the warped 4 node plate elements with triangular elements NO Goto Step 5 5 If there are failed elements FEMB attempts to place these elements into a part via Pop Up window gt INCLUDE FAILED ELEMENTS IN A NEW PART Y N YES See Step 6 NO Will exit The warped solids and plate elements will remain in their original parts 6 If elements are added to a new part FEMB asks for a part name via Pop Up window gt ENTER PART NAME Enter name of new part Plates and or solids will be added to this part and become current FEMB User s Manual Version 26 NT 10 8 CHECK CHECK CHECK FREE SURFACE Locates and displays free surfaces in a solid element model All elements will be removed temporarily from the display leaving only the free surfaces visible Check Check Free Surface 1 CHECK FREE SURFACE gt VV V V xxx FREE SURFACES FOUND CHECKING FOR FREE SURFACES CONSTRUCTING FREE SURFACES xxx FREE SURFACES FOUND SELECT END SELECT OR SELECT ANOTHER FUNCTION TO RESTORE THE MODEL FEMB User s Manual Version 26 NT 10 9 CHECK CHECK CHECK FOR DUPLICATE ELEMENTS Checks all displayed elements for elements of the same type that share the same connectivity All element types are checked Check Check for Duplicate Elements 1 CHECK FOR DUPLICATE ELEMENTS 2 If no duplicate elements are found in the displayed elements the following message i
107. SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST REJECT ALL END SELECT 4 END SELECT coarsens the selected elements and prompts for more FEMB User s Manual Version 26 NT 8 37 ELEMENT ELEMENT CHANGE ELEMENT NUMBER Changes an existing element number Parts do not need to be on or current Elem Change Element Number 1 2 CHANGE ELEMENT NUMBER FEMB prompts the user to select elements gt SELECT ELEMENT FOR NEW ELEMENT NUMBER Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default KEY IN ELEMENT NUMBER REJECT LAST END SELECT Once the user selects a desired element FEMB prompts via Pop Up window gt ENTER NEW ELEMENT NUMBER FOR xxxx e Where xxxx is the original element number Ifthe user enters a number that already exists FEMB prompts gt ELEMENT NUMBER yyyy ALREADY EXISTS REQUEST DENIED FEMB User s Manual Version 26 NT 8 38 ELEMENT ELEMENT DELETE ELEMENTS Deletes elements from the model Elem Delete Elements 1 DELETE ELEMENTS 2 FEMB prompts gt SELECT ELEMENTS 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST REJECT ALL END SELECT 4
108. SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 4 Choose END SELECT when done selecting nodes 5 Choose END SELECT to complete the command FEMB User s Manual Version 26 NT 15 18 BOUNDARY CONDITIONS BOUNDARY CONDITIONS INITIAL VELOCITY IDENTIFY INITIAL VELOCITY Displays in the message display window all information pertaining to a selected node Boundary Conditions Initial Velocity Identify Initial Velocity 1 IDENTIFY INITIAL VELOCITY 2 FEMB prompts gt SELECT NODE FOR INITIAL VELOCITY Once a node is selected the node number and all velocities and angular velocities are shown in the message display window 4 Choose END SELECT to complete the command FEMB User s Manual Version 26 NT 15 19 BOUNDARY CONDITIONS BOUNDARY CONDITIONS INITIAL VELOCITY SHOW INITIAL VELOCITIES Displays all initial velocities in the model Boundary Conditions Initial Velocity Show Initial Velocities 1 SHOW INITIAL VELOCITIES 2 FEMB displays all the initial velocities on the model 3 Choose CLEAR to remove the display of the initial velocities FEMB User s Manual Version 26 NT 15 20 BOUNDARY CONDITIONS BOUNDARY CONDITIONS SPC OPTIONS CREATE NEW SPC SET This function creates a new SPC set The SPC set may be used later for SPC set definition Boundary Condition SPC Options Create New SPC Set 1 FEMB prompts via Pop Up window gt ENTER SPC SET NUMBER XXX 2 FEMB prompts gt SE
109. STRAIN DISPLACEMENT Component depending on the current Contour Option setting of the Display Properties Pop Up window For STRESS contour select from the following components STRESS SIGXX MID SIGY Y MID SIGZZ MID etc For DISPLACEMENT contour select from the following components DISPLACEMENT X COORDINATE Y COORDINATE Z COORDINATE TOTAL For STRAIN contours select from the following components STRAIN PSTN MID PSTN BOT NOR_STRAIN EPS_XX BOT EPS_YY TOP EPS_ZZ MID FEMB User s Manual Version 26 NT 17 10 POST PROCESSING POST PROCESSING PRSTRNI BOT etc Note FEMB provides the choices for strain based on the user s LS DYNA3D input file 4 Upon component selection FEMB plots the desired contour FEMB User s Manual Version 26 NT 17 11 POST PROCESSING POST PROCESSING PLOT DEFORMED SHAPE Displays the deformed model The undeformed shape is displayed in white by default Post Plot Deformed Shape 1 DEFORMED SHAPE 2 FEMB prompts via Pop Up window gt SELECT STEPS 3 FEMB prompts via Pop Up window gt SELECT ANIMATION OPTION WIRE FRAME e The animation will be presented without hidden surface removal All lines and element edges will be visible REMOVE SOLID INTERIOR FACES e The animation will be presented without hidden surface removal but the non free faces of all solid elements will be invisible HIDDEN LINE COLOR FILL e The animation will be presented
110. SURF MOVING CYLINDER MOVING SPHERE MOVING RECT PRISM 4 After choosing one of the above interfaces FEMB displays options specific to each interface Each interface in the rigidwall s sub section will be covered individually in the following pages FEMB User s Manual Version 26 NT 14 4 INTERFACE MENU INTERFACE MENU CREATE INTERFACE RIGIDWALL S INFINITE FLAT SURFACE Creates an infinite flat surface as a rigidwall I F Create Interface Rigidwall s Infinite Flat Surface 1 INFINITE FLAT SURFACE 2 FEMB prompts gt DEFINE LOCAL COORDINATE SYSTEM FOR RIGIDWALL gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System e Rigidwalls are defined in the U V plane The three nodes selected will define the local U V plane 3 Once the user defined coordinate system for the rigidwall has been accepted the user must select the rigidwall origin FEMB prompts gt PICK THE RIGIDWALL ORIGIN 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT REJECT LAST END SELECT 5 FEMB prompts via Pop Up window gt ENTER LENGTH OF L ALONG U AND M ALONG V e Format is nnnn nnnn E G 1234 2345 6 Upon selection of Infinite Fla
111. Step 2 FEMB prompts via Pop Up window gt SELECT TRANSFORMATION OPTION MOVE gt ENTER U V W INCREMENTS e i e 0 0 1000 will copy the selected points lines 1000 units along the W axis ROTATE gt ENTER ANGLE INCREMENT e i e 200 degrees After the correct values have been entered FEMB prompts gt SELECT POINT S TO TRANSFORM Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS CURSOR e Default CHANGE INCREMENT FEMB User s Manual Version 26 NT 6 22 GEOMETRY GEOMETRY DEFINE NEW COORDINATE SYSTEM REPEAT LAST TRANSFORMATION REVERSE LAST OPERATION END SELECT 7 END SELECT returns the user to step 2 FEMB User s Manual Version 26 NT 6 23 GEOMETRY GEOMETRY MIRROR LINES Reflects a copy of desired lines across a local or global coordinate plane Geom Mirror Lines 1 MIRROR LINES 2 FEMB prompts gt PICK LINES TO MIRROR gt SELECT LINE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY LINE e Default SELECT BY PART SELECT BY DRAG WINDOW REJECT LAST END SELECT 4 Once the desired lines have been selected END SELECT will proceed with the operation 5 FEMB prompts via Pop Up window gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB is asking for a desired coordinate system local or global FEMB prompts the user t
112. T ELEMENT TO IDENTIFY PROPERTY 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY PROPERTY NAME END SELECT 5 After selection FEMB prompts gt Property XXXXX IS SELECTED 6 Enter new Property ID and click the ACCEPT button to end or click CANCEL END button to end without changing the Property ID FEMB User s Manual Version 26 NT 13 7 ELEMENT PROPERTY ELEMENT PROPERTY CHANGE ELEMENT PROPERTY NAME Renames the selected property Prop Change Element Property Name 1 2 CHANGE ELEMENT PROPERTY NAME FEMB prompts the user to select a property gt SELECT PROPERTY TO RENAME gt SELECT ELEMENT TO IDENTIFY PROPERTY Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY PROPERTY NAME REJECT SELECTION END SELECT After selecting a property to be renamed FEMB prompts gt PROPERTY xxx IS SELECTED gt ENTER NEW PROPERTY NAME Enter the new property name and click the Accept button If the entered name already exists then FEMB prompts for a new name again Click the Cancel button to exit without changing property name FEMB User s Manual Version 26 NT 13 8 ELEMENT PROPERTY ELEMENT PROPERTY DELETE ELEMENT PROPERTY Deletes selected element properties from the database Prop Delete Element Property 1
113. TISTICS SELECT COORDINATE SYSTEM e Default Pick the coordinate system with the cursor SELECT GLOBAL SYSTEM KEY IN COORDINATE SYSTEM e Allows the user to select the coordinate system by number REJECT LAST END SELECT 4 Once the coordinate system is selected FEMB will display in the message display window the coordinate system s number its type rectangular cylindrical or spherical and the coordinates of its origin in the global plane 5 Choose END SELECT when no more coordinate systems need be identified FEMB User s Manual Version 26 NT 9 15 NODE NODE RENUMBER NODES Renumbers all nodes in the existing database The user may renumber nodes by sequence or parts Node Renumber Nodes 1 RENUMBER NODES 2 FEMB prompts via Pop Up window gt ASSIGN STARTING NODE NUMBER FOR EACH PART Y N YES gt ENTER STARTING NODE NUMBER FOR PART xxxx Pop Up e Once a number has been entered the FEMB prompts gt gt NO NODE x TO xx ASSIGNED NEXT NODE NO xxxx ENTER STARTING NODE NUMBER FOR PART xxxx These prompts will continue for every part in the database If a starting number is entered that is already used the user is informed that the location is used and is sent back to the beginning of this step NODE NUMBER HAS BEEN ASSIGNED Zero 0 will assign MAX NODE NO 1 gt ENTER STARTING NODE NUMBER Pop Up Any positive integer or zero will default to one 1 3 FEMB prompts fo
114. TRAIN DISPLACEMENT Component depending on the current Contour Option setting of the Display Properties Pop Up window For STRESS contour select from the following components STRESS SIGXX MID SIGY Y MID SIGZZ MID etc For DISPLACEMENT contour select from the following components DISPLACEMENT X COORDINATE Y COORDINATE Z COORDINATE TOTAL For STRAIN contours select from the following components STRAIN PSTN MID PSTN BOT NOR_STRAIN EPS_XX BOT EPS_YY TOP EPS_ZZ MID FEMB User s Manual Version 26 NT 17 8 POST PROCESSING POST PROCESSING PRSTRNI BOT etc Note FEMB provides the choices for strain based on the user s LS DYNA3D input file 4 Upon component selection FEMB plots the desired contour FEMB User s Manual Version 26 NT 17 9 POST PROCESSING POST PROCESSING PLOT CONTOUR LINES Takes information from the result file and superimposes a wireframe color contour line plot of a STRESS STRAIN DISPLACEMENT result onto the current model The color legend located in the upper right hand corner of the screen displays the corresponding values The location of the highest value in the model is labeled with an asterisk and the lowest value is labeled with a zero 0 Post Plot Contour Line 1 CONTOUR LINE 2 FEMB prompts via Pop Up window gt SELECT STEPS 3 After desired step is selected a Component window appears and the user must select the desired STRESS
115. TRANSFORMATION OPTION MOVE gt ENTER U V W INCREMENTS e ie 0 0 1000 will copy the selected lines 1000 units along the W axis ROTATE gt ENTER ANGLE INCREMENT e i e 200 degrees 8 FEMB prompts via Pop Up window gt INCLUDE THE COPIED LINES IN THEIR ORIGINAL PART YES NO YES Places all copied lines in their original part NO Places all copied lines into the Current part FEMB User s Manual Version 26 NT 6 19 GEOMETRY GEOMETRY TRANSFORM LINE S Translates or rotates selected line s to new locations Geom Transform Line s 1 2 LINE S FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB is asking for a desired coordinate system local or global FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System Once the desired coordinate system is selected it will be displayed on the screen and the prompt will read via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Goto Step 4 NO Returns to Step 2 FEMB prompts via Pop Up window gt SELECT TRANSFORMATION OPTION MOVE gt ENTER U V W INCREMENTS e ie 0 0 1000 will copy the selected lines 1000 units along the W axis ROTATE gt ENTER ANGLE INCREMENT e i e 200 degrees After the correct values have been entered FEMB prompts
116. TWO BOUNDARY POINTS e User may split the selected surface at two selected boundary points gt SELECT FIRST POINT ON BOUNDARY gt SELECT SECOND POINT ON BOUNDARY e FEMB splits the surface upon selection of the second boundary point RE SPACE SECTION LINES e User may re space the surface section lines The user may then select a section line along which to split the surface gt ENTER THE NUMBERS OF SECTION LINES N1 N2 e NI or N2 cannot be greater than 199 e Once N1 N2 section lines have been entered the user may select the desired section line SECTION LINE e Default FEMB User s Manual Version 26 NT 7 11 SURFACE SURFACE gt SELECT SECTION LINE TO SPLIT THE SURFACE e Once the section line is selected the surface is split SURFACE OF INTERSECTION e User may split a surface at the intersection of a second surface e Upon selection of the second surface the first surface will be split at the intersection of the two surfaces The user then has the option to split the second surface at the same intersection SPLINE CURVE gt SELECT THE FIRST CURSOR LOCATION FOR THE SPLINE CURVE gt SELECT THE NEXT CURSOR LOCATION ON THE SPLINE CURVE e User may pick up to 500 locations on the surface defining either a piecewise linear curve or a spline Note The user must end selection of spline curve points with the selection of END SPLINE CLOSED or END SPLINE OPEN LINEAR SEGMENTS gt SELECT NEXT POINT FOR LINEAR SEGMENTS e
117. U INTERFACE MENU CHANGE INTERFACE ID Renumbers the interface IDs for selected or all interfaces I F Change Interface ID 1 CHANGE INTERFACE ID 2 FEMB prompts for the option via Pop Up window gt RENUMBER ALL INTERFACES YES Go to Step 7 NO Complete Steps 3 to 6 3 FEMB prompts via Pop Up window gt RENUMBER SELECTED INTERFACES YES Go to next step NO Ends selection 4 FEMB prompts gt SELECT SEGMENT 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT INTERFACE BY SEGMENT e Default SELECT INTERFACE BY NAME REJECT LAST END SELECT 6 After the interface is selected FEMB prompts for the new interface ID gt ENTER ID XXX FOR I F XXxx 7 FEMB prompts for the new interface ID for each interface gt ENTER ID XXX FOR I F XXXX e Enter new interface number for each interface or click Cancel to exit function FEMB User s Manual Version 26 NT 14 27 INTERFACE MENU INTERFACE MENU CHANGE INTERFACE NAME Renames the selected interface I F Change Interface Name 1 CHANGE INTERFACE NAME 2 FEMB prompts gt SELECT INTERFACE TO RENAME gt SELECT SEGMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT INTERFACE BY SEGMENT e Default SELECT INTERFACE BY NAME REJECT LAST END SELECT 4 FEMB prompts for the new interface name via Pop Up
118. UPLICATE NODES FOUND 3 If no duplicate nodes are found the following messages echo to the screen gt CHECKING xxx NODES FOR DUPLICATE NODES gt NO DUPLICATE NODES FOUND FEMB User s Manual Version 26 NT 9 6 NODE NODE COMMON NODE ON OFF toggle Displays or does not display nodes common to two or more parts It must be used in conjunction with Find Common Nodes which calculates the nodes that are common Must be used to update the display list of common nodes Node Common Node On Off 1 COMMON NODE ON OFF 2 FEMB prompts according to the position of the toggle gt COMMON NODES WILL BE SHOWN gt COMMON NODES WILL NOT BE SHOWN Note Common Nodes On Off only turns the toggle on and off Find Common Nodes updates the common node list FEMB User s Manual Version 26 NT 9 7 NODE NODE DELETE UNREFERENCED NODES ALL UNREFERENCED NODES Deletes all unreferenced nodes shown by asterisks in the database Node Delete Unreferenced Nodes All Unreferenced Nodes 1 ALL UNREFERENCED NODES 2 One of the following messages will appear gt xx UNREFERENCED NODES DELETED or gt NO UNREFERENCED NODES FOUND FEMB User s Manual Version 26 NT 9 8 NODE NODE DELETE UNREFERENCED NODES BY SELECTED FREE NODES This function allows the user to delete selected unreferenced nodes shown by asterisks in the database Node Delete Unreferenced Nodes By Selected Free Nodes 1 BY SELECTED FREE N
119. Up window gt ENTER LENGTH CRITERIA e A valid response is any real number greater than zero 3 If all the displayed elements edge lengths are greater than the criterion then FEMB will echo the message gt ALL ELEMENTS PASS CHECK 4 If any of the displayed elements edge lengths are less than the criterion then FEMB will echo the following messages gt ELEMENT xxxx FAILED CHECK gt xxxx ELEMENTS FAILED CHECK 5 If there are failed elements FEMB prompts the user via Pop Up window to place these elements into a part gt INCLUDE FAILED ELEMENTS IN A NEW PART Y N YES Prompts for a new part name NO Exits command FEMB User s Manual Version 26 NT 10 7 CHECK CHECK CHECK ELEMENT WARPAGE Checks the warpage skewness of displayed plate and solid elements FEMB highlights all warped elements that fail the warpage criterion The user has the option to split the failed plate elements into triangular elements All failed elements may be added to a new part Check Check Element Warpage 1 CHECK ELEMENT WARPAGE 2 FEMB prompts gt ENTER CRITERIA 5 DEG e Any real number is a valid entry 3 If all the elements have warpage less than the entered criteria gt ALL ELEMENTS PASS CHECK or gt ELEMENT xxxx FAILED CHECK gt xxxx ELEMENTS FAILED CHECK e Step 4 is not applicable for solid elements skip to Step 5 4 The user is prompted to replace warped elements via Pop Up window gt REPLACE WARPED QUAD
120. VELOCITY X_ACCELERATION Y_ACCELERATION Z_ACCELERATION XR_ACCELERATION YR_ACCELERATION ZR_ACCELERATION 3 The user can select multiple items in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 15 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH SLIDING INTERFACE ENERGY Plots interface energy data from the lt sleout gt file File Open Files Of Type LS DYNA3D Graph SLEOUT 1 SLIDING INTERFACE ENERGY 2 Upon entry of the sleout file FEMB lists the available master slave interface energy components for selection In addition to all available master slave interface energies FEMB also lists TOTAL SLAVE SIDE TOTAL MASTER SIDE TOTAL ENERGY 3 Once the desired master slave interface energy components are chosen FEMB plots the graphs 4 The user can select multiple items in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 16 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH JOINT FORCE FILE Plots joint force data from the lt jntforc gt file File Open Files Of Type LS DYNA3D Graph JNTFORC 1 JOINT FORCE FILE 2 Upon entry of the jntforc file FEMB lists the available joint forces for selection After selection FEMB prompts for X_FORCE Y_FORCE Z_FORCE X_MOMENT Y_MOMENT Z_MOMENT RESULTANT_FORCE RESULTANT_MOMENT 3 The user can select multiple items in this menu Once the user accepts t
121. a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System Note The nodes are projected only along the local W axis The user must define the local coordinate system accordingly Once the coordinate system is defined FEMB prompts gt SELECT NODE S TO PROJECT ONTO MESH Press right mouse button for other options MODEL ORIENTATION FEMB User s Manual Version 26 NT 9 23 NODE NODE e See discussion for details MODEL STATISTICS NODE e Default NODES IN PART DRAG WINDOW REJECT LAST END SELECT 7 Choose END SELECT to complete the command FEMB User s Manual Version 26 NT 9 24 NODE NODE PROJECT NODE S ONTO LOCAL U V PLANE Projects a node or group of nodes onto any U V plane Nodes may be referenced or unreferenced Node Project Node s Onto Local U V Plane 1 ONTO LOCAL U V PLANE 2 FEMB prompts gt DEFINE PROJECTION UV PLANE gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System e This coordinate system will define the U V plane 3 Once the U V plane onto which the points will be projected is defined FEMB prompts via Pop Up window gt PROJECT NODES ALONG W AXIS Note N
122. all origin FEMB prompts gt PICK THE RIGIDWALL ORIGIN Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT REJECT LAST END SELECT FEMB prompts via Pop Up window gt ENTER LENGTH OF L ALONG U AND M ALONG V e Format is nnnn nnnn E G 1234 2345 FEMB prompts gt CURRENT RIGIDWALL MOTION CONDITION IS FIXED RIGIDWALL FEMB User s Manual Version 26 NT 14 9 INTERFACE MENU INTERFACE MENU gt SELECT RIGIDWALL MOTION CONDITION FIXED RIGIDWALL MASS amp INIT VEL VEL BY LOAD CURVE DIS BY LOAD CURVE EXIT e Choosing any of the Define Rigidwall Motion Condition options displays a Pop Up window specific to the option Each of these options is described under the CREATE INTERFACE RIGIDWALL INFINITE FLAT SURFACE command 8 FEMB prompts via Pop Up window gt ENTER INTERFACE FRICTION CURRENT VALUE 0 0000 e Valid entries are O no friction O lt friction coeff lt 1 1 stick 9 FEMB prompts gt SELECT 4 NODES FOR VIEWING RIGIDWALL OUTPUT e FEMB prompts the user to select nodes 0 through 4 in the message window 10 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN NODE NO NODE e Default REJECT LAST 11 Once the four nodes are selected FEMB creates four color filled squares flagging the nodes 12 FEMB prompts via Pop Up windo
123. ane The three nodes selected will define the local U V plane Once the user defined coordinate system for the rigidwall has been accepted the user must select the rigidwall origin FEMB prompts gt PICK THE RIGIDWALL ORIGIN Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT REJECT LAST END SELECT FEMB prompts via Pop Up window gt ENTER LENGTH OF L ALONG U AND M ALONG V e Format is nnnn nnnn E G 1234 2345 FEMB prompts gt CURRENT RIGIDWALL MOTION CONDITION IS FIXED RIGIDWALL gt SELECT RIGIDWALL MOTION CONDITION FIXED RIGIDWALL FEMB User s Manual Version 26 NT 14 13 NTERFACE MENU INTERFACE MENU MASS amp INIT VEL VEL BY LOAD CURVE DIS BY LOAD CURVE EXIT e Choosing any of the Define Rigidwall Motion Condition options displays a Pop Up window specific to the option Each of these options is described under the CREATE INTERFACE RIGIDWALL INFINITE FLAT SURFACE command 7 FEMB prompts via Pop Up window gt ENTER INTERFACE FRICTION CURRENT VALUE 0 0000 e Valid entries are 0 no friction 0 lt friction coeff lt 1 1 stick FEMB User s Manual Version 26 NT 14 14 INTERFACE MENU INTERFACE MENU CREATE INTERFACE RIGIDWALL S MOVING CYLINDER Creates a moving cylinder as the rigidwall s I F Create Interface Rigidwall s Moving Cylinder 1 2 MOVING
124. aphs Arbitrary 1 ARBITRARY 2 FEMB lists all available graphs via Pop Up window for selection accepting the selected graphs FEMB prompts gt DEFINE WINDOW 3 Rubber band window determines the window size of the graph Upon FEMB User s Manual Version 26 NT 18 27 GRAPH GRAPH PLOT MULTI GRAPHS CONSTANT SIZE Similar to arbitrary graph placement in defining the window size except that FEMB duplicates the size of the first window for each subsequent graph The user simply locates the upper left corner for subsequent plot windows Graph Plot Multi Graphs Constant Size 1 CONSTANT SIZE 2 FEMB lists all available graphs via Pop Up window for selection Upon accepting the selected graphs FEMB prompts gt DEFINE WINDOW 3 Mouse select determines the window size of the graph 4 FEMB prompts gt SELECT GRAPHS 5 The user selects the next graph and mouse selects the upper left corner for the next window FEMB User s Manual Version 26 NT 18 28 GRAPH GRAPH SELECT GRAPH Activates a desired graph Graph Select Graph 1 SELECT GRAPH 2 The user will be prompted to select a desired graph via Pop Up window Once the graph has been selected it then becomes active FEMB User s Manual Version 26 NT 18 29 GRAPH GRAPH ADD CURVE TO GRAPH Places a selected curve in a selected graph Graph Add Curve To Graph 1 ADD CURVE TO GRAPH 2 FEMB will prompt the user to select
125. atabase FEMB User s Manual Version 26 NT 5 8 FILE FILE SAVE AS A FEMB LINE DATA FILE Saves the current database as a FEMB line data file File Save As A FEMB Line Data File 1 SAVE AS gt The SAVE AS window appears and the user must specify where the file will be written file type and the filename 2 If the user selects FEMB LINE LIN under FILES OF TYPE FEMB will prompt via Pop Up window gt SAVE AS A FEMB LINE DATA FILE Yes e FEMB prompts via Pop Up window gt WRITE LINES SURFACES ONLY IN ACTIVE PARTS Yes Writes the line data only from parts currently turned on No Writes all the line data from the current database No e Returns the user to the current database FEMB User s Manual Version 26 NT 5 9 FILE FILE SAVE AS AN LS DYNA3D FILE Saves the current database as a LS DYNAS3D input file File Save As An LS DYNAS3D File 1 SAVE AS e The SAVE AS window appears and the user must specify where the file will be written file type and the filename 2 Ifthe user selects LS DYNA3D DYN DAT under FILES OF TYPE then FEMB will prompt via Pop Up window gt SAVE AS AN LS DYNA3D FILE Yes e FEMB prompts via Pop Up window gt ENTER TITLE e FEMB is requesting the name of the LS DYNA3D data deck e FEMB prompts via Pop Up window gt ENTER TERMINATION TIME e FEMB is requesting the length in seconds of the simulation in real time e FEMB displays the DATABASE_BINA
126. cal origin and then selects one of the X Y or Z options available click the right most mouse button for available options to define the local W axis along one of the global axes Listed below is the series of prompts and steps involved in creating a local coordinate system These commands will appear wherever a local coordinate system is required mirror lines elements transform nodes etc 1 FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN 2 Press right most mouse button for options MODEL ORIENTATION e See discussion for details FEMB User s Manual Version 26 NT 2 3 GENERAL DISCUSSION GENERAL DISCUSSION MODEL STATISTICS GLOBAL SYSTEM KEY INX YZ NODE e Default POINT SHOW LAST COORDINATE SYS REJECT LAST REJECT ALL END SELECT 3 After the origin is defined FEMB prompts gt PICK THE NEXT NODE 4 Press right most mouse button for options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN X Y Z INCREMENTAL X Y Z NODE Default POINT W ALONG X AXIS W ALONG Y AXIS W ALONG Z AXIS REJECT LAST REJECT ALL END SELECT Note All rotational commands i e generating arcs copy with rotating etc execute about the local W or global Z axes After the coordinate system is defined FEMB will prompt the user to accept the displayed coordinate system FEMB User s Manual Version 26 NT 2 4 GENERAL DISCUSSION GENERAL DISCUSSION
127. ccepting the defined material property FEMB prompts via Pop Up window gt WOULD YOU LIKE TO ASSIGN THE NEW MATERIAL YES See step 6 NO Ends this function 6 FEMB prompts gt SELECT PARTS TO ASSIGN MATERIAL gt PICK AN ELEMENT TO IDENTIFY THE PART 7 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE REJECT LAST END SELECT 8 After selection the selected part will turn gray and FEMB prompts gt PART XXXXX IS SELECTED gt PICK AN ELEMENT TO IDENTIFY THE PART 9 Once the END SELECT button is clicked this function is completed and FEMB prompts gt MATERIAL XXXXX ASSIGNED TO PART XXXXX FEMB User s Manual Version 26 NT 12 3 MATERIAL PROPERTY MATERIAL PROPERTY ASSIGN MATERIAL TO PART Assigns material properties to selected parts Material Assign Material to Part 1 ASSIGN MATERIAL TO PART 2 FEMB prompts the user to select a material gt PICK AN ELEMENT TO IDENTIFY A MATERIAL 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY MATERIAL NAME REJECT SELECTION END SELECT e Users may select an existing property by picking an element on the screen with the desired property default or by selecting a property by property name e If no properties are present in the
128. ck Interior Angle Check Plate Normals Check RBE s section Through Element A detailed description is provided in the following pages FEMB User s Manual Version 26 NT 10 1 CHECK CHECK DISPLAY MODEL BOUNDARY SINGLE SURFACE Checks the continuity of the displayed elements FEMB highlights the single free edge Check Display Model Boundary Single Surface 1 SINGLE SURFACE e The boundary will remain highlighted until the user selects CLEAR Note Boundary will only be displayed on outer most edges of a solid element structure User should use the Check Free Surface command for verifying solid element models FEMB User s Manual Version 26 NT 10 2 CHECK CHECK DISPLAY MODEL BOUNDARY MULTIPLE SURFACE Checks the continuity of displayed elements FEMB will highlight the non intersecting free edges of multiple surfaces unless the intersection of the multiple surfaces are connected properly Check Display Model Boundary Multiple Surface 1 MULTIPLE SURFACE e The boundary remains highlighted until the user selects CLEAR Note Boundary will only be displayed on outer most edges of a solid element structure User should also use the Check Free Surface command for verifying solid element models FEMB User s Manual Version 26 NT 10 3 CHECK CHECK AUTO ORIENT SOLID Adjusts all the displayed solid elements to an inward normal direction of the bottom surface according to the right hand
129. cted the grid setting will be toggled FEMB User s Manual Version 26 NT 18 62 GRAPH GRAPH OPTIONS GRID CHANGE GRID PATTERN Changes the grid pattern The user has the choice of grid patterns of solid dashed dotted or a combination of dotted and dashed lines Graph Options Grid Change Grid Pattern 1 CHANGE GRID PATTERN 2 Upon selection of the desired graph FEMB prompts for the grid pattern via Pop Up window gt SELECT LINE PATTERN SOLID DASHED DOTTED DOTTED DASHED 3 Upon pattern selection the grid changes FEMB User s Manual Version 26 NT 18 63 GRAPH GRAPH OPTIONS GRID CHANGE GRID LINE THICKNESS Changes the thickness of the grid on a selected curve Graph Options Grid Change Grid Line Thickness 1 CHANGE GRID LINE THICKNESS 2 Upon selection of the desired graph FEMB prompts via Pop Up window for a new grid size ranging from 1 3 default is 1 Upon accepting the new size the command is executed FEMB User s Manual Version 26 NT 18 64 GRAPH GRAPH OPTIONS LABEL ADD LABEL Adds text labels to the displayed graph Graph Options Label Add Label 1 ADD LABEL 2 FEMB prompts the user via Pop Up window to enter a label O 10 Upon entering a character size FEMB prompts via Pop Up window gt ENTER TEXT FOR THE LABEL 3 Once the new label has been accepted FEMB prompts gt PICK LOCATION FOR THE LABEL 4 The user may now pick any location on th
130. database under a new name Note File types are read in directly without external translation FEMB User s Manual Version 26 NT 3 1 GETTING STARTED GETTING STARTED ENTERING AND CREATING A NEW DATABASE The intention of this section is to guide the user in creating a new database in FEMB when line or model data is unavailable Typically in this case the user will need to digitize a drawing thus generating one s own line data The line data can then be modeled using FEMB This is the scenario that will be discussed In the LS DYNA3D program manager start FEMB by clicking the Pre Post Processing button or pull down the Builder Viewer menu and select the Pre Post Processing menu item Once this is done a window pops up listing FEMB database files with the extension fmb Enter a new file name 1 Once you are in FEMB the first thing that needs to be done is to create a new part in the Part Menu FEMB will not allow entities to be created in an empty database unless there is an existing part for the information 2 Upon creating a new part the user will be prompted via Pop Up window to define assign material and element property The user may either assign properties or disregard this prompt by selecting the Cancel End button Once a part has been created the next step is to generate the desired line data 3 Enter the Geom Menu Geometry Builder Select the Generate Lines command and click the right most mouse button for
131. discussion for details MODEL STATISTICS SELECT SURFACE e Default SELECT BY RANGE SELECT BY DRAG WINDOW SELECT BY PART SELECT ALL DISPLAYED SURFACES REJECT LAST REJECT ALL FEMB User s Manual Version 26 NT 11 12 PART PART END SELECT 6 END SELECT places the surfaces in the target part FEMB User s Manual Version 26 NT 11 13 PART PART KEEP SELECTED PART S ON Turns off all the unselected parts and keeps only the selected part s on The program will automatically re scale the selected part s to fill the screen Part Keep Selected Part s On 1 KEEP SELECTED PART S ON 2 FEMB prompts gt SELECT PART TO KEEP gt PICK AN ELEMENT TO IDENTIFY THE PART 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE REJECT LAST END SELECT 4 END SELECT will exit this function and the selected parts will re plot and re scale to fill the screen automatically FEMB User s Manual Version 26 NT 11 14 PART PART LIST PARTS Lists all the part names and their corresponding PID s Part List Parts FEMB User s Manual Version 26 NT 11 15 PART PART PART S OFF ON Toggles selected parts off or on Part Part s Off On 1 PART S OFF ON 2 FEMB prompts gt SELECT AN ELEMENT TO IDENTIFY THE PART 3 Press right mouse button for other o
132. display the materials in the material table for the user to modify Otherwise the user may enter the values in the Pop Up window FEMB User s Manual Version 26 NT 12 6 MATERIAL PROPERTY MATERIAL PROPERTY CHANGE MATERIAL COLOR Changes the color of selected materials Material Change Material Color 1 CHANGE MATERIAL COLOR 2 FEMB prompts the user to select a material gt PICK AN ELEMENT TO IDENTIFY A MATERIAL 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY MATERIAL REJECT SELECTION END SELECT 4 After selecting the material the prompt reads gt MATERIAL xxx IS SELECTED 5 Color table is displayed in the upper right corner of the graphics area The user may select a color from the table and press the OK button to complete the command 6 The selected material will change to the color selected from the color table FEMB User s Manual Version 26 NT 12 7 MATERIAL PROPERTY MATERIAL PROPERTY DELETE MATERIALS Deletes selected material properties from the database Material Delete Materials 1 DELETE MATERIALS 2 FEMB prompts the user for the target material name gt SELECT AN ELEMENT TO IDENTIFY THE MATERIAL 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY MATERIAL NAME REJECT
133. ds points to an existing line between two points that already exist on the line Geom Add Points To A Line Between Two Points 1 BETWEEN TWO POINTS 2 FEMB prompts gt SELECT A LINE TO WHICH TO ADD POINTS e Ifa line with only the two defined endpoints is selected see Step 5 e If the chosen line has more than two defined points see Step 3 3 FEMB prompts gt SELECT POINT 1 ON THE HIGHLIGHTED LINE 4 After point 1 is selected FEMB prompts gt SELECT POINT 2 ON THE HIGHLIGHTED LINE 5 FEMB prompts gt ENTER THE NUMBER OF POINTS TO BE ADDED e Points are added to the selected line and FEMB returns the user to step 2 FEMB User s Manual Version 26 NT 6 7 GEOMETRY GEOMETRY ADD POINTS TO A LINE AT CURSOR Adds points to an existing line at selected cursor locations Geom Add Points to a Line At Cursor 1 ATCURSOR 2 FEMB prompts gt SELECT A LINE TO WHICH TO ADD POINTS 3 After selecting a line FEMB prompts gt SELECT A CURSOR LOCATION ON THE LINE 4 After the point is created FEMB returns the user to Step 2 FEMB User s Manual Version 26 NT 6 8 GEOMETRY GEOMETRY COMBINE LINES Combines multiple lines into a single line with a new line number The original lines will be deleted after they are combined The line segments should be selected in a logical sequence to form the new line Geom Combine Lines 1 COMBINE LINES 2 FEMB prompts gt SELECT LINES TO COMBINE 3 Press right
134. e screen to place the new label FEMB User s Manual Version 26 NT 18 65 GRAPH GRAPH OPTIONS LABEL CHANGE LABEL COLOR Changes the color of the selected graph s label Graph Options Label Change Label Color 1 CHANGE LABEL COLOR 2 The user will be prompted to select the desired label from the displayed graph Upon selection of the desired label FEMB displays the color bar window prompting the user to select a new color Upon accepting the new color the command is executed FEMB User s Manual Version 26 NT 18 66 GRAPH GRAPH OPTIONS LABEL CHANGE LABEL LOCATION Changes the location of the selected graph s label s Graph Options Label Change Label Location 1 CHANGE LABEL LOCATION 2 The user will be prompted to select the desired label from the displayed graph Upon selection of the desired label FEMB prompts the user to pick a new location for the label Upon picking the new location the command is executed FEMB User s Manual Version 26 NT 18 67 GRAPH GRAPH OPTIONS LABEL CHANGE LABEL SIZE Changes the text size of a selected label Graph Options Label Change Label Size 1 CHANGE LABEL SIZE 2 The user will be prompted in the message window to select the desired label from the displayed graph Upon selection of the desired label FEMB prompts the user to enter a new label size 0 0 10 0 After entering the new size the command is executed FEMB User s
135. ection under Local Coordinate System 6 Once the desired coordinate system is acquired it will be displayed on the screen and the prompt will read via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Go to Step 7 NO Return to Step 5 FEMB User s Manual Version 26 NT 9 19 NODE NODE 7 FEMB prompts for the number of copies and the type of transformation via Pop Up windows gt ENTER NUMBER OF COPIES positive integer gt DO YOU WANT TO MOVE OR ROTATE THE SELECTED OBJECTS MOVE gt ENTER U V W INCREMENTS e ie 0 0 1000 This will copy the selected node s 1000 units along the W axis ROTATE gt ENTER ANGLE INCREMENT e Enter angle increment right hand rule about local W or global Z FEMB User s Manual Version 26 NT 9 20 NODE NODE MOVE NODE TO POINT NODE Moves referenced or unreferenced nodes to any location on the display screen Node Move Node to Point Node 1 2 MOVE NODE TO POINT NODE FEMB prompts gt SELECT NODE TO MOVE Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default REJECT LAST END SELECT e Jfa coincident node is encountered skip to Step 6 After selecting a node FEMB prompts for a new location for the nodes gt SELECT DESTINATION NODE Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STAT
136. em local or global FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System 3 Once the desired coordinate system is selected it will be displayed on the screen and the prompt will read via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Go to Step 4 NO Returns to Step 2 4 FEMB prompts via Pop Up window gt ENTER DISTANCE FROM PLANE W e Users may now input a distance along the W axis from the selected coordinate system s origin e Any real value is a valid response e The section line will be created at a distance W along the UV plane 5 FEMB prompts gt SELECT LINE 6 After selecting the desired lines END SELECT proceeds with the section creation FEMB User s Manual Version 26 NT 6 16 GEOMETRY GEOMETRY SPLIT LINE Splits a line at the desired cursor location nearest point or at an intersection with another line Geom Split Line 1 SPLIT LINE 2 FEMB prompts gt SELECT A LINE TO SPLIT 3 Once the desired line is selected FEMB prompts gt SELECT A POINT LOCATION TO SPLIT LINE 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS POINT ON LINE CURSOR e Default POINT OF INTERSECTION BY LINE 2 REJECT LAST END SELECT 5 Selecting either of the options me
137. emesh the region 6 If NO is selected FEMB prompts via Pop Up window gt WOULD YOU LIKE TO REMESH THE REGION Y N YES Prompts for the number of elements along each line NO Ends the command FEMB User s Manual Version 26 NT 8 26 ELEMENT ELEMENT PLATE SOLID MESH 3 LINE MESH Generates elements in an area defined by 3 lines line direction is not important The lines defining the area do not have to intersect an open area is possible Elements will be included in the Current Part The Current Part should be verified before proceeding with this function Two mesh patterns are available for 3 Line Mesh Due to the geometry of 3 Line Mesh the triangular shape FEMB will generate some triangular elements and the user can choose where to place triangular elements Elem Plate Solid Mesh 3 Line Mesh 1 3 LINE MESH 2 FEMB prompts gt USING THE RIGHT HAND RULE SELECT 3 LINES TO DEFINE THE MESH REGION 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT LINE e Default LINE SEGMENT REJECT LAST END SELECT e Line Segment allows the user to combine a broken line while selecting lines for the 3 Line Mesh function as in the Combine Line function in the Geometry Builder Menu The user must select this option before selecting the desired lines for 3 Line Mesh e The user may check the line s prior to executing this function by using Show Line in G
138. ent name Select the Cancel button to exit the function without creating a new property 3 After entering the property name a Pop Up window appears and FEMB displays a list of LS DYNA3D property types gt SELECT ELEMENT PROPERTY TYPE SOLIDS BEAMS 4 NODE PLATES SPRINGS amp DAMPERS 4 FEMB prompts the user to define the element formulation e A Pop Up window appears depending on the element type of property selected 5 FEMB prompts gt DEFINE MODIFY DATA 6 FEMB displays a property table for the appropriate property type for the user to fill in the values FEMB User s Manual Version 26 NT 13 2 ELEMENT PROPERTY ELEMENT PROPERTY ASSIGN PROPERTY Assigns element physical properties to selected parts Prop Assign Property 1 ASSIGN PROPERTY 2 FEMB prompts the user to select a property gt SELECT PROPERTY gt SELECT ELEMENT TO IDENTIFY PROPERTY 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY PROPERTY NAME REJECT SELECTION END SELECT e The user may select an existing property by picking an element on the screen with the desired property default or by selecting a property by name e If no properties are present in the database the user will be prompted with the message NO PROPERTIES DEFINED IN DATABASE and the command prompt will return 4 FEMB prompts the user to select parts to ass
139. eometry Builder 4 Once the user selects the desired lines FEMB prompts via Pop Up window gt CORNER OR EDGE TRIANGLE MESH PATTERN CORNER e Triangles are concentrated in the vertex of the first two selected lines gt ENTER THE NO OF ELEMENTS ALONG EACH LINE L1 AND L3 FEMB User s Manual Version 26 NT 8 27 ELEMENT ELEMENT EDGE e Triangles are concentrated along the third selected line gt ENTER NUMBER OF ELEMENTS ALONG EACH SIDE e FEMB accepts only one entry as each side has the same number of elements 5 FEMB prompts via Pop Up window gt DO YOU ACCEPT THE GENERATED MESH Y N YES Accepts mesh and places newly created elements in the Current Part NO FEMB prompts to remesh the region FEMB User s Manual Version 26 NT 8 28 ELEMENT ELEMENT PLATE SOLID MESH 4 LINE MESH Generates elements in an area defined by 4 selected lines A rectangular pattern of L1 L2 L3 by L4 quadrilateral elements will be generated where L1 is the number of elements along the direction of the first selected line and L2 is the number of elements along the direction of the second selected line etc For transition mesh it is possible to enter L3 and L4 parameters for the mesh i e each side has a different number of elements such as 10 5 8 7 The nodes in L2 direction are generated by linear interpretation between the opposing nodes on the two lines A row of L2 quadrilateral elements are generated from the s
140. es points for element gt PICK NODES POINTS gt AT INDEPENDENT NODE 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT NEW ELEMENT REJECT LAST END SELECT e To create the elements the user may select a node point keyboard entry or any combination of the three 5 Once the desired node or point has been selected FEMB prompts gt AT DEPENDENT NODE e The user may select up to 6 dependent nodes 6 Once the dependent node s is selected END SELECT completes the process and returns to Step 3 FEMB User s Manual Version 26 NT 8 3 ELEMENT ELEMENT CREATE ELEMENTS PLATE ELEMENT Creates three and four node plate elements Elem Create Elements Plate Element 1 PLATE ELEMENT 2 FEMB prompts gt PICK NODES POINTS gt PICK NODE FOR ELEMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT NEW ELEMENT REJECT LAST END SELECT e The user may select a node point keyboard entry or any combination of the three to create an element e A3 node element requires 3 nodes or points to be selected followed by END SELECT FEMB User s Manual Version 26 NT 8 4 ELEMENT ELEMENT CREATE ELEMENTS SOLID ELEMENT Creates four six and eight node solid elements Elem Create Element Solid Element 1 SOLID ELEMENT
141. f the following options New Open Save Save AS Analysis Type Auto Protect cale Font Re arrange vvindows Print Setup Print Exit A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 5 1 FILE FILE When opening reading or saving writing files a display window appears on the screen with the following options which are described below File Name Open a Database File Directories rcforc e fembnt95 examples defore elout glstat matsum nodout reforc secfore List Files of Type LS DYNA3D Graph rcforc DRIVES gt ey gt fembnt95 gt examples etadir iges 5 temp Drives a e gateway4_e OK Cancel Help Allows the user to specify the disk drive where the data will be read from written to DIRECTORIES Allows the user to navigate through the directories when opening saving files FILE NAME Allows the user to specify the name the file to open save LIST FILES OF TYPE Allows the user to specify the type of file to open save The available file types are FEMB Binary FEMB Line FEMB Graph Post LS DYNA3D LS DYNA3D Graph NASTRAN All Files fmb lin col Ist pp his dyn dat d3plot nas x ok FEMB User s Manual Version 26 NT 5 2 FILE FILE NETWORK WINDOW Allows the user to
142. gs for selection After selection FEMB prompts for VOLUME PRESSURE INTERNAL ENERGY DM DT IN e Change in mass change in time DENSITY DM DT OUT e Change in mass change in time TOTAL MASS GAS TEMPERATURE 3 The user can select multiple items in this menu data the graph will be displayed Once the user accepts the FEMB User s Manual Version 26 NT 18 13 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH NODAL FORCE GROUPS Plots data from the lt nodfor gt file File Open Files Of Type LS DYNA3D Graph NODFOR 1 NODAL FORCE GROUPS 2 Upon entry of the nodfor file FEMB lists all possible selections of node group numbers After selecting the group the available node numbers must be chosen 3 After selecting the node numbers FEMB prompts for X FORCE Y FORCE Z FORCE ENERGY 4 The user can select multiple items in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 14 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH RIGID BODY DATA Plots rigid body data from the lt rbdout gt file File Open Files Of Type LS DYNA3D Graph RBDOUT 1 RIGID BODY DATA 2 Upon entry of the rbdout file FEMB lists the available rigid bodies for selection After selecting FEMB prompts RIGID_BODY_TIME_HIS X_DISPLACEMENT Y_DISPLACEMENT Z_DISPLACEMENT X_ROTATION Y_ROTATION Z_ROTATION X_VELOCITY Y_VELOCITY Z_VELOCITY XR_VELOCITY YR_VELOCITY ZR_
143. h node and element sets Elements may be included in multiple element sets Set Create Element Set 1 CREATE ELEMENT SET 2 FEMB prompts via Pop Up window gt ENTER ELEMENT SET NUMBER e Any integer greater than zero 0 is valid e Ifthe selected element set ID number is previously defined FEMB will return the prompt gt ELEMENT SET xxxx ALREADY EXISTS 3 FEMB prompts gt SELECT ELEMENTS 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST END SELECT e If the same element is selected twice while creating the same element set FEMB will return the prompt via Pop Up window gt ELEMENT xxxx ALREADY PICKED e END SELECT executes the command FEMB User s Manual Version 26 NT 16 3 SET MENU SET MENU DELETE NODE SET Removes node sets by node set ID number It is not possible to remove element sets from this sub menu because FEMB is looking specifically for node sets Set Delete Node Set 1 DELETE NODE SET 2 FEMB prompts via Pop Up window gt DELETE ALL NODE SETS Y N YES e FEMB confirms with O K TO DELETE ALL NODE SETS YES All node sets will be deleted NO No node set will be deleted FEMB returns to main menu NO e FEMB displays node sets available for deletion via Pop Up window 3 FEMB prompts via Pop Up window gt
144. h time Find Common Nodes is used the common node group list is updated and the Common Node On Off switch is turned on The common node locations will be designated by a small white box Common nodes will continue to be shown in all menu selections until turned off using Common Nodes On Off Node Find Common Nodes FEMB User s Manual Version 26 NT 9 31 NODE NODE FIND NODE Locates and determines the X Y Z coordinates of a specific node number in parts that are displayed on the screen When a displayed node ID number is entered the node number is displayed on the screen at the node location The node number and X Y Z coordinates will also be displayed in the message display area of the screen Node Find Node 1 FIND NODE 2 FEMB prompts via Pop Up window gt ENTER NODE NUMBER e A positive integer is a valid entry 3 If the node number entered is on the screen the following message will echo to the command line gt NODE xxxx X x xxxx Y y yyyy Z Z zzzz 4 If the node number entered is not used in the FEMB database file the following message will echo to the command line gt NODE IS NOT IN DATABASE e The prompt in Step 2 will repeat until Cancel End is selected FEMB User s Manual Version 26 NT 9 32 NODE NODE IDENTIFY NODES POINTS Identifies any point or node and its corresponding global location in X Y Z coordinates Node Identify Nodes Points 1 2 IDENTIFY NODES POINTS FEMB pro
145. he data the graph will be displayed FEMB User s Manual Version 26 NT 18 17 GRAPH GRAPH FILE OPEN FEMB GRAPH LIST DIRECTED FEMB allows the user to display graph data in a neutral format FEMB ASCII file Ist The formats are called list directed and column directed File Open Files Of Type FEMB Graph List Directed 1 2 LIST DIRECTED FEMB prompts via Pop Up window for the filename Once chosen the graph is displayed The list directed format is described below RECORD1 N RECORD 2 N1 TITLE RECORD3 XDATAI YDATAI RECORD 2 N1 NDATANI YDATANI RECORD 3 NI N2 TITLE FOR CURVE RECORD 4 N1 XDATAI YDATAI etc Where N NUMBER OF CURVES N1 NUMBER OF POINTS ON THE FIRST CURVE N2 NUMBER OF POINTS ON THE SECOND CURVE TITLE TITLE WITH A MAXIMUM OF 20 CHARACTERS Note The title must be 1 Separated from N1 N2 etc by a comma 2 Enclosed in single quotes 3 The file should have the extension st Note All graphs saved within the Graph menu are saved in list directed format FEMB User s Manual Version 26 NT 18 18 GRAPH GRAPH FILE OPEN FEMB GRAPH COLUMN DIRECTED Column directed format col allows the user to plot multiple sets of Y data for the same X data i e material energy vs time for three different parts File Open Files Of Type FEMB Graph Column Directed 1 COLUMN DIRECTED 2 FEMB prompts for the filename Once chosen the graph
146. he arc will be created FEMB User s Manual Version 26 NT 6 3 GEOMETRY GEOMETRY GENERATE ARC ARC ABOUT A CENTER Generates an arc or a circle around a selected center point The created arc will be included in the Current Part Geom Generate Arc Arc About a Center 1 2 ARC ABOUT A CENTER FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB is asking for a desired coordinate system local or global FEMB prompts the user to create a local coordinate system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System Once the desired coordinate system is created it will be displayed on the screen and the prompt will read via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Goto Step 4 NO Goto Step 2 If the user selects YES FEMB prompts via Pop Up window gt DEFINE ARC ENTER RAD THETA 1 THETA 2 AND INC e RAD radius of arc THETA 1 beginning angle of arc or circle e THETA 2 ending angle of arc or circle e INC angle increment between points default is 5 degrees e Any real value greater than zero is valid i e 100 0 360 10 is a circle with a radius of 100 units and an increment of 10 degrees between points Note Arcs and circles are generated about the local W or global Z axis FEMB User s Manual Version 26 NT 6 4 GEOMETRY
147. he data has been received FEMB has the ability to quickly and easily manipulate both line and surface data If CAD data is not available FEMB s many Geometry Builder functions allow the user to create complex lines splines and surfaces FEMB improves productivity by greatly reducing the time required to create the finite element model Engineers build finite element models more quickly and easily with FEMB than with any other program FEMB provides users with many powerful commands to complete each of their tasks In addition to offering the instant AUTOMESHING of surfaces FEMB offers various line meshing techniques without the need for common end points or intersections between lines FEMB 26 NT was designed with the LS DYNA3D user in mind FEMB 26 NT allows the user to create and assign material and element properties and sliding and rigidwall interfaces directly to the model MESH GENERATION FEMB has an impressive list of pre processing functions enabling engineers to produce high quality FEA models more efficiently than with other contemporary software AUTOMESHING Automatic Surface Data Meshing is probably the most exciting new feature of FEMB 26 NT It promises to change the way people view modeling This easily eliminates a majority of the time required to mesh trimmed and standard IGES surfaces FEMB User s Manual Version 26 NT 1 1 GNTRODUCTION INTRODUCTION ENHANCED SOLID MESHING FEATURES New commands ge
148. he following sections FEMB User s Manual Version 26 NT 15 1 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS CREATE NEW LOAD SET Defines a new load set The load set may be used in the subcase definition Boundary Condition Loading Options Create New Load Set 1 2 CREATE NEW LOAD SET FEMB prompts via Pop Up window gt ENTER LOAD SET NUMBER XXXX e Default is the next available load set number FEMB warns the user if there are no Load sets defined in the database FEMB prompts via Pop Up window gt ENTER NODAL FORCE FX FY FZ MX MY MZ e F FORCE single arrow M MOMENT double arrow e Real numbers or integers are acceptable gt DEFINE FORCE LOCATION SELECT NODES Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT Choose END SELECT when done selecting nodes 6 Choose CANCEL END when done selecting nodal forces 7 FEMB prompts gt ENTER ELEMENT PRESSURE LOAD e Allows the user to apply pressure loads to the element centers in the FEMB model Distributed element pressure loads are applied normal to element surface Positive pressure loads are in the same direction as the positive element normal according to the right hand rule Negative pressure loads are in the opposite direction FEMB User s Manual Version 26 NT 15 2 BOUNDARY CON
149. he interface menu I F Create Interface Sliding Interface 1 SLIDING 2 FEMB displays a list of 23 available interface types and prompts gt SELECT THE CONTACT INTERFACE TYPE 1 SLIDING_ONLY 2 TIED_SURFACE_TO_SURFACE 3 SURFACE_TO_SURFACE 4 SINGLE_SURFACE 5 NODES_TO_SURFACE 6 TIED_NODES_TO_SURFACE 7 TIED_SHELL_EDGE_TO_SURFACE 8 TIEBREAK_NODES_TO_SURFACE 9 TIEBREAK_SURFACE_TO_SURFACE 10 ONE_WAY_SURFACE_TO SURFACE 13 AUTOMATIC_SINGLE_SURFACE 14 ERODING_SURFACE_TO_SURFACE 15 ERODING_SINGLE_SURFACE 16 ERODING_NODES_TO_SURFACE 17 CONSTRAINT_SURFACE_TO_SURFACE 18 CONSTRAINT_NODES_TO_SURFACE 19 RIGID_BODY_TWO_WAY_TO_RIGID_BODY 20 RIGID_NODES_TO_RIGID_BODY 21 RIGID_BODY_ONE_WAY_TO_RIGID_BODY 22 SINGLE_EDGE 23 DRAWBEAD 3 After choosing an interface FEMB displays the Interface Properties Pop Up window where the user can specify the interface properties and prompts gt DEFINE MODIFY DATA FEMB User s Manual Version 26 NT 14 3 INTERFACE MENU INTERFACE MENU CREATE INTERFACE RIGIDWALL S Creates rigidwall s within the interface menu I F Create Interface Rigidwall s 1 RIGIDWALL S 2 FEMB prompts user to enter a rigidwall name via Pop Up window 3 FEMB lists the current rigidwall type in the prompt area and displays a list of 8 available interface types and prompts gt DEFINE RIGIDWALL SIZE amp SHAPE INFINITE FLAT SURF FINITE FLAT SURF EXTRA NODE amp S F ACTIVATE amp 2 MOVING FLAT
150. here RZ angular velocity in the z direction Once the initial velocity is entered FEMB prompts gt DEFINE LOCATION FOR INITIAL VELOCITY gt SELECT NODES Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 5 Choose END SELECT when done selecting nodes 6 Choose CANCEL END when all initial velocities are defined FEMB User s Manual Version 26 NT 15 16 BOUNDARY CONDITIONS BOUNDARY CONDITIONS INITIAL VELOCITY CLEAR INITIAL VELOCITY Removes all initial velocities from the model Boundary Conditions Initial Velocity Clear Initial Velocity 1 CLEAR INITIAL VELOCITY 2 FEMB prompts via Pop Up window gt O K TO REMOVE ALL INITIAL VELOCITIES YES NO YES All initial velocities are removed from the model NO The command is completed without removing the initial velocities FEMB User s Manual Version 26 NT 15 17 BOUNDARY CONDITIONS BOUNDARY CONDITIONS INITIAL VELOCITY REMOVE INITIAL VELOCITY Deletes individual initial velocities from specific nodes Boundary Conditions Initial Velocity Remove Initial Velocity 1 REMOVE INITIAL VELOCITY 2 FEMB prompts gt SELECT NODES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE
151. hout materials assigned to them will be displayed in white Material Display Materials 1 DISPLAY MATERIALS FEMB User s Manual Version 26 NT 12 14 MATERIAL PROPERTY ELEMENT PROPERTY ELEMENT PROPERTY The functions in this menu are designed to define and modify the element physical properties in the database Once the Element Property Menu is selected the displayed parts will be shown in the property color Parts without property definitions will be shown in white The element properties created will be LS DYNA3D specific The user may assign and create materials at the beginning or end of the FEMB session The functions in the Element Property Menu are organized as follows SCE i EH Create Property Assign Property Jo yee Edit Property Change Elem Property Color Change Elem Property ID Change Elem Property Name Delete Elem Property PAIS PLAY List Elem Properties Elem Properties OFF ON With Parts Display Element Properties A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 13 1 ELEMENT PROPERTY ELEMENT PROPERTY CREATE PROPERTY Creates a new property Prop Create Property 1 CREATE PROPERTY 2 FEMB prompts via Pop Up window gt ENTER NAME OF NEW ELEM PROPERTY e Enter the new property name and click the Accept button to define the new property FEMB checks if the entered name already exists If so FEMB prompts for a differ
152. ides the choices for strain based on the user s LS DYNA3D input file 4 Upon component selection FEMB plots the desired contour FEMB User s Manual Version 26 NT 17 13 POST PROCESSING POST PROCESSING CHANGE CONTOUR COLOR Defines the color of each contour level Post Change Contour Color 1 CHANGE CONTOUR COLOR 2 FEMB prompts via Pop Up window gt ENTER THE CONTOUR LEVEL 1 14 3 FEMB prompts via Pop Up window gt SELECT COLOR FEMB displays the color bar in the upper right corner of the screen FEMB User s Manual Version 26 NT 17 14 POST PROCESSING POST PROCESSING RESET CONTOUR COLOR Returns the contour color bar to its original setting This is useful to undo the Change Contour Color command Post Reset Contour Color FEMB User s Manual Version 26 NT 17 15 POST PROCESSING POST PROCESSING SECTION CUT Cuts a plane to expose the inside of the model during post processing functions The cutting plane is defined by the user Section cut is a two level toggle switch Selecting Section Cut the first time will create a section cut The next time it is selected the section cut is deactivated Post Section Cut 1 SECTION CUT 2 FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under
153. ign the property to gt SELECT PART TO ASSIGN PROPERTY gt PICK AN ELEMENT TO IDENTIFY THE PART 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE FEMB User s Manual Version 26 NT 13 3 ELEMENT PROPERTY ELEMENT PROPERTY REJECT LAST END SELECT 6 The element property will be assigned to the elements in the selected parts Use the right mouse button and select END SELECT to exit The selected parts will be shown in the property color after exiting FEMB User s Manual Version 26 NT 13 4 ELEMENT PROPERTY ELEMENT PROPERTY EDIT PROPERTY Edits the property values of the selected element property Prop Edit Property 1 2 EDIT PROPERTY FEMB prompts the user to select a property gt SELECT ELEMENT TO IDENTIFY PROPERTY Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY PROPERTY NAME REJECT SELECTION END SELECT After selecting the property FEMB prompts via Pop Up window gt PROPERTY XXX IS SELECTED gt CURRENT ELEMENT FORMULATION IS XxxxxX e A Pop Up window appears depending on the element type of property selected The user can select a proper element formulation to edit or modify If the properties of the selected element formula
154. ine data that exists in a database Display Section Lines Default Turns on off the section lines The section lines are present within a surface the dashed inner lines FEMB User s Manual Version 26 NT 19 2 DISPLAY PROPERTIES DISPLAY PROPERTIES Display Surface Normals Displays surface orientation as an arrow perpendicular to the surface s centroid Display Element Normals Displays element orientations as an arrow perpendicular to the element s surface at the centroid Display Local Coordinate System Displays local coordinate systems that exist in the database Display Surfaces Turns on off surfaces in a database Display Slave Nodes Default Turns on off slave nodes in a database Display Segment Normals Displays the normal vectors for master and slave segments in a database Label Elements Turns element labels on off When selected all the displayed elements in the database will show their element ID numbers Label Nodes Turns on off node labels When selected all the displayed nodes in the database will show their node numbers Shrink Elements Plots the elements with their size reduced by 20 percent This causes the model to appear as if there is a space between each element FEMB User s Manual Version 26 NT 19 3 DISPLAY PROPERTIES
155. ions than those listed above LOCAL COORDINATE SYSTEM FEMB refers to the local or global coordinate system to translate rotate mirror copy and generate points lines nodes and elements When such a function is selected the program automatically prompts the user to generate a local coordinate system designated as the U V W coordinate frame Either one two or three reference points are required to establish a local coordinate system The first reference point defines the local origin For a three point system the second reference point defines the direction of the local U axis which is extended from the first reference point The third reference point along with the first two reference points define the local U V plane The local V axis is defined in the U V plane and perpendicular to the U axis The local W axis is then defined according to the right hand rule perpendicular to the U V plane For the two reference point option End Select should be selected click the right most mouse button for available options after the second reference point is defined The local W axis lies along the vector from the origin to the second reference point and the V axis lies in the V W plane The U axis is defined by the right hand rule Note All rotational commands i e generating arcs copy with rotating etc execute around the local W or global Z axes For a one reference point system the user selects a point or node on the screen as the lo
156. it Element Into 2 Quads 1 INTO 2 QUADS 2 FEMB prompts gt SELECT ELEMENT TO SPLIT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY PART DRAG WINDOW REVERSE OPERATION REJECT LAST END SELECT FEMB User s Manual Version 26 NT 8 44 ELEMENT ELEMENT SPLIT ELEMENT INTO 4 QUADS Divides one 4 node plate element into four 4 node plate elements Elem Split Element Into 4 Quads 1 INTO 4 QUADS 2 FEMB prompts gt SELECT ELEMENT TO SPLIT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY PART DRAG WINDOW REVERSE OPERATION e Changes the split direction for splitting elements into 4 quads This option does not apply for group operations REJECT LAST END SELECT FEMB User s Manual Version 26 NT 8 45 ELEMENT ELEMENT SPLIT ELEMENT INTO 2 TRIAS Divides one 4 node plate element into 2 triangular plate elements Elem Split Element Into 2 Trias 1 INTO 2 TRIAS 2 FEMB prompts gt SELECT ELEMENT TO SPLIT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY PART DRAG WINDOW REVERSE OPERATION e Reverses the split direction for splitting elements into 2 triangles This option does not app
157. l line selections 3 See 6 Line Solid Mesh for further details FEMB User s Manual Version 26 NT 8 35 ELEMENT ELEMENT PLATE SOLID MESH 12 LINE SOLID MESH Generates 8 node solid elements automatically in a volume The volume is defined by 12 lines 4 lines for the top surface 4 lines for the bottom and 4 lines connecting the top and bottom see 8 Line Solid Mesh Elem Plate Solid Mesh 12 Line Solid Mesh 1 12 LINE SOLID MESH 2 FEMB prompts gt USING THE RIGHT HAND RULE SELECT 4 LINES TO DEFINE THE BOTTOM FACE gt IN THE SAME SEQUENCE AS THE BOTTOM SELECT 4 LINES TO DEFINE THE TOP FACE gt IN THE SAME DIRECTION LE CLOCKWISE COUNTERCLOCKWISE SELECT 4 LINES ON THE SIDES STARTING BETWEEN LINES 1 amp 4 e 12 Line Solid Mesh is similar to 8 Line Solid Mesh with the exception of the 4 connecting lines e User should be consistent in line selection direction clockwise counterclockwise for all line selections 3 See section 8 Line Solid Mesh for further details FEMB User s Manual Version 26 NT 8 36 ELEMENT ELEMENT COARSE ELEMENTS Coarsens up to four 4 plate elements into one 1 plate element Elem Coarse Elements 1 COARSE ELEMENTS 2 FEMB prompts the user to select 2 3 or 4 elements gt SELECT N ADJACENT QUAD ELEMENTS WHERE N IS LESS THAN 4 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE
158. liding interface energy Joint force file FEMB User s Manual Version 26 NT 18 3 GRAPH GRAPH The remaining seven shown in the following list will be supported in future versions of FEMB NCFORC Nodal interface forces DEFGEO Deformed geometry file SPCFORC SPC reaction forces SWFORC Nodal constraint reaction forces spotwelds and rivets BNDOUT Boundary condition forces and energy GCEOUT Geometric contact entities SBTOUT Seat belt output file FEMB User s Manual Version 26 NT 18 4 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH CROSS SECTION FORCES Plots cross section data from the lt secforc gt file File Open Files Of Type LS DYNA3D Graph SECFORC 1 CROSS SECTION FORCES 2 Upon entry of the secforc file FEMB lists the available sections for selection After selection FEMB prompts for X_FORCE Y_FORCE Z_FORCE TOTAL_FORCE X_MOMENT Y_MOMENT Z_MOMENT TOTAL_MOMENT X_CENTROID Y_CENTROID Z_CENTROID AREA 3 The user can select multiple items in this menu Once the user accepts the data the graph will be displayed FEMB User s Manual Version 26 NT 18 5 GRAPH GRAPH FILE OPEN LS DYNA3D GRAPH WALL FORCES Plots rigid wall force data from the lt rwforc gt file File Open Files Of Type LS DYNA3D Graph RWFORC 1 WALL FORCES 2 Upon entry of the rwforc file FEMB lists the available rigid walls for selection After selection FEMB prompts for NORMAL FORCE X_FORCE Y_FORCE
159. ly for group operations REJECT LAST REJECT ALL END SELECT FEMB User s Manual Version 26 NT 8 46 ELEMENT ELEMENT COPY ELEMENTS Generates a set of duplicate elements The user may simultaneously translate rotate or offset in the normal direction the copied elements Elem Copy Elements 1 2 COPY ELEMENTS FEMB prompts gt SELECT ELEMENTS Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST REJECT ALL END SELECT Once desired elements have been selected END SELECT continues to the next step where FEMB prompts via Pop Up window gt ENTER NUMBER OF COPIES FEMB prompts via Pop Up window gt SELECT COPY OPTION MOVE ROTATE NORMAL OFFSET FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB is asking for a desired coordinate system local or global FEMB prompts the user to create a local system A thorough FEMB User s Manual Version 26 NT 8 47 ELEMENT ELEMENT explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System FEMB User s Manual Version 26 NT 8 48 ELEMENT ELEMENT 7 Once the coordinate system is determined FEMB prompts for the magnitudes of transformation respective t
160. mpts gt SELECT A NODE FOR IDENTIFICATION Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default POINT END SELECT If node is selected the number of the node nearest the cursor location will print on the screen The following message will echo on the command line gt NODE xxxx X x xxx Y y yyy Z 2Z zzz If point is selected the number of the point nearest the cursor location will print on the screen The following message will echo on the command line gt BOUNDARY POINT xxxx X XX Y YY Z ZZ A boundary point is a point that defines the edge of a surface FEMB User s Manual Version 26 NT 9 33 NODE NODE PART CONNECTION Determines the part names and the part identification number PID of all the parts that share the selected node If more than one line is required to list all connecting parts an arrow is displayed on the right of the prompt line to tell users to click the mouse button to continue the list The node number is not issued to the user The user message is displayed in the FEMB prompt area of the screen and the nodes are highlighted with a small white circle Nodes do not need to be displayed for selection by keyboard entry Node Part Connection 1 PART CONNECTION 2 FEMB prompts gt SELECT NODE TO SHOW PART CONNECTION 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details M
161. n 26 NT 10 11 CHECK CHECK CHECK PLATE NORMALS Draws a white boundary line between displayed elements with opposing normals Check Check Plate Normals 1 CHECK PLATE NORMALS 2 FEMB will highlight the boundary between elements that have opposing normals and will echo the following message gt PLATE NORMAL CHECK COMPLETED e When three or more plates connect at a common edge the boundary will be highlighted FEMB User s Manual Version 26 NT 10 12 CHECK CHECK CHECK RIGID LINKS Checks the connectivity and length of all rigid elements Rigid bodies that are loose zero length double dependent cyclic redundant and exceed the user s length criteria will be highlighted Check CHECK RIGID LINKS 1 CHECK RIGID LINKS 2 FEMB prompts via Pop Up window gt LIST RIGID LINKS THAT ARE LONGER THAN A CERTAIN LENGTH Y N YES Proceed to Step 3 NO Proceed to Step 4 3 FEMB prompts gt ENTER LENGTH CRITERIA e Any real number zero or greater is acceptable 4 FEMB prompts gt ENTER NO OF RIGID LINK STACKS TO BE CHECKED lt 10 5 User has the option to place failed elements into new parts If the user opts to place the failed elements into a new part the following part names will automatically be created r xlong e RIGIDs that fail length check r duplic e Degenerate RIGIDs r cyclic e Two RIGIDs sharing the same two nodes in an independent dependent node loop r double e RIGIDs with d
162. nd Trim Line Closed or End Trim Line Open upon completion of point selections and then see Step 6 FEMB User s Manual Version 26 NT 7 13 SURFACE SURFACE CREATE CIRCLE gt SELECT THE CENTER OF THE CIRCLE e Cuts circles on the selected surface The user may select any location on the selected surface via mouse pick to define the circle e The user may pick anywhere on the surface to define the center gt SELECT A POINT ON THE CIRCLE e The second point selected on the surface defines the radius of the circle The circle will then be drawn Once this is complete see Step 6 SELECT INTERSECTION e Trims out the intersection of two surfaces gt SELECT SURFACE FOR TRIM OPERATION Note This surface will be called the primary surface for ease of reference in this section gt SELECT THE SECOND SURFACE e Upon selection of the second surface a boundary line will be drawn between the two intersecting surfaces Note This surface will be called the secondary surface for ease of reference in this section Once this step is completed see Step 6 REJECT LAST POINT REJECT ALL END TRIM LINE CLOSED e Defines a closed linear segment spline curve passing through all the points selected END TRIM LINE OPEN e Defines a linear segment spline curve passing through all the points selected with the first and last point selected as the starting and ending points of the curve segments FEMB User s Manual Version 26 NT 7
163. ne Graph 1 CURVES IN ONE GRAPH 2 The user will be prompted to select a desired graph via Pop Up window Once the graph has been selected FEMB prompts the user for a filename Upon filename entry all curves in the selected graph will be saved FEMB User s Manual Version 26 NT 18 81 GRAPH GRAPH SAVE CURVES CURVES IN CURRENT GRAPH Saves all curves in the current graph Graph Save Curves Curves In Current Graph 1 CURVES IN CURRENT GRAPH 2 FEMB prompts via Pop Up window gt ENTER FILE NAME 3 If the filename already exists FEMB asks if you want to overwrite it FEMB User s Manual Version 26 NT 18 82 GRAPH GRAPH SAVE CURVES ALL CURVES Saves all existing curves Graph Save Curves All Curves 1 ALL CURVES 2 FEMB prompts via Pop Up window gt ENTER FILE NAME e If the filename already exists FEMB asks if you want to overwrite it e All curves created in the current FEMB session will be stored FEMB User s Manual Version 26 NT 18 83 GRAPH DISPLAY PROPERTIES DISPLAY PROPERTIES The Display Properties Menu is accessible through its icon on the tool bar It is a menu of toggle switches which allow the user to select from various ways to display information contained in the FEMB database The Accept button will execute the chosen options and the Cancel button will exit the menu without any changes occurring to the display screen Display Properties Display Mode Display
164. nerate solid elements quickly and easily FEMB automatically creates solid elements from 6 8 9 and 12 sided volumes defined by lines Also available are three different options to extrude plate elements into solids 1 Line Drag Mesh Normal Drag Mesh 4 Line Drag Mesh MESH EDITING FEMB has many tools available to the user to quickly manipulate displayed elements such as split coarse and modify element Other tools allow the user to project F E meshes onto surfaces or an existing mesh as well as onto a plane The user may also scale move rotate reflect and copy partial or entire models MATERIAL PROPERTIES The ability to create and assign materials and element properties directly to the displayed model within FEMB greatly reduces the amount of editing required Pop Up menus appear at specific junctions in the FEMB session prompting the user for material element properties This allows the user to assign specific materials and properties to the F E model Currently FEMB supports nineteen LS DYNA3D material types Material types 1 2 3 6 7 12 20 24 26 27 37 57 66 67 68 69 70 71 and 75 CONTACT INTERFACE The Interface Menu option within FEMB s Main menu allows the user to create and assign sliding or rigidwall interfaces for LS DYNA3D applications FEMB presents the interface types clearly and concisely FEMB also provides the user with a high degree of speed and flexibility upon creating and modifying the interface
165. nnn E G 1234 2345 6 FEMB prompts gt CURRENT RIGIDWALL MOTION CONDITION IS FIXED RIGIDWALL gt SELECT RIGIDWALL MOTION CONDITION FIXED RIGIDWALL FEMB User s Manual Version 26 NT 14 7 INTERFACE MENU INTERFACE MENU MASS amp INIT VEL VEL BY LOAD CURVE DIS BY LOAD CURVE EXIT e Choosing any of the Define Rigidwall Motion Condition options displays a Pop Up window specific to the option Each of these options are described under the CREATE INTERFACE RIGIDWALL INFINITE FLAT SURFACE command FEMB User s Manual Version 26 NT 14 8 INTERFACE MENU INTERFACE MENU CREATE INTERFACE RIGIDWALL S EXTRA NODE AND S F Creates an extra node and S F section of the rigidwall s I F Create Interface Rigidwall s Extra Node and S F 1 2 EXTRA NODE ANDS F FEMB prompts user to enter name for the rigidwall via Pop Up window gt ENTER NAME FOR NEW INTERFACE FEMB prompts gt DEFINE LOCAL COORDINATE SYSTEM FOR RIGIDWALL gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System e Rigidwalls are defined in the U V plane The three nodes selected will define the local U V plane Once the user defined coordinate system for the rigidwall has been accepted the user must select the rigidw
166. ntioned above splits the line and FEMB returns the user to step 4 END SELECT performs the operation and exits the function FEMB User s Manual Version 26 NT 6 17 GEOMETRY GEOMETRY COPY AND TRANSFORM LINES Generates a set of duplicate lines The user can translate or rotate the copied lines Geom Copy and Transform Lines 1 COPY AND TRANSFORM LINES 2 FEMB prompts gt SELECT LINES TO COPY gt SELECT LINE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY LINE e Default SELECT BY PART SELECT BY DRAG WINDOW REJECT LAST END SELECT 4 After choosing END SELECT to complete line selection FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB is asking for a desired coordinate system local or global FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System 5 Once the desired coordinate system is selected it will be displayed on the screen and the prompt will read via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Goto Step 6 NO Returns to Step 4 6 FEMB prompts via Pop Up window gt ENTER THE NUMBER OF COPIES FEMB User s Manual Version 26 NT 6 18 GEOMETRY GEOMETRY 7 FEMB prompts via Pop Up window gt SELECT
167. nts DISPLACEMENT X COORDINATE Y COORDINATE FEMB User s Manual Version 26 NT 17 4 POST PROCESSING POST PROCESSING Z COORDINATE TOTAL For STRAIN contours select from the following components STRAIN PSTN MID PSTN BOT NOR_STRAIN EPS_XX BOT EPS_YY TOP EPS_ZZ MID PRSTRNI BOT etc Note FEMB provides the choices for strain based on the user s LS DYNA3D input file 5 As animation begins press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS INDIVIDUAL FRAME END SELECT 6 END SELECT returns to the Post Processing Menu FEMB User s Manual Version 26 NT 17 5 POST PROCESSING POST PROCESSING ANIMATE DEFORMATION Animates displacement results from transient analysis in real time irrespective of the Contour Option setting on the Display Properties Pop Up window Post Animate Deformation 1 DEFORMATION 2 FEMB prompts via Pop Up window gt SELECT STEPS TO ANIMATE 1 ALL AVAILABLE STEPS ODD STEPS EVEN STEPS STEPS BEFORE STEPS AFTER STEPS IN BETWEEN 7 SELECTED STEPS For options 1 2 and 3 listed above skip to Step 4 otherwise continue to the ON ae ors next step 3 FEMB now prompts via Pop Up window gt SELECT STEPS 4 FEMB prompts via Pop Up window gt SELECT ANIMATION OPTION WIRE FRAME e The animation will be presented without hidden surface removal All lines and element edges will be visible
168. o combine a broken line while selecting lines for the 6 Line Solid Mesh function as in the Combine Line function in the Geometry Builder Menu The user must select this option before selecting the desired lines for 6 Line Solid Mesh e The user may check the line s prior to executing this function by using Show Line in Geometry Builder 4 Once the user selects the desired lines FEMB prompts gt IN THE SAME SEQUENCE AS THE BOTTOM SELECT 3 LINES TO DEFINE THE TOP e Select the second set of three lines in the same order as the first set of three lines FEMB User s Manual Version 26 NT 8 31 ELEMENT ELEMENT 5 FEMB prompts via Pop Up window gt WEDGES AT CORNER OR EDGE e CORNER gt ENTER THE NO OF DIVISIONS ALONG LINE 3 x DIVISIONS BETWEEN TOP AND BOTTOM e WEDGE gt ENTER THE NO OF ELEMENTS ALONG EACH EDGE gt ENTER THE NO OF DIVISIONS BETWEEN THE FACES 6 FEMB prompts via Pop Up window gt DO YOU ACCEPT THE GENERATED MESH Y N YES Accepts mesh and places newly created elements in the Current Part NO FEMB prompts to remesh the region FEMB User s Manual Version 26 NT 8 32 ELEMENT ELEMENT PLATE SOLID MESH 8 LINE SOLID MESH This function is intended for automatic 8 node solid element generation in a volume The volume is defined by top and bottom surfaces enclosed by 4 lines Each line must be defined beforehand line direction is not important The lines defining the area do not have to in
169. o create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System 6 Once the desired coordinate system is selected it will be displayed on the screen and the prompt will read via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Goto Step 7 NO Returns to Step 5 FEMB User s Manual Version 26 NT 6 24 GEOMETRY GEOMETRY 7 FEMB prompts via Pop Up window gt SELECT PLANE UV UW VW 8 FEMB prompts whether or not to keep the lines in their original parts gt MIRROR LINES TO ORIGINAL PART Y N YES Places all selected lines in their source part NO Places all selected lines into the Current Part FEMB User s Manual Version 26 NT 6 25 GEOMETRY GEOMETRY IDENTIFY NODES POINTS Identifies nodes or points by cursor selection Geom Identify Nodes Points 1 2 IDENTIFY NODES POINTS FEMB prompts gt SELECT A NODE FOR IDENTIFICATION Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default POINT END SELECT If node is selected the number of the node nearest the cursor location will be printed on the screen The following message will be echoed in the message window gt NODE xxx X x xxx Y y yyy Z z zzz If point is selected instead of node the number of the point neare
170. o the selections made in Step 4 MOVE gt ENTER U V W INCREMENTS e i e 0 0 1000 will copy the selected element s 1000 units along the Z axis ROTATE gt ENTER ANGLE INCREMENT e Enter angle increment right hand rule about the W axis NORMAL OFFSET gt ENTER THICKNESS IN NORMAL DIRECTION e Thickness is the distance away from the plane of the elements in the direction of the element s normal 8 FEMB prompts gt INCLUDE COPIED ELEMENTS IN ITS ORIGINAL PART Y N YES Places all selected elements in their original part NO Places all selected elements in the Current Part FEMB User s Manual Version 26 NT 8 49 ELEMENT ELEMENT MIRROR ELEMENTS Reflects a copy of desired elements across a local or global coordinate plane Elem Mirror Elements MIRROR ELEMENTS FEMB prompts 1 2 gt SELECT ELEMENTS Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST REJECT ALL END SELECT e END SELECT exits this section Once the desired elements have been selected FEMB prompts gt gt DEFINE A LOCAL COORDINATE SYSTEM PICK NODE FOR THE ORIGIN e FEMB is asking for a desired coordinate system local or global FEMB prompts the user to create a local system A thorough explanation of how to create a local co
171. odes are projected only along a local W axis The user can choose to use the W axis of the coordinate system defining the U V plane or to create a new coordinate system YES e The nodes will be projected along the W axis of the local coordinate system defining the U V plane NO e FEMB prompts gt DEFINE PROJECTION VECTOR gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System This coordinate system will define the direction in which the nodes are projected 4 Once the Projection Plane and Projection Vector are defined FEMB prompts FEMB User s Manual Version 26 NT 9 25 NODE NODE gt SELECT NODE S TO PROJECT ONTO U V PLANE 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default NODES IN PART DRAG WINDOW REJECT LAST END SELECT 6 Choose END SELECT to project the nodes and complete the command FEMB User s Manual Version 26 NT 9 26 NODE NODE PROJECT NODE S ONTO SURFACK S Projects a node or group of nodes onto any surface Nodes may be referenced or unreferenced Node Project Node s Onto Surface s 1 ONTO SURFACE S 2 FEMB prompts gt SELECT SURFACES 3 Press right mouse button for other options
172. ons Mesh Control Control Point Mesh 1 CONTROL POINT MESH 2 Once the user has selected the desired lines for one of the 2 3 4 6 8 9 or 12 Line Mesh commands FEMB prompts via Pop Up window 3 ENTER THE NO OF ELEMENTS ALONG EACH LINE L1 L2 L3 AND L4 4 Upon entering the desired mesh density each selected line will highlight and FEMB prompts gt SELECT CONTROL POINTS ON LINE 1 5 The user can select points on the highlighted line for control point locations 6 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS POINT e Default NEXT LINE REJECT LAST REJECT ALL END SELECT e Select NEXT LINE to proceed to the next line e This prompt will repeat depending upon the mesh style selection e The beginning and end points of a line are default control points 7 Select END SELECT to finish the control point selection FEMB User s Manual Version 26 NT 8 12 ELEMENT ELEMENT MESH OPT MESH CTR ELEMENT BIAS CORNER BIAS toggle Sets an element bias factor 0 625 to 1 6 relative to a selected corner of line to be modeled This function multiplies each adjacent element created from the selected corner by the bias factor A bias factor greater than 1 0 will generate proportionately larger elements from the selected corner and a bias factor less than 1 0 will generate proportionately smaller elements from the selected corner This function may only be used with the
173. ordinate system is covered in the General Discussion section under Local Coordinate System Once the desired coordinate system is acquired it will be displayed on the screen and FEMB prompts via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Go to Step 6 NO Return to Step 4 FEMB User s Manual Version 26 NT 8 50 ELEMENT ELEMENT 6 FEMB prompts gt SELECT A PLANE UV UW VW 7 FEMB prompts via Pop Up window gt INCLUDE MIRRORED ELEMENTS IN ORIGINAL PART Y N YES Places the selected elements in their source part NO Places all selected elements in the Current Part FEMB User s Manual Version 26 NT 8 51 ELEMENT ELEMENT FIND ELEMENT Finds and identifies an element by entering its element number Elem Find Element 1 FIND ELEMENT 2 FEMB prompts gt ENTER ELEMENT NUMBER e Once the element number has been entered it will light up on the screen with its element and node numbers labeled The node numbers will also be displayed in the prompt area of the screen 3 Ifthe element is not displayed on the screen the prompt will read gt ELEMENT X IN TURNED OFF PART YY 4 Ifthe element does not exist in the database the prompt will read gt ELEMENT X NOT FOUND IN DATABASE FEMB User s Manual Version 26 NT 8 52 ELEMENT ELEMENT IDENTIFY ELEMENT Identifies an element and its nodes by cursor selection Elem Identify Element
174. ouble dependent nodes r loose e Loose connections RIGID FEMB User s Manual Version 26 NT 10 13 CHECK CHECK SECTION THROUGH ELEMENT Computes and creates a section line composed of beam elements at a user defined U V plane Check Section Through Element 1 2 SECTION THROUGH ELEMENT FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB requires a local coordinate system in which to create section beams FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System Once the desired coordinate system is created it will be displayed on screen FEMB prompts via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Proceed to Step 4 NO Returns to Step 2 FEMB prompts via Pop Up window gt ENTER DISTANCE OF SECTION PLANE FROM W 0 e Any real value is a valid response e User may input a distance along the W axis from the origin of the selected coordinate e Beam elements will be created along W in the U V plane 5 FEMB prompts via Pop Up window gt INCLUDE PLOTEL ELEMENTS IN A NEW PART Y N YES Proceed to Step 6 NO Beam elements are added to the Current Part If elements are added to a new part FEMB asks for a part name via Pop Up window gt ENTER PART NAME The user will receive the following mes
175. probe the network for files provided the system is networked If the user accidentally enters the wrong extension FEMB will open another window asking for the file type Once the correct file type is selected FEMB opens the file FEMB User s Manual Version 26 NT 5 3 FILE FILE NEW Allows the user to exit the current FEMB database and create a new FEMB database that is completely empty File New 1 NEW 2 OPEN A DATABASE FILE window appears where the user must specify the file type where the file will be saved and the filename 3 If the user enters the name of a file which already exists FEMB warns via Pop Up window gt FILE ALREADY EXISTS DO YOU WANT TO DESTROY IT TO CREATE A NEW ONE YES e The file is erased and the new FEMB database is created in its place NO e The OPEN A DATABASE FILE window reopens so that the user may enter a different filename FEMB User s Manual Version 26 NT 5 4 FILE FILE OPEN Allows the user to read input into a FEMB database When opening reading data into an existing FEMB database the user will be prompted to append the database YES Adds the file to the current FEMB session NO Create a new database A few of the input files have several steps involved for opening the file and these will be described below File Open 1 OPEN 2 OPEN A DATABASE FILE window appears and the user must specify the file type where the file is and the filename a
176. ptions MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE TURN OFF ALL PARTS TURN ON ALL PARTS REJECT LAST END SELECT 4 If the selected part s are currently ON then the above operations turn the part s OFF and vice versa FEMB User s Manual Version 26 NT 11 16 PART PART PART SUMMARY Display statistics about selected parts including geometry model interface and property information The totals are displayed via Pop Up window Part Part Summary 1 PART SUMMARY 2 FEMB prompts gt SELECT A PART FOR SUMMARY gt PICK AN ELEMENT TO IDENTIFY THE PART 3 FEMB displays a Pop Up window containing a summary of the selected part FEMB User s Manual Version 26 NT 11 17 PART MATERIAL PROPERTY MATERIAL PROPERTY The functions in this menu are designed to define and modify material properties in the database Once a Material Property menu function is selected the displayed parts are shown in the property color The parts that do not have material properties defined are shown in white upon entering the Material Property menu All subsequent materials assigned and created will be LS DYNAS3D specific The user may assign and create materials at the beginning or end of a FEMB session The functions in the Material Property menu are organized as follows eee Ae Create A Material Assign Material To Part
177. pts the user via Pop Up window for a new curve size ranging from 0 1 10 Upon accepting the new size the command is executed FEMB User s Manual Version 26 NT 18 55 GRAPH GRAPH OPTIONS GRAPH CHANGE BORDER COLOR Changes the border color of the graph FEMB displays the color bar and the user can select the new color from the bar Graph Options Graph Change Border Color 1 CHANGE BORDER COLOR 2 FEMB prompts via Pop Up window gt SELECT A GRAPH 3 Upon selection of the desired graph FEMB displays the color bar window Once the user accepts the desired color the command is executed FEMB User s Manual Version 26 NT 18 56 GRAPH GRAPH OPTIONS GRAPH BORDER ON OFF Turns on off the border of a selected graph Graph Options Graph Border On Off 1 BORDER ON OFF 2 The user will be prompted to select a desired graph via Pop Up window Once the graph has been selected the border setting will be toggled FEMB User s Manual Version 26 NT 18 57 GRAPH GRAPH OPTIONS GRAPH CHANGE NAME Changes the name of a selected graph Graph Options Graph Change Name 1 CHANGE NAME 2 The user will be prompted to select the desired graph via Pop Up window Upon selection of the desired graph FEMB prompts via Pop Up window gt ENTER NEW NAME 3 The command is executed once the user accepts the new name FEMB User s Manual Version 26 NT 18 58 GRAPH GRAPH OPTIONS GRAP
178. r the increment between node numbers Pop Up gt ENTER NODE NUMBER INC BETWEEN PARTS INCREMENT BY 1000 NO GAP e Any integer may be entered FEMB User s Manual Version 26 NT 9 16 NODE NODE SCALE NODES Applies a scale factor to any or all X Y and Z components for some or all displayed nodes in a global or local direction The scale factor may be positive or negative change the sign on any or all of the X Y Z components The parts will be magnified if the scale factor is greater than 1 and shrunk if the scale factor is less than 1 The user may reflect enlarge or shrink a part without leaving a copy of the original elements behind Node Scale Nodes 1 2 SCALE NODES FEMB prompts gt SELECT NODES Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT Once desired nodes have been selected FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System Once the desired coordinate system is acquired it will be displayed on the screen and the prompt will read via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES
179. r the rigidwall has been accepted the user must select the rigidwall origin FEMB prompts gt PICK THE RIGIDWALL ORIGIN Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT REJECT LAST END SELECT FEMB prompts via Pop Up window gt ENTER LENGTH OF L ALONG U AND M ALONG V e Format is nnnn nnnn E G 1234 2345 FEMB prompts gt CURRENT RIGIDWALL MOTION CONDITION IS FIXED RIGIDWALL gt SELECT RIGIDWALL MOTION CONDITION FEMB User s Manual Version 26 NT 14 19 INTERFACE MENU INTERFACE MENU FIXED RIGIDWALL MASS amp INIT VEL VEL BY LOAD CURVE DIS BY LOAD CURVE EXIT e Choosing any of the Define Rigidwall Motion Condition options displays a Pop Up window specific to the option Each of these options is described under the CREATE INTERFACE RIGIDWALL INFINITE FLAT SURFACE command 7 FEMB prompts gt ENTER COEFFICIENT OF FRICTION CURRENT VALUE 0 0000 e Valid entries are 0 no friction 0 lt friction coeff lt 1 1 stick 8 After entering the friction coefficient FEMB prompts via Pop Up window gt ENTER THE LENGTH OF THE PRISM FEMB User s Manual Version 26 NT 14 20 INTERFACE MENU INTERFACE MENU CREATE CONTACT SEGMENT Defines the master and slave segments in the current interface on existing plate or solid elements I F Create Contact Segment 1 CREATE CONTACT SEGMENT
180. r use in creating node and element sets and for manipulating these sets for output control Set TRESTE er Create Node Set Create Element Set Delete Node Set Delete Element Set Shaw Miche Set Shaw Element Set A detailed description of each function is given in the following pages FEMB User s Manual Version 26 NT 16 1 SET MENU SET MENU CREATE NODE SET Generates node sets with exclusively unique set ID numbers The set ID numbers are shared by both node and element sets Nodes may be included in multiple node sets Set Create Node Set 1 CREATE NODE SET 2 FEMB prompts via Pop Up window gt ENTER NODE SET NUMBER e Any integer greater than zero 0 is valid e If the selected node set ID number is previously defined FEMB will return the prompt gt NODESET xxxx ALREADY EXISTS 3 FEMB prompts gt SELECT NODES 4 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT e If the same node is selected twice while creating the same node set FEMB will return the prompt via Pop Up window gt NODE xxxx ALREADY PICKED e END SELECT executes the command FEMB User s Manual Version 26 NT 16 2 SET MENU SET MENU CREATE ELEMENT SET Generates element sets with unique set ID numbers The set ID numbers are shared by bot
181. rrent or selected SPC set Boundary Condition SPC Options Release SPC 1 RELEASE SPC 2 FEMB prompts gt RELEASE SPC gt SELECT NODES 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default KEY IN NODE RANGE SELECT BY PART DRAG WINDOW REJECT LAST END SELECT 4 Choose END SELECT when done selecting nodes FEMB User s Manual Version 26 NT 15 27 BOUNDARY CONDITIONS BOUNDARY CONDITIONS SPC OPTIONS LIST SPC Displays the D O F degrees of freedom of the selected grids on the screen Boundary Condition SPC Options List SPC 1 LIST SPC 2 FEMB prompts gt SELECT NODE FOR SPC LIST ALL NODES e The degrees of freedom for nodes with single point constraints will be displayed on the screen NODE e Default e Ifno degrees of freedom are constrained on the selected grid FEMB will display the message gt NO SPC SPECIFIED AT SELECTED NODE and remain in the LIST SPC option FEMB User s Manual Version 26 NT 15 28 BOUNDARY CONDITIONS BOUNDARY CONDITIONS SPC OPTIONS SHOW SPC The SHOW SPC function is a toggle switch that displays SPC s on the screen in the current SPC set Boundary Condition SPC Options Show SPC gt SPC WILL BE DISPLAYED default or gt SPC WILL NOT BE DISPLAYED FEMB User s Manual Version 26 NT 15 29 BOUNDARY CONDITIONS SET MENU SET MENU The functions in the SET menu are intended fo
182. s FEMB User s Manual Version 26 NT 9 10 NODE NODE LOCAL COORDINATE SYSTEM CREATE Creates local coordinate systems This command is used in conjunction with ASSIGN under LOCAL COORDINATE SYSTEM Node Local Coordinate System Create l 2 CREATE FEMB prompts via Pop Up window gt ENTER LOCAL C S NUMBER 1 e Default is the next local coordinate system number FEMB prompts via Pop Up window gt SELECT COORDINATE SYSTEM TYPE RECTANGULAR CYLINDRICAL SPHERICAL Once the desired coordinate system is selected FEMB prompts gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System Once the desired coordinate system is acquired it will be displayed on the screen and FEMB will prompt via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES The local coordinate system is displayed and the command is completed NO FEMB asks the user to define the coordinate system again FEMB User s Manual Version 26 NT 9 11 NODE NODE LOCAL COORDINATE SYSTEM DELETE Deletes local coordinate systems from the database This function does not delete coordinate systems from individual nodes However when a coordinate system is deleted it is also deleted from any node
183. s echoed gt NO DUPLICATE ELEMENT IN DISPLAYED ELEMENTS 3 If duplicate elements are found in the displayed elements the following message will be echoed gt xxxx DUPLICATE ELEMENTS FOUND IN DISPLAYED ELEMENTS 4 FEMB continues with the option of adding these elements to a new part and prompts via Pop Up window gt INCLUDE DUPLICATE ELEMENTS IN A NEW PART Y N YES The user will be prompted for a new part name NO Exits the function FEMB User s Manual Version 26 NT 10 10 CHECK CHECK CHECK INTERIOR ANGLE Checks interior angles of all displayed plate and solid elements FEMB checks and highlights all elements with interior angles less than the user defined default value Check Check Interior Angle 1 CHECK INTERIOR ANGLE 2 FEMB prompts via Pop Up window gt ENTER INTERIOR ANGLE DEFAULT 30 DEGREES 3 If all the elements pass the model check the following message will be echoed to the user gt ALL ELEMENTS PASS CHECK or gt ELEMENT XXXXX FAILED CHECK 4 If all the elements do not pass the model check the following message will appear along with the option to create a new part for the elements that did not pass the check gt xxxx ELEMENTS FAILED CHECK 5 If there are failed elements FEMB prompts the user via Pop Up window to place these elements into a part gt INCLUDE FAILED ELEMENTS IN A NEW PART Y N YES Asks for part name NO Exits function FEMB User s Manual Versio
184. s in two horizontal displays Graph Plot Multi Graphs Top Bottom 1 TOP BOTTOM 2 FEMB lists all available graphs via Pop Up window for selection Upon accepting the selected graphs the graphs will be displayed horizontally FEMB User s Manual Version 26 NT 18 23 GRAPH GRAPH PLOT MULTI GRAPHS LEFT RIGHT Places the plots in two vertical displays Graph Plot Multi Graphs Left Right 1 LEFT RIGHT 2 FEMB lists all available graphs via Pop Up window for selection accepting the selected graphs the graphs will be displayed vertically Upon FEMB User s Manual Version 26 NT 18 24 GRAPH GRAPH PLOT MULTI GRAPHS 4 GRAPHS Places the plots in a four square display 2 by 2 Graph Plot Multi Graphs 4 Graphs 1 4GRAPHS 2 FEMB lists all available graphs via Pop Up window for selection Upon accepting the selected graphs the graphs will be displayed 2 by 2 FEMB User s Manual Version 26 NT 18 25 GRAPH GRAPH PLOT MULTI GRAPHS 16 GRAPHS Places the plots in a sixteen square display 4 by 4 Graph Plot Multi Graphs 16 Graphs 1 16 GRAPHS 2 FEMB lists all available graphs via Pop Up window for selection Upon accepting the selected graphs the graphs will be displayed 4 by 4 FEMB User s Manual Version 26 NT 18 26 GRAPH GRAPH PLOT MULTI GRAPHS ARBITRARY Allows the user to place selected graphs arbitrarily on the display screen Graph Plot Multi Gr
185. s to which it was assigned Node Local Coordinate System Delete 1 DELETE 2 FEMB prompts gt SELECT COORDINATE SYSTEM e FEMB is asking which of the local coordinate systems the user wishes to delete 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT COORDINATE SYSTEM e Default Pick the coordinate system with the cursor SELECT GLOBAL SYSTEM KEY IN COORDINATE SYSTEM e Allows the user to select the coordinate system by number REJECT LAST END SELECT 4 Choose END SELECT when done selecting coordinate systems FEMB User s Manual Version 26 NT 9 12 NODE NODE LOCAL COORDINATE SYSTEM MODIFY Modifies local coordinate systems This function does not modify local coordinate systems on individual nodes However when a coordinate system is modified it is also modified on any nodes to which it was assigned Node Local Coordinate System Modify 1 MODIFY 2 FEMB prompts gt SELECT LOCAL COORDINATE SYSTEM FEMB is asking which of the local coordinate systems the user wishes to modify 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT COORDINATE SYSTEM e Default Pick the coordinate system with the cursor SELECT GLOBAL SYSTEM KEY IN COORDINATE SYSTEM e Allows the user to select the coordinate system by number REJECT LAST END SELECT 4 FEMB prompts via
186. sage gt PLOTEL ELEMENTS WILL BE INCLUDED IN NEW PART FEMB User s Manual Version 26 NT 10 14 CHECK PART PART The functions of the Part Control Menu are intended to organize line surface and element data in a structure A part is a set of lines surfaces and or elements grouped under a part name The part name is defined as a label consisting of alpha and or numeric data no more than eight characters long Presently up to 1000 parts may be defined in a database Each part has a unique part identification number PID The functions in the Part Control Menu are organized as follows EC REG TE Create Part Currerit Part Change Part Color Change Part ID Change Part Name Delete Part s Move Objs Between Parts gt ropa ot oral i Keep Selected Part s On List Parts Farti OFfOn Part Summary A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 11 1 PART PART CREATE PART Creates a new part and PID with any combination up to 8 alpha numeric characters Part Create Part 1 CREATE PART 2 FEMB prompts via Pop Up window gt ENTER PART NAME e Ifthe part name already exists FEMB displays PART NAME ALREADY EXISTS in a small error window and will return the user to the beginning of this step 3 FEMB prompts gt PICK AN ELEMENT TO IDENTIFY THE MATERIAL MODEL ORIENTATION e See discussion for details M
187. selected it will become current and the Current Part name will be displayed at the lower center of the display screen FEMB User s Manual Version 26 NT 11 4 PART PART CHANGE PART COLOR Changes part color Part Change Part Color 1 CHANGE PART COLOR 2 FEMB prompts gt SELECT A PART TO CHANGE COLOR gt PICK AN ELEMENT TO IDENTIFY THE PART 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE REJECT LAST END SELECT 4 Once the target part has been selected a Pop Up window appears containing a variety of colors The part will change to the selected color FEMB User s Manual Version 26 NT 11 5 PART PART CHANGE PART ID Changes the PID number s of all or selected parts Part Change Part ID 1 CHANGE PART ID 2 FEMB prompts via Pop Up window gt CHANGE IDS FOR ALL PARTS YES e A Pop Up window appears listing each part and its respective PID The user will be prompted to enter a new PID If the PID already exists FEMB will warn the user and prompt for a new PID NO e The user will be prompted to change the PID for a selected part FEMB User s Manual Version 26 NT 11 6 PART PART CHANGE PART NAME Changes the part name of any existing part This function will not have any effect on entities contained in the part Part Change Part
188. sing END SELECT the desired curve operation is performed FEMB User s Manual Version 26 NT 18 32 GRAPH GRAPH CURVE OPERATIONS DUPLICATE CURVE Duplicates a selected curve s and places it on top of the original curve s Graph Curve Operations Duplicate Curve 1 DUPLICATE CURVE 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options 3 POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon choosing END SELECT the desired curve operation is performed 5 The title of the resultant curve will be displayed in the legend box FEMB User s Manual Version 26 NT 18 33 GRAPH GRAPH CURVE OPERATIONS DIFFERENTIATE Superimposes the derivative of the curve plots the curve s tangent along with the original curve Graph Curve Operations Differentiate 1 DIFFERENTIATE 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon choosing END SELECT the desired curve operation is performed 5 The title of the resultant curve will be displayed in the legend box FEMB User s Manual Version 26 NT 18 34 GRAPH GRAPH CURVE OPERATIONS INTEGRATE Superimposes the integral of the curve plots the value of the area under the curve from start to x and plots the two curves Graph Curve Operations Integrate 1 INTEGRATE 2 FEMB prompts gt SELE
189. sion 26 NT 2 5 GENERAL DISCUSSION GENERAL DISCUSSION VIEW MANIPULATION The user may manipulate the view by clicking the right most mouse button Once the right most mouse button has been selected a Pop Up window appears The selection at the top of the Pop Up window is called the Model Orientation Clicking on the Model Orientation displays a submenu containing all the dynamic rotation translation zoom and pan commands within FEMB Note Clicking the right most mouse button at any time during the FEMB session will present the user with the available options pertaining to the current menu selection FREE ROTATION Free Rotation is a combination of screen X and screen Y rotations Moving the mouse up down rotates the model about the screen X axis SX Moving the mouse left right rotates the model about the screen Y axis SY Moving the mouse diagonally combines the rotations about both SX and SY axes Clicking the left mouse button stops the rotation Note Screen axis rotation uses the display screen as a plane of rotation The screen X axis is horizontal The screen Y axis vertical and screen Z axis is perpendicular to screen X and Y ROTATE ABOUT global X Y or Z The displayed model will dynamically rotate about global X Y or Z when the cursor is moved up or down KEY ROTATE X Y or Z AXIS The user may rotate the displayed model about global X Y or Z by using the keyboard to enter three rotational angles in degrees
190. st to the cursor location will be printed on the screen The following message will echo on the command line gt POINT xxx X x xxx Y y yyy Z Z Zzz FEMB User s Manual Version 26 NT 6 26 GEOMETRY GEOMETRY SHOW LINES Identifies any existing line and its direction The selected line will be highlighted the starting point is labeled with a circle and subsequent points are represented by arrowheads oriented in the line s direction The number of points on the selected line is given in the prompt area Geom Show Lines 1 SHOW LINES 2 FEMB prompts gt SELECT A LINE TO SHOW 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS CURSOR e Default END SELECT 4 FEMB prompts gt LINE XXX IN XXXX PART NAME XXX POINTS of points FEMB User s Manual Version 26 NT 6 27 GEOMETRY SURFACE SURFACE The functions in the Surface menu allow the user to create and modify surfaces in a FEMB database The IGES translator has been updated to convert IGES surface data into FEMB format FEMB line data file format has been expanded to include surface data The IGES translator supports the following IGES entities entity name type entity name type Null 0 Tabulated Cylinder Entity 122 Circular Arc 100 Transformation Matrix 124 Composite Curve 102 Rational B Spline Curve 126 Conic Arc 104 Rational B Spline S
191. system is covered in the General Discussion section under Local Coordinate System Once the desired coordinate system is acquired it will be displayed on the screen and the prompt will read via Pop Up window gt DO YOU ACCEPT THE DISPLAYED COORDINATE SYSTEM YES NO YES Go to Step 4 NO Return to Step 2 FEMB prompts the following via Pop Up window gt SELECT TRANSFORMATION OPTION MOVE gt ENTER U V W INCREMENTS e ie 0 0 1000 This will copy the selected node s 1000 units along the W axis ROTATE gt ENTER ANGLE INCREMENT e Enter angle increment right hand rule about local W or global Z FEMB prompts gt SELECT A NODE TO TRANSFORM Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS NODE e Default NODES IN PART NODES ON SCREEN FEMB User s Manual Version 26 NT 9 29 NODE NODE DRAG WINDOW END SELECT 7 Once the desired nodes are selected there are options to transform the nodes 8 Press right mouse button for other options MODEL ORIENTATION e See discussion for details NODE e Default NODES IN PART DRAG WINDOW REPEAT LAST TRANSFORMATION REVERSE OPERATION END SELECT FEMB User s Manual Version 26 NT 9 30 NODE NODE FIND COMMON NODES toggle Determines the nodes that are shared by the displayed elements of unique parts This function should be used in conjunction with Common Node On Off Eac
192. t FEMB User s Manual Version 26 NT 14 24 INTERFACE MENU INTERFACE MENU CURRENT INTERFACE Defines the current interface All the master slave segments or slave nodes created hereafter will be included in the current interface I F Current Interface 1 CURRENT INTERFACE 2 FEMB prompts gt SELECT NEW CURRENT INTERFACE gt SELECT SEGMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT INTERFACE BY SEGMENT e Default SELECT INTERFACE BY NAME REJECT LAST END SELECT 4 Once the current interface has been selected all subsequently created interfaces will go into the current interface The current interface name is displayed in the lower portion of the screen FEMB User s Manual Version 26 NT 14 25 INTERFACE MENU INTERFACE MENU CHANGE INTERFACE COLOR Changes the color of an interface I F Change Interface Color 1 CHANGE INTERFACE COLOR 2 FEMB prompts gt SELECT SEGMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT INTERFACE BY SEGMENT e Default SELECT INTERFACE BY NAME REJECT LAST END SELECT 4 FEMB prompts the user to select the new interface color from the color table that appears on the left edge of the graphic area 5 The selected interface is displayed in its new color FEMB User s Manual Version 26 NT 14 26 INTERFACE MEN
193. t Surface FEMB lists the current rigidwall motion condition in the message window and prompts via Pop Up window gt SELECT RIGIDWALL MOTION CONDITION FIXED RIGIDWALL MASS amp INIT VELOCITY FEMB User s Manual Version 26 NT 14 5 INTERFACE MENU INTERFACE MENU VEL BY LOAD CURVE DIS BY LOAD CURVE e Each of the four options follow similar procedures Once an option is selected FEMB displays a Pop Up menu for that particular case note FEMB does not display the Mass and Velocity Pop Up menu for the Fixed rigidwall option e Each of the four options are discussed individually below e Click Cancel to exit without defining surface type FIXED RIGIDWALL 1 FEMB prompts via Pop Up window gt ENTER INTERFACE FRICTION CURRENT VALUE 0 0000 e Valid entries are O no friction 0 lt friction coeff lt 1 1 stick MASS amp INIT VELOCITY 1 FEMB first displays the Mass and Velocity Pop Up menu The user can edit this menu or keep the default settings 2 FEMB prompts user via Pop Up window gt ENTER INTERFACE FRICTION CURRENT VALUE 0 0000 e Valid entries are 0 no friction 0 lt friction coeff lt 1 1 stick VEL BY LOAD CURVE 1 FEMB first displays the Mass and Velocity Pop Up menu User can edit this menu or keep the default settings 2 FEMB prompts via Pop Up window gt ENTER INTERFACE FRICTION CURRENT VALUE 0 0000 e Valid entries are 0 no friction 0 lt friction coeff lt
194. t be current 2 FEMB prompts gt O K TO REMOVE ALL PRESSURE LOADS Y N e YES will delete the pressure on all elements in the current load set FEMB User s Manual Version 26 NT 15 6 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS DELETE LOAD SET Deletes all data in the selected Load set Boundary Condition Loading Options Delete Load Set 1 DELETE LOAD SET 2 FEMB prompts gt SELECT LOAD SET e Available Load sets are displayed for selection 3 FEMB prompts gt OK TO DELETE LOAD SET XXX Y N YES Deletes load set NO Exits function FEMB User s Manual Version 26 NT 15 7 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS DEFINE FORCE Defines forces and moments on the displayed model in the current Load set Boundary Condition Loading Options Define Force 1 DEFINE FORCE 2 FEMB prompts gt ENTER NODAL FORCE FX FY FZ MX MY MZ e The details of this procedure are covered in CREATE LOAD SET FEMB User s Manual Version 26 NT 15 8 BOUNDARY CONDITIONS BOUNDARY CONDITIONS LOADING OPTIONS DEFINE PRESSURE Applies pressure loads to selected elements Boundary Condition Loading Options Define Pressure 1 DEFINE PRESSURE 2 FEMB prompts gt ENTER ELEMENT PRESSURE LOAD e The details of this procedure are covered in CREATE LOAD SET 3 FEMB prompts gt SELECT ELEMENTS FEMB User s Manual Version 26 NT 15 9 BOUNDARY CONDITIONS BOUNDARY CON
195. t line in the case of a 3 line select situation 6 Once the desired lines are selected FEMB prompts via Pop Up window gt ENTER NUMBER OF LAYERS OF SOLID ELEMENTS 7 After the number of layers is specified FEMB creates the mesh and prompts via Pop Up window gt DO YOU ACCEPT THE GENERATED MESH Y N YES Accepts mesh and places newly created elements in Current Part NO Exits function e Line direction is not important during 3 4 Line Drag but the lines should be of equal length FEMB User s Manual Version 26 NT 8 21 ELEMENT ELEMENT LINE MESH Generates one dimensional elements along a selected line automatically The elements created will follow the direction of the selected line The node sequence of the element starts at the starting point of the selected line along the line with the right hand rule elements will be included in the Current Part The Current Part should be verified before proceeding with this function Elem Line Mesh 1 2 LINE MESH FEMB prompts gt SELECT ELEMENT TYPE BEAM Once element type selection has been made FEMB prompts gt SELECT LINE FOR LINE MESH Once the line selection has been made FEMB prompts gt ENTER NUMBER OF ELEMENTS ON SELECTED LINE e Any integer greater than 1 is valid FEMB prompts gt ACCEPT MESH YES NO YES Accepts mesh and prompts for more lines NO Does not accept mesh and prompts to remesh The created FEMB User
196. tarting end of line 1 to the starting end of line 2 The pattern will be repeated L1 times along line 1 The node sequence starts at the starting point of line 1 and follows the direction of line 1 with the right hand rule The created elements will be included in the Current Part The Current Part should be verified before proceeding with this function Elem Plate Solid Mesh 4 Line Mesh 1 4 LINE MESH 2 FEMB prompts gt USING THE RIGHT HAND RULE SELECT 4 LINES TO DEFINE THE MESH REGION 3 Press the right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT LINE e Default LINE SEGMENT REJECT LAST END SELECT e Line Segment allows the user to combine a broken line while selecting lines for the 4 Line Mesh function as in the Combine Line function in the Geometry Builder Menu The user must select this option before selecting the desired lines for 4 Line Mesh e The user may check the line s prior to executing this function by using Show Line in Geometry Builder 4 Once the user selects the desired lines FEMB prompts via Pop Up window gt ENTER NO OF ELEMENTS ALONG EACH SIDE L1 L2 L3 L4 FEMB User s Manual Version 26 NT 8 29 ELEMENT ELEMENT e LI is any positive integer greater than one for the number of elements along the selected lines e I2 is any positive integer for the number of elements between the 2 lines e L3 optional is an integer value for the
197. ter specifications Graph Curve Operations Smooth Curves FIR Filter 1 FIR FILTER 2 FEMB prompts gt SELECT CURVES TO BE FILTERED gt SELECT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 After selecting desired curves FEMB prompts via Pop Up window gt ENTER PASSBAND FREQUENCY 0 0 TO xxxx HZ lt DEFAULT XXXX gt e The maximum passband frequency is determined through the equation Passbandyser Total Number of Points on Graph Time Duration The default value is 10 of the passband frequency gt ENTER STOPBAND FREQUENCY XXXX THE NUMBER JUST ENTERED ABOVE TO XXXX HZ lt DEFAULT xxxx gt e Stopband frequency is formulated Stopband Passbandyser Passband max Passbandyser The default value depends on the Passbandycer gt ENTER MAXIMUM PASSBAND RIPPLE 0 0 TO 1 0 dB lt DEFAULT 0 1 gt e Passband ripple value is between 0 0 and 1 0 dB noninclusive gt ENTER MINIMUM STOPBAND ATTENUATION 1 0 dB lt DEFAULT 10 0 gt e Stopband attenuation must be greater than 1 0 dB FEMB User s Manual Version 26 NT 18 40 GRAPH GRAPH e It is recommended that the user choose a passband frequency of about 5 to 20 of the passband frequency Too small a number will cause a computational error and too large a number will cause the machine to stall in large numbers of iterations e The stopband frequency and maximum passband
198. tersect an open area is possible A row of N2 elements will be generated from the starting end of line 1 along line 4 on the bottom surface The pattern will be repeated N1 times along line 1 on the bottom surface The element pattern on the bottom surface will be repeated N3 times toward the top surface The node sequence starts at the starting end of line 1 and follows the direction of line 1 using the right hand rule The created elements will be included in the Current Part The Current Part should be verified before proceeding with this function Elem Plate Solid Mesh 8 Line Solid Mesh 1 8 LINE SOLID MESH 2 FEMB prompts gt USING THE RIGHT HAND RULE SELECT 4 LINES TO DEFINE THE BOTTOM REGION 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT LINE e Default LINE SEGMENT REJECT LAST END SELECT e Line Segment allows the user to combine a broken line while selecting lines for the 8 Line Solid Mesh function as in the Combine Line function in the Geometry Builder Menu The user must select this option before selecting the desired lines for 8 Line Solid Mesh e The user may check the line s prior to executing this function by using Show Line in Geometry Builder 4 FEMB prompts gt IN THE SAME SEQUENCE AS THE BOTTOM SELECT 4 LINES TO DEFINE THE TOP 5 Once the user selects the desired lines FEMB prompts via Pop Up window FEMB User s Manual Version 26
199. tes the selected part and its lines and elements NO Does not delete the part FEMB User s Manual Version 26 NT 11 8 PART PART MOVE OBJECTS BETWEEN PARTS MOVE ELEMENTS Moves existing elements from one part to another The target part does not have to be current or on Part Move Objects Between Parts Move Elements 1 MOVE ELEMENTS 2 FEMB prompts gt PICK AN ELEMENT TO IDENTIFY THE PART gt SELECT TARGET PART 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY LINE SELECT BY NAME SELECT BY SURFACE REJECT LAST END SELECT 4 Once the target part is selected FEMB prompts gt PART xxxx IS SELECTED gt ELEMENTS WILL BE ADDED TO PART xxxx gt SELECT ELEMENTS 5 Press right mouse button for other options MODEL ORIENTATION e See discussion for details ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST REJECT ALL FEMB User s Manual Version 26 NT 11 9 PART PART END SELECT 6 END SELECT places the elements in the target part FEMB User s Manual Version 26 NT 11 10 PART PART MOVE OBJECTS BETWEEN PARTS MOVE LINES Moves existing lines from one part to another The target part does not have to be current or on Part Move Objects Between Parts Move Lines 1 2 6 MOVE LINES FEMB prompts gt
200. the scale factors of either the deformed shape plot or deformed shape animation Post Set Scale Factor SET SCALE FACTOR 2 FEMB prompts gt ENTER SCALE FACTOR 3 Once the new scale factor is entered FEMB applies the changes during the animate and plot commands FEMB User s Manual Version 26 NT 17 18 POST PROCESSING POST PROCESSING IDENTIFY DISPLACEMENTS Identifies the displacement of a specific node by selecting the node on the display screen The user can only use this command after plotting the deformed shape Post Identify Displacements 1 IDENTIFY DISPLACEMENTS 2 FEMB prompts gt SELECT NODE 3 Once the user selects the desired node FEMB prompts gt DISP AT NODE node number Dx Dy Dz 4 Use END SELECT to return to MAIN MENU FEMB User s Manual Version 26 NT 17 19 POST PROCESSING POST PROCESSING LIST CONTOUR VALUE Identifies the contour value of a selected node or element displayed on the screen after selecting a Plot command Post List Contour Value 1 LISTCONTOUR VALUE 2 FEMB prompts gt SELECT NODE FOR CONTOUR VALUE 3 Once the user selects the desired node the contour window appears displaying the index the node number and the corresponding contour value Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT NODE KEY IN NODE NUMBER PROFILE e Provides the user with a table of contour values
201. the target graph from previously defined graphs in which to place the desired curve via Pop Up window Once the graph has been selected a list of all available curves will be displayed for user selection and FEMB prompts gt SELECT CURVES TO ADD TO CURRENT GRAPH 3 After the curves are selected the graph will be displayed e CLOSE is chosen from the bottom of the curve list and ACCEPT is entered FEMB User s Manual Version 26 NT 18 30 GRAPH GRAPH CURVE OPERATIONS ADD SUBTRACT MULTIPLY or DIVIDE The user has the ability to add subtract multiply and divide curves against each other Graph Curve Operations Add Subtract Multiply or Divide 1 CURVE OPERATIONS 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options 3 POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon choosing END SELECT the desired curve operation is performed 5 The title of the resultant curve will be displayed in the legend box Note At least two curves must be chosen to perform these operations FEMB User s Manual Version 26 NT 18 31 GRAPH GRAPH CURVE OPERATIONS NEGATE Multiplies the Y axis values by 1 negative one resulting in a mirrored copy of the curve Graph Curve Operations Negate 1 NEGATE 2 FEMB prompts gt SELECT A CURVE 3 Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT 4 Upon choo
202. the values of one or multiple curves based upon user input Graph Curve Operations Scale Curves 1 2 SCALE CURVES FEMB prompts gt SELECT A CURVE Press right mouse button for other options 3 POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT FEMB prompts via Pop Up window gt ENTER X SCALE FACTOR OR RETURN TO KEEP X SCALE gt ENTER Y SCALE FACTOR OR RETURN TO KEEP Y SCALE Upon selecting END SELECT the curves will fit in the window FEMB User s Manual Version 26 NT 18 38 GRAPH GRAPH CURVE OPERATIONS SMOOTH CURVES AVERAGING Averages the value of a point with a number of surrounding points user definable This averaging of the points smoothes out the curve Graph Curve Operations Smooth Curves Averaging 1 2 AVERAGING FEMB prompts gt SELECT CURVES TO BE AVERAGED gt SELECT A CURVE Press right mouse button for other options POINT e Default SELECT BY NAME ABORT REJECT LAST END SELECT FEMB prompts gt ENTER OF POINTS TO EACH SIDE 1 20 After entering the averaging coefficient FEMB displays the averaged curve Note Choosing 5 points will take the average of the current point with the 5 points before and after the current poimt and plot all 11 points together FEMB User s Manual Version 26 NT 18 39 GRAPH GRAPH CURVE OPERATIONS SMOOTH CURVES FIR FILTER Smoothes curves according to the fir finite impulse response fil
203. tion are already defined in this database FEMB will display the properties in the property table for the user to modify Otherwise the user may enter the values in the Pop Up window manually FEMB User s Manual Version 26 NT 13 5 ELEMENT PROPERTY ELEMENT PROPERTY CHANGE ELEMENT PROPERTY COLOR Changes the color of a selected property Prop Change Element Property Color 1 2 CHANGE ELEM PROPERTY COLOR FEMB prompts the user to select a property gt SELECT PROPERTY TO CHANGE COLOR gt SELECT ELEMENT TO IDENTIFY PROPERTY Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT BY ELEMENT e Default SELECT BY PROPERTY NAME REJECT SELECTION END SELECTION After selecting the property the prompt reads gt PROPERTY xxx IS SELECTED gt SELECT COLOR The selected property will change to the desired color from the color table FEMB User s Manual Version 26 NT 13 6 ELEMENT PROPERTY ELEMENT PROPERTY CHANGE ELEMENT PROPERTY ID Renumbers the property ID for the selected property or all properties Prop Change Property ID 1 CHANGE ELEM PROPERTY ID 2 FEMB prompts via Pop Up window gt RENUMBER ALL PROPERTIES YES FEMB prompts for the new property ID for each property NO FEMB prompts to renumber selected materials 3 Ifthe user chooses to renumber the selected materials FEMB prompts the user to select a property gt SELEC
204. urface 128 Copious Data 106 Offset Surface 140 Plane 108 Boundary 141 Line 110 Curve on a Parametric 142 Surface Parametric Spline Curve 112 Bounded Surface 143 Parametric Spline Surface 114 Trimmed Parametric 144 Surface Point 116 Subfigure Definition 308 Ruled Surface 118 Singular Subfigure Instance 408 Surface of Revolution 120 The functions in the Surface Menu are organized as follows Sut sera ee Create Surfaces gt Create Bound Lines Create Section Lines Create Surface OF Revolution Delete Surface s Reverse Surface Normal Surface OF Intersection Split Surface Trim Surface sani eee Show Surkace A detailed description of each function is provided in the following pages FEMB User s Manual Version 26 NT 7 1 SURFACE SURFACE CREATE SURFACES 2 LINE SURFACE Creates a surface from two selected lines curves The operation is similar to 2 Line Mesh for elements Surf Create Surfaces 2 Line Surface 1 2 LINE SURFACE 2 FEMB prompts gt SELECT A LINE 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT LINE e Default LINE SEGMENT REJECT LAST END SELECT 4 Upon selection of the second line the surface will be generated Note The direction of the surface dictates the direction of the plate elements generated from the surface FEMB User s Manual
205. user selects lines for one of the 2 3 4 Line or Surfaces Mesh options the mesh will be automatically generated with the desired element size FEMB User s Manual Version 26 NT 8 15 ELEMENT ELEMENT DRAG MESH 1 LINE DRAG Extrudes 1D elements into 2D elements beam to plate or 2D elements into 3D elements plate to solid along a selected line Solid elements cannot be created in a part that contains plate elements In order to generate solid elements create a new part and check that it is current Create solid elements within the new part Elem Drag Mesh 1 Line Drag 1 1 LINE DRAG 2 FEMB prompts gt SELECT ELEMENTS 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS ELEMENT TYPE SELECT BY ELEMENT e Default PART DRAG WINDOW KEY IN ELEMENT RANGE SELECT BY SURFACE REJECT LAST END SELECT e Selecting END SELECT completes this step and starts the next 4 FEMB prompts gt SELECT CONTROL LINE FOR DRAG MESH e Number of points on the selected drag line dictates the number of elements created e Line direction must point in the direction of the intended mesh 5 Upon line selection the mesh is created FEMB prompts via Pop Up window gt DO YOU ACCEPT THE GENERATED MESH Y N YES Accepts mesh and places newly created elements in the Current Part NO Function is exited FEMB User s Manual Version 26 NT 8 16 ELEMENT ELEMENT
206. w gt ENTER THE NUMBER OF CYCLES TO ZERO VELOCITY FEMB User s Manual Version 26 NT 14 10 INTERFACE MENU INTERFACE MENU CREATE INTERFACE RIGIDWALL S ACTIVATE 1 amp 2 Activate 1 and 2 section of the rigidwall s sub menu is described below I F Create Interface Rigidwall s Activate 1 amp 2 1 2 ACTIVATE amp 2 FEMB prompts gt DEFINE LOCAL COORDINATE SYSTEM FOR RIGIDWALL gt DEFINE A LOCAL COORDINATE SYSTEM gt PICK NODE FOR THE ORIGIN e FEMB prompts the user to create a local system A thorough explanation of how to create a local coordinate system is covered in the General Discussion section under Local Coordinate System e Rigidwalls are defined in the U V plane The three nodes selected will define the local U V plane Once the user defined coordinate system for the rigidwall has been accepted the user must select the rigidwall origin FEMB prompts gt PICK THE RIGIDWALL ORIGIN Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS KEY IN XYZ NODE e Default POINT REJECT LAST END SELECT FEMB prompts via Pop Up window gt ENTER LENGTH OF L ALONG U AND M ALONG V e Format is nnnn nnnn E G 1234 2345 FEMB prompts gt CURRENT RIGIDWALL MOTION CONDITION RIGIDWALL gt SELECT RIGIDWALL MOTION CONDITION FIXED RIGIDWALL IS FIXED FEMB User s Manual Version 26 NT 14 11
207. window If the entered name already exists FEMB prompts for the new name again FEMB User s Manual Version 26 NT 14 28 INTERFACE MENU INTERFACE MENU DELETE INTERFACE S Deletes the selected interface I F Delete Interface s 1 INTERFACE S 2 FEMB prompts for an interface gt SELECT SEGMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT INTERFACE BY SEGMENT e Default SELECT INTERFACE BY NAME REJECT LAST END SELECT 4 The master slave segments or slave nodes in the selected interface are highlighted in white The following message is issued via Pop Up window gt OK TO DELETE INTERFACE XXxxX YES Interface is deleted from the database The master slave segments or slave nodes in the interface are erased from the screen NO Interface is not deleted The highlighted interface returns to its original color FEMB User s Manual Version 26 NT 14 29 INTERFACE MENU INTERFACE MENU DELETE CONTACT SEGMENT S Deletes master slave segments from the database The selected segments need not be in the current interface I F Delete Contact Segment s 1 CONTACT SEGMENT S 2 FEMB prompts gt SELECT CONTACT SEGMENT 3 Press right mouse button for other options MODEL ORIENTATION e See discussion for details MODEL STATISTICS SELECT CONTACT SEGMENT e Default SELECT BY INTERFACE SELECT BY PART DRAG WINDOW
208. with hidden surface removal with each element filled with its part color HIDDEN LINE BLACK FILL e The animation will be presented with hidden surface removal with each element regardless of its part association filled with black 4 Upon step selection FEMB displays the deformed shape of the model Note The value of the maximum displaced node is displayed at the bottom of the screen and the node is identified in the model with an asterisk FEMB User s Manual Version 26 NT 17 12 POST PROCESSING POST PROCESSING PLOT ELEMENT STRESS STRAIN Reads information from the result file and superimposes an element stress or strain image onto the current model The color legend located in the upper right hand corner of the screen displays the corresponding values The location of the highest value in the model is labeled with an asterisk and the lowest value is labeled with a zero 0 Post Plot Element Stress Strain 1 ELEMENT STRESS STRAIN 2 FEMB prompts via Pop Up window gt SELECT STEPS 3 After desired step is selected a Pop Up window appears and the user must select the desired stress or strain component For element STRESS image select from the following components STRESS SIGXX MID SIGY Y MID SIGZZ MID etc For element STRAIN image select from the following components STRAIN PSTN MID PSTN BOT NOR_STRAIN EPS_XX BOT EPS_YY TOP EPS_ZZ MID PRSTRNI1 BOT etc Note FEMB prov

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