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Stress and strain measures

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2. notable models difference is that failure maternal models are allowed Contact a robust capability for solving contact Has 4 robust contact functionality that readily solves even formulation problems the most complex contact simulations Solution Uses stiffness based solution technique that Uses an explicit integration solution technique thatis technique 15 unconditionally stable conditionally stable Due IB the large numbers IDisk Space memory usage 15 typically much smaller In increment disk space and memory usage for 2122 be large 3 PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY Introduction 6 Disk Space memor Introduction Elemeht types Co ntinuurnx Beam Ring tc eol elements elements mts elements Ji dm lnfinit e Connector elernerntz Truss Elements elements such as sprigs elernerntz and dashpots a Commonly used element families in a stress analysis b The first letter indicates to which family the element belongs S4R gt gt shell element C3D8 gt gt continuum element a Linear element b Quadratic element c Modified second order element B node brick C3D8 20 node brick C3D20 10 node tetrahedron C3D10M c of nodes in an element is clearly identified in its name S4R gt gt 4 node shell element C3D8 gt gt
3. 1 t ur uu A RR 8 4 8 9 1 2 8 44 48 4 od E 4 gt BOR OR d Lar uum LA atat tutt LJ ds ta 2 E hat hal 2 et 84 4 8484 Mau y ata 47 INTRODUCTION TO ABAQUS CAE PRADEEP GUDLUR MECHANICAL ENGINEERING TEXAS A amp M UNIVERSITY 4th Feb 2012 10am to 1pm Zachry 105C TEXAS A amp M 4 4 Objectives amp Outline What you will learn from this workshop How to launch ABAQUS from EOS supercomputing facility How to use the ABAQUS manual How to download an example file from ABAQUS manual and how to import it into ABAQUS Preprocessing running the analysis and post processing using the following examples Example 1 3D stress analysis 6 Example 2 Transient Heat transfer Analysis c Example 3 Extrusion of metal Dynamic Explicit Analysis d Example 4 Frequency Analysis of Gear e Example 5 Modeling of 2D particle reinforced composite f Example 6 Modeling of 3D particle reinforced composite PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Objectives Introduction some basics a All the preprocessing can be done wit
4. 2 Material mem Create Copy Section 2 Solid Homogeneous Material 2 Picked Shell Generalized plane strain Plane stress strain thickness Renang 4 Beam Delete b C Other OK Cancel Assignment Manager I Create Edit re Dismiss Continue Cancel Seed Mesh Adaptivity Feature Tools x view Seed Mesh Adaptivity Lo contrals Element Shape Part Element Type Quad C Quad dominated C Tri Part Edge Number Technique Algorithm Edge Size Asis Medial axis Free Minimize the mesh transition Structured Advancing front sweep Use mapped meshing where appropriate Multiple Defaults Cancel Delete Part Mesh Edge Biased Delete Region Mesh Delete Part Seeds Create Bottom Up Mesh Associate Mesh with Geometry Edit Create Mesh Part Delete Edge Seeds x Element size along the edges approximates 0 5 Mesh Adaptivity Feature Tools 2 Controls p ESN Element Type 4 22222 Region Delete Part Mesh 5 Delete Region Mesh 7 Create Bottom Up Mesh Associate Mesh with Geometry Edit Create Mesh Part Verify 72 E HUE PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 5 93 Example 6 Modeling of 3D Fiber Reinforced Composite PREPARED BY PR
5. T Job Diagnostics P x Job Diagnostics i Job Diagnostics Job History Summary Warnings Residuals Contact Elements Movie FE A Equations Variables Field m 2 Customize NUNCA HM Increment 1 Attempt 1 Constraint 55 CMM Increment 2 5 Increment 3 Increment 4 Details ES 25 Increment 5 The Force equilibrium response was linear Increment 5 Average Force 24320 1 1 Time average Force 24320 1 Maz Farce residual 2 displacement increment displacement correction 0 0436502 Highlight selection in viewport Dismiss PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 1 22 e DOF 275 viewport Visualization Modul viewport View Result Plot Animate Repor Create 010 Chri Tab Previous Shitt Ctr Tab Cascade Tile Horizontally hm t Tile Vertically Delete Current Annotation Manager Create Annotation Edit Annotations mat viewport Annotation Options Linked Viewparts 1 viewport 1 Model Model 1 Step Initial 2 DOF Monitor new sa DIF Monitor new sa US fer Mode 9196 Tp 0 50 0 4 8 12 Time 8 4 DOF Moni
6. Incrementation Each step in an Abaqus analysis is divided into multiple increments And 2 choices for incrementation a Automatic Incrementation gt gt Just define the step and specify certain tolerances or error measures Abaqus then automatically selects the increment size as it develops the response in the step b Fixed incrementation gt gt Increment size is specified by the user If you have a good feel for the convergence behavior of the problem c Automatic incrementation is recommended for most cases Types of Iterations ABAQUS attempts to perform multiple iterations for each increment until convergence is obtained a Equilibrium iterations gt gt the solution varies smoothly b Severe discontinuity iterations 5015 gt gt abrupt changes in stiffness occur c These can be seen in sta file Quantity Abaqus Standard Abaqus Explicit Element library Offers an extensive element library Offers extensive library of elements well suited for explicit analyses The elements available are subset of those available in Abaqus standard eels General and linear perturbation procedures are procedures are available procedures available 4 UE ap Material Offers wide range of material models une ta those avallable Ir
7. Field Output Requests Manager History Output Requests Create Integrated Output Sections Restart Requests Copy X Diagnostic Print Rename b DOF Monitor Delete Time Points Suppress b Resume b PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Description a Edit Step Mame Step 1 Type Heat transfer Basic Incrementation Other Type Automatic Fixed Maximum number af increments 10000 Initial Minimum Maximum Increment size m 1000 End step when temperature change is less than 1 007 allowable temperature change per increment allowable emissivity change per increment AX Mame F OujputE 1 Step 1 Procedure Heat transfer Domain whole model Frequency Every increments 1 Timing output at exact times Output Variables Select from list belom Preselected defaults all Edit variables HEL NT REL Displacement Velocity Acceleration Energy Thermal Porous media Fluids zs E Moke Error indicators are nok available when Domain is Model or Interaction EXAMPLE 2 37 Name 1 nremp 1 Procedure Heat transfer Category Types for Selected Step Mechanical Other Connector material Flow Submodel Continue Cancel
8. tDensiks Elaxztic 5 547 5 10 1 336 E BOUNDARY lon DITIONS Eo 1 Type Symmetry fonkisymmetryfEncastre Fickedsek4 STEP Step 1 1 1 10 0 0001 10 HE HE L GOADS Load 1 Pressure PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 1 19 Job Module A stress analysis submit Source model Continue Momia s Results kill Create Edit Delete Dismiss Job Manager u Name Model Status stress analysis Model 1 Full amp nalvsis Mane write Input Data check Submit Continue Monitor Results Kill Dismiss Delete Edit Rename PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 20 stress analysis sta WordPad File Edit View Insert Format Help an al a l baqus Standard Version 6 7 1 14 17 10 SUMMARY OF JOB INFORMATION SIEP INC ATT SEVERE EQUIL TOTAL TOTAL DOF IF DISCON ITERS ITERS TINE MONITOR RIKS ITERS FREQ 1 00 00 1 4 5 75 9 13 10 0 THE ANALYSIS COMPLETED SUCCESSFULLY For Help press F1 PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY status
9. Element Library Family Standard Geometric Order Linear Quadratic Line Element Controls There are no applicable controls for these settings 2 node 2 0 linear rigid link For use in plane strain or plane stress Note To select an element shape for meshing select Mesh Controls From the main menu bar Defaults Cancel PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Sizing Controls Appraximate global size 0 1 Curvature control Deviation Factor 0 0 1 0 0 1 Approximate number of elements circle 8 Minimum size Factor a Fraction of global size Use default 0 1 Specify 0 0 lt min lt 1 0 0 1 4 E Apply Defaults Cancel 7 N N N Mesh Adaptivity Feature Tools Controls Element Type Z Region Delete Part Mesh Delete Region Mesh Create Bottom Up Mesh Associate Mesh with Geometry Edit Create Mesh Part Verify EXAMPLE 3 51 Part module create new part by copying old part Part Shape Feature Tools Manager Create Rename Delete Copy Eo Options Compress Features p Scale part 7 Mirror part about x Y plane 7 Separate disconnected regions into parts Set Surface Partition Datum Geom
10. Approximate number elements per circle 2 Minimum size Factor as Fraction of global size Use default 0 17 Specify 0 0 min 1 0 0 1 Apply Defaults Cancel OE Element Type 8 X Element Library Family Standard Explicit Cohesive Coupled Temperature Displacement Geometric Order Plane Strain Linear 67 Quadratic Quad Tri Element Controls Second order accuracy C7 Yes Use default Yes Length ratio o 1 Hourglass control Use default Enhanced Relax stiffness Stiffness viscous Combined Sif Fries viscous weight Factor o s Distortion control Use defaut Yes 47 Use default Specify Displacement hourglass scaling Factor fi Element deletion Degradation Linear bulk viscosity scaling Factor fi Quadratic bulk viscosity scaling Factor fi 4 4 node bilinear plane stress quadrilateral reduced integration hourglass control Note To select an element shape For meshing select Mesh 2 Controls From Ehe main menu bar Defaults Cancel PREPARED PRADEEP GUDLUR TEXAS amp M UNIVERSITY CC Element Shape i Quad Quad dominsted Tri Technique Algorithm Options Minimize Ehe mesh transition Tip As Free Structured Multiple Red
11. Distribution Uniform Create 100 Temperature Step Skep 1 Heat transfer Region Picked Edit Region Magnitude 100 Amplitude instantaneous Create Make sure BC Otemp is inactive not propagated in Step 1 BC Otemp Created Inactive Step procedure Heat transfer Boundary condition type Temperature Boundary condition status Created in this step Create Copy Rename Delete Dismiss PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY mp 100 degC mp 100 degC EXAMPLE 2 38 Mesh Adaptivity Seed Edge By Humber Edge By Size Edge Biased Delete Part Seeds Delete Edge Seeds F Mesh Module Seeds x Sizing Controls Approximate global size 0 2 Curvature control Deviation Factor 0 0 lt 1 0 0 1 Approximate number of elements per circle 8 Minimum size Factor as a Fraction of global size Use default 0 1 Specify 0 0 lt min lt 1 0 0 1 Apply Defaults Mesh Feature Tools Controls rz Element Region Delete Part Mesh Delete Region Mesh Create Bottom Up Mesh Associate Mesh with Geometry Edit Create Mesh Very
12. Drag Auko T rin TrimfExtend inear Pattern Dimension Parameter Manager Save Sketch As ketcher Options eset View Number Total angle 5 f0 Center IV Preview x PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY oe EXAMPLE 4 Part Module m Edit Cut Extrusio X End Condition Tvpe Through All 0 2 Extrude direction Flip Options Note Twist and draft cannot be specified together Include twist pitch c Dist Rue Include draft angle Tools Plugins Point C Axis Plane C 5 5 Reference Point Method Set Offset From principal plane Surface p Offset from plane Partition 3 points Line and point Geometry Repair Point and normal Midway between z points Display Group Rotate From plane Customize Purpose of creating datum plane will be x Arrow shows the offset direction ok Flip x Offset o explained in next slide PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 78 Part Module nns Revolve Loft When asked to select a plane for extrusion select the datum plane as shown in the picture the datum plane was created in the l
13. MAMANS XK QV 01 8172 01 SENE 1512 01 01 5458 01 01 909 01 0912 01 01 4558 01 637e 01 8192 01 0012 01 1838 01 5 01 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 Sun Jan 22 14 17 01 Central Standard Time 2012 ODB new sa odb Abaqus Standard Versioni 7 1 EXAMPLE 1 gt 72 2 lt 2 lt gt lt cc um C 9 a Lu Lu C lt cc a gt ca C Lu Lu cc a Visualization Rea RFZ 4 5 0e 06 4 32182 06 4 0 le 06 3 021e 06 3 5 2e 06 3 3228 056 3 0 2e 06 2 8228 05 2 5732 06 2 3238 056 2 1 624e 06 1 5 4e 06 muss mb 1 0 5e 06 9 250 05 SEES T uS Sky wane eee 5 9 2298 05 Ella E ODE new sa odo Abaqus Standard Version 8 7 1 Jan 22 14 17 01 Central Standard Time 2012 BN Step Step 1 X he PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 Visualization Module 5S 522 Avg 7596 1 5152 08 1 3892 08 1 25622 08 1 1366 08 1 010e 08 8 8352 0 7 7 5722 07 6 3092 0 7 5 4 0 7 3 8 42 0 7 2 5212 07 1 25582 07 4 92 12 04 1 2588 07 2 5312 07 53 9 32
14. Data Setup abaqus rpt Select Select from 6 data C Xv plot in current viewport B Append to Mame Filter 5 _U U2 PE 1 1 8910 From Field Data U U2 at part ine Output Format Layout Single table For all data ze m 102 PART 1 1 9020 From Field Data 02 at part ins Interpolate between X values necessary _U U2 PE PART 1 1 9196 From Field Data 2 at part ins Separate table For each XY data ES LS 0 20 0 x Page width characters Mo limit 67 Specify 2 2 2 m Number of significant digits 6 x A 30 25 Number Format Engineering XD Data Write data Column totals Column OK Apply Defaults Cancel 35 Apply Defaults Cancel 0 30 0 40 0 0 2 0 4 0 Time PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 31 Example 2 Transient Heat Transfer Analysis Refer Section 2 11 1 Abaqus Theory manual PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 2 32 descriptic Temp 0 degC Aluminum Properties density 2700 Kg m 3 conductivity 210 Watt m degC specific heat 900 J kg degC 4m PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 2 Part module C
15. Initial Minimum Mame 5 1 Insert new step Procedure type General Dynamic Explicit Dynamic Temp disp Explicit Heat transfer Mass diffusion Soils Cancel Static Riks Increment size 1 0 0001 10 PREPARED PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 1 13 module Field Output amp DOF monitor m Edit Field Output Request names F Cutpuk 1 Step Step 1 Other Tools Plug ins Help Procedure Static General Field Qutput Requests Manager f Pom Whole mode History Output Requests Create B mam 3 Integrated Output Sections Timing output at exact times Restart Requests ES r 1 Diagnostic Print Rename Select From list below Preselected defaults All Edit variables DOF Monitor Delete M corsP cF csTRESS LE PE PEEQ PEMAG RE S U Time Points Suppress b Stresses Resume b Strains Displacement Velocity acceleration Forces Reactions C ontact Energy Failure fFracture ef 1144444 sae See x Field Output Requests Monitor degree of freedom throughout the analysis History Output Requests Region Picked Edit Integrated Output Sections gt Monitor degree of Freedom throughout E
16. Plastic Strain 70 7 0 101 59 0 01248 133 4 0 02688 158 73 0 03968 182 85 0 05728 212 7 0 08608 230 5 0 11808 247 62 0 15008 250 32 0 1789 273 02 0 2105 282 03 0 2397 rigid die N PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 3 48 Mame die botEom Modeling Space C 3p zpPlanar C Axisvmrmetric Type Options Deformable Discrete rigid Mane available Analytical rigid Base Feature v Wire Point Approximate size 200 Continue Cancel Tools Plug ins LA 1 jc TD 2 Eum Geometry Repair Display Group Customize PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 3 Part module Surface cfeation Tools Plug ins Help F Reference Point Set b Fart die battom Manager This surface will be later used Interaction module cat d to define contact between different surfaces Surface Mame die bottom Partition T G E Geometr Datum Edit i Geometry Repair Rename Continue Cancel Display Group Delete Customize x Choose a side for the edges a surface Choose magenta as metal is going to come in contact with top surface of the bottom die PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 3 50 LE Element Type EN x
17. 07 5 05 2 07 6 3519e 0 7 5076 07 8 8452 07 1 0112 08 1 263e 08 1 390e 08 1 5162 08 ODB new sa ndb Abaqus Standard 771 Sun Jan 22 14 17 01 Central Standard Time 2012 Ox gia 44 EU 4 PREPARED BY PRADEEP GUDLUR TEXAS amp M UNIVERSITY EXAMPLE 1 Tools Plug ins Help Query Coordinate System I Color Cade Display Group b Data Manager Create Field Output Path b Spectrum F Copy CLE gt Rename h Job Diagnostics Delete b Mowie Plot Customize Copy to ODB PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY x Source ODE history output ODE Field output 7 Thickness C Operate on XY data ASCII file C Keyboard C Path Continue Note sY Data will extracted From the active skeps Frames a Data from OD x Steps Frames Active Stepsl Frames variables Elements Modes Output Variables Position unique Click checkboxes or edit the identifiers shown next Edit below PEMAG Magnitude of plastic strain RF Reaction force 5 Stress components w U Spatial displacement Magnitude ut ue Edit u uz Section point Select Dismiss EXAMPLE 1 28 Visualization Module Module visualization gt ODB C jAbqwork s
18. 2 D linear rigid link Far use in plane strain or plane stress To select an element shape Far meshing select Mesh gt Contrals From the main menu bar OK Defaults Cancel EXAMPLE 3 54 Mame metal Modeling Space C 3p 2DPlanar C Axisymmetric Type Options Deformable 7 Discrete rigid C Analytical rigid Mone available Base Feature Shell C Wire Point Approximate size 200 PREPARED PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 3 55 Tools Plugins Help Reference Paint 2 Part meta Manager Create X Marne metal tap Surface Partition Type Geometry Datum b Geometry Repair Rename Display Group D elete Customize These surfaces will be later used in Interaction module to define contact between different surfaces Tools Plug ins Help 1 Query Reference Point j 2 metal E _ 09 Mame metal bottom Type Geometry Datum Geometry Repair Cancel Display Group LI Customize PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 56 Mesh module x Sizing Controls Approximate global size 0 1 Curvature control Deviation Factor 0 0 1 0 0 1
19. Name Type Material Region _____ Section 1 Solid Homogeneous Aluminum Picked Young s Poisson s Modulus Ratio 0547566 0 336 Create Edit Delete Dismiss er The section property provides any additional data required to define the geometry of the element and also identifies the associated material property definition PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 12 Instance Constraint Fi Linear Pattern Radial Pattern Translate Translate Rotate Replace Convert Constraints Mame Step 1 Type Static General Basic Incrementation Other Assembly amp Step module AX Instance Type Dependent mesh on part Independent mesh on instance Mote To change a Dependent inskance s mesh vau must edit its part s mesh Auta nffset From other instances Apply Cancel Description Time period Mlgeom Off This setting controls the inclusion of nonlinear effects on of large displacements and affects subsequent steps Automatic stabilization None Include adiabatic heating effects Step Output Manager Edit Replace Rename O p Mame Step 1 Type Static General Basic Incrementation Other Type Automatic Fixed number of increments
20. TEXAS A amp M UNIVERSITY EXAMPLE 3 67 Job module Job Adaptivit 4 Manager ate X Job Manager Edit Mame Jextusion write Input Copy Source Model 1510 1 Full Analysis Mane 1 Submit Delete write Input Continue Data Check Monitor Submit b Continue Results Monitor Kill T 4 Cancel Edit Rename Delete Dismiss PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 3 68 Visualization module Results ODE 14008 Abaqus Explicit Version 6 7 1 Sat Jan 28 20 02 41 Central Standard Time 2012 Step Step 1 Increment 30147 Step Time 8 7 501E 03 Primary Var 5 Mises Deformed Var U Deformation Scale Factor 1 0 00 PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 3 69 4 Visualization module Results ODB 14 040 Abaqus Explicit Version 6 7 1 Jan 28 20 02 41 Central Standard Time 2012 Step Step 1 Increment 46253 Step Time 1 2750E U2 Primary Var 5 Mises Deformed Yar U Deformation Scale Factor 1 02 00 PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 70 Visualizationmodule Animation Step Step l Frame 0 B ODB 14 006 amp baqus Explicit Version 6 7 1 Sat Jan 28 20 02 41 Central Standard Time 2012 Step Step 1 Increment 0 Step Time 0 0 Primar
21. b F Deformable Discrete rigid Analytical rigid Mone available Delete Base Feature Shape Solid Shell Revolution Sweep wire Point Approximate size 20 LE Edit Base Ext x End Condition Tvpe Blind Depth 15 Options Note Twist and draft cannot be specified together Include twist pitch c Include draft angle Degrees Cancel PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 11 rty module E Edit Material Section Marne aluminum Name 7 Description Type Lategory Material Behaviors Solid Density C Shall Generalized plane strain C Beam C other General Mechanical Thermal Other Elastic Edit Section X Section Profile Composite Isctropi v Suboptions Mame Section 1 Manager Create Use temperature dependent data Type Solid Homogeneous 4 MEG eee Number of Field variables Umber variabies Material Aluminum Create Copy Moduli time scale For viscoelasticity Lon term Rename y 5 Plane stress strain thickness Err compression No tension Cancel Data Delete Assignment Manager LE Section Assignment Manag Section
22. should know the following things Units Abaqus has no units built into it except for rotational DOF radians and other angle measures degrees Therefore the units chosen must be self consistent gt gt Refer 1 2 2 Analysis user s manual DOF Primary variables Temperature for heat transfer analysis Displacements translational amp rotational for mechanical analysis Temperature displacements for thermomechanical analysis b Displacements or other degrees of freedom are calculated at the nodes of the element At any other point in the element the displacements are obtained by interpolating from the nodal displacements Stress and strain measures a Stress is always reported as Cauchy or true stress b Shear strain is always reported as engineering shear strain C True strain is not that useful and therefore ABAQUS has different strain measures Integrated strain Green s Strain Nominal Strain Logarithmic strain gt gt Refer 1 2 2 Analysis user s manual d By default Stress and strains are calculated at integration points If specified ABAQUS can interpolate these values to obtain at nodes or centroid of the element Time a Step time measured from the beginning of each step b Total time gt gt starts at zero and is the total accumulated time over all the steps except Linear perturbation PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Introduction 5 Introduction some basics
23. 8 node brick element PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Introduction Introduction ABAQUS interface Tulle Er Menu Toolbars Corbet bar abagus AE Version 5 7 1 M El aret reno Os EBA CP m manie cm Mote cw 25 psu EE 1 f 5 5 an the sate directary cuCae Startup reu gatabame begn creatam Mode 1 hmm crented 4 E Model Tree Results Tree Canas and Prong hleasage area drawing area area command line imterface PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Introduction Example 1 3D Stress Analysis PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 9 M 2 2 Problem description Aluminum Properties density 2700 Kg m 3 modulus 65 475 MPa or 65 475e6 N m 2 Poissons 0 336 EN PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 10 Part module Mame Fart 1 Modeling Space Part Shape E 3p 4 2 Planar Axisymmetric Manager Type Options
24. A amp M UNIVERSITY EXAMPLE 4 81 Mame Step 1 Name step 1 Insert new step after Type Frequency Basic Parallel Lanczas Other Description Eigensolver Lanczos Subspace C AMS Instance Type Number of eigenvalues requested Allin Frequency range value 100 Frequency shift cycles timeY 2 Minimum Frequency of interest cycles time Maximum frequency of interest Include acoustic structural coupling where applicable Block size Default Value Maximum number of block Lanczos steps Default value Use SIM based linear dynamics procedures Dependent mesh on part Procedure Linear perturbation gt Independent mesh on instance Note change a Dependent 5 5 mesh vou must edit its part s mesh Static Linear perturbation Suto offset From other instances DIE Apply Cancel Continue Cancel Include residual modes Cancel PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 82 Load module Conditions LE Create Boundary Mame 1 Step Initia Types for Selected Step Mechanical Symmetry Antisymmetry l Encastre Rotation Velocity Angular velocity Acceleration Angular accelera
25. ADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 6 91 Problem description PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 6 95 Part module Create Part Part 1 Modeling Space 3p 2DPlanar C axisymmetric Mame Solid extrude 1 Parameters Depth 20 Sketches Edit Section Sketch v Regenerate an OK Apply Cancel Type Options Deformable Discrete rigid Analytical rigid Mone available Base Feature Shape Type Solid Shell Revolution Point Approximate size 200 PREPARED PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 6 96 Part module Query Type 5 H Reference Point C Edge Face C Cell 21 Surface Method dule part Use shortest path between 2 points Use datum plane 48 Use curved path normal to 2 edges F Extend another face M Intersect by other faces PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 6 97 7 Create Partition C Edge C cel Method Define cutting plane Use datum plane Extend Extrude Sweep edges Use n sided patch Sketch planar partition PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 6 98 IMesh module Element Shape Hex Hex dominat
26. Adaptivity F Edge By Mumber Edge Size Edge Biased Delete Part Seeds Delete Edge Seeds Mesh Adaptivity Feature Controls Element Region Delete Part Mesh Delete Region Mesh Create Bottom Up Mesh Tools Associate Mesh with Geometry Edit Create Mesh Part Very PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY F Sizing Controls Approximate global size 0 2 Curvature control Deviation Factor 0 0 lt 1 0 0 1 Approximate number of elements per circle 8 Minimum size Factor as a Fraction of global size Apply Defaults Element Shape Hex Hex dominated Wedge Technique Asis Free Structured Sweep Bottom up a C Multiple Defaults Cancel EXAMPLE 1 Use default 0 1 Specify 0 0 lt min lt 1 0 0 1 Cancel Mesh Cont rol x 17 Mesh Module m Element Type x Mesh Adaptivity Feature Tools Controls Element Library Standard Acoustic Geometric Order Cohesive Element Type Linear 7 Quadratic Continuum Shel Part rm Wedge Tet 1 Element Controls Delete Region Mesh Hybrid formulation Create Bottom Up Mesh Reduced integration X Associate Mesh with Geometry Inco
27. BY PRADEEP GUDLUR TEXAS amp UNIVERSITY Mame Park 1 Modeling Space C 3p 20 Planar Axisymmetric Options Deformable Discrete rigid Analytical rigid Mane available Base Feature Shell C Wire Point Approximate size 200 Cancel PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 5 91 Part module Shape Feature Tools Plug ins 11 88 0 Point dule pat 2 Method Use shortest path between 2 points Use datum plane Use curved path normal to 2 edges Extend another face Intersect by other faces View Edit Add Tools Plug i Undo Delete Patt amp uba Trim Direction 1 2 TrimfExtend WE eg m umber Spacing Merde 3 14 866 Direction Flip Transform Direction 2 Radial Pattern Number Spacing Dimension 3 i 14 866 Direction Flip 1 Parameter Manager etch Preview OK Cancel PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 5 92 Save Sketch As Sketcher Options Reset View Property Section Profile Composite Name Section Mame Section 1 Manager E E Type 5010 Homogeneous Edi 3 Section 1 Solid Homogeneous Material 1 Picked 6 Solid
28. IVERSITY EXAMPLE 65 LE Create Boundary X Name Bc 1 Step Initial Procedure Category Types for Selected Step Mechanical Symmetry Anbisvmmetry Encastre C Other Displacement Rotation Velocity angular velocity Acceleration Angular acceleration Connector displacement Connector velocity Connector acceleration Mame Load 1 Step step 1 Procedure Dynamic Explicit Category Types for Selected Step Mechanical Concentrated Force C Thermal Moment Acoustic ETTET Shell edge loa C Fluid Surface traction Electrical Body force mass diffusion Line load other Connector Force Connector moment Cancel Continue Mame BC 1 Type Symmetry antisymmetry Encastre Step Initial Region Picked Edit Region C 5 U1 URZ 0 S MM B C 257 U3 URZ 0 C XASYMM U2 03 UR1 0 Abaqus Standard only 03 URZ 0 Sbagus Standard only C 02 0 Abaqus Standard only PINNED U1 U U3 0 ENCASTRE Uz U3 UR1 0 Cancel Mame Load 1 Type Pressure Step Step 1 Dynamic Explicit Region Picked Edit Region Distribution uniform 7 Create Magnitude 180 Amplitude nst
29. PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY LE Mesh Control Element Shape Hex Hex dominated Tet wedge Technique Asis Free Structured Sweep Bottom up Multiple Defaults Cancel 2 39 m Element Type Element Library Standard Explicit Geometric Order Linear Quadratic Hex Wedge Tet Element Controls Convection DifFusion Dispersion control Coupled Temperature Displacement Gasket Piezoelectric DC3D8 8 node linear heat transfer brick Mote To select an element shape For meshing select Mesh Contrals From Ehe main menu OK Defaults PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY Mesh Module x Cancel Mesh Adaptivity Feature Tools Controls Element Type Region Delete Part Mesh Delete Region Mesh Create Bottom Up Mesh Associate Mesh with Geometry Edit Create Mesh Part Verify EXAMPLE 2 40 Job Module Create Jo Write Input Mame nt Date check Snurce Model submit Results kill Create Edit Rename Delete Dismiss Job Manager Name Model Type Status Write Input Model 1 Full Analy
30. Y EXAMPLE 2 35 Instance Linear Pattern Radial Pattern Translate Translate To Rotate Replace Convert Constraints Merge Cut Mame BC Otemp Step Procedure Lategory C Mechanical other Constraint Parts BC Predefined Fiel Instance Type Dependent mesh on part Independent mesh on instance Note To change a Dependent inskance s mesh vau must edit its part s mesh Suto offset From other instances Apply Cancel LE Edit Boundary Mame BC bemp Temperature Types for Selected Step Step Initial Region Picked Edit Region Pore pressure Electric potential Mass concentration Acoustic pressure Connector material Flow Magnitude 0 0 OK Cancel Cancel PREPARED BY PRADEEP GUDLUR TEXAS amp M UNIVERSITY Temp 0 degC EXAMPLE 2 36 Step module Create St X Name step 1 Insert new step after Mame Step 1 Type Heat transfer Basic Incrementation other Response Steady state Transient Time periad 10000 Mlgeom Edit Procedure General Dynamic Explicit Dynamic Temp disp Explicit I3enstatic Mass diffusion Soils Static General Static Riks Continue Cancel Output Other Tools Plugins Help
31. Y PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 1 15 Resume Load amp Load Create Load X Mame step 1 gt Procedure Static General Mame Load 1 Type Pressure Step Skep 1 Static General Category Types for Selected Step Region Picked Edit Region Distribution Uniform Create Mechanical Concentrated Force Thermal Moment Acoustic Magnitude 366 Shell edge load T Create Electrical Pipe pressure Mass diffusion Body Force Line load Balk load C Other OK Cancel Continue Cancel Load Manager Boundary Condition Manager Edit Edit Move Move Move Right Mowe night Activate Activate J amp activate each abe Step procedure Step procedure Static General Boundary condition Symmetry lAntisymmetr i Encastre Load Pressure Boundary condition status Created in this step Load status Created in this step Create Rename Delete Dismiss Create Copy Rename Delete PREPARED BY PRADEEP GUDLUR TEXAS amp M UNIVERSITY EXAMPLE 1 16 Module Mesh gt Model Model 1 gt Object Seed Mesh
32. antanecus Create Cancel PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 3 66 Int raction Boundarycondition and Load manager Interaction Constraint Find contact pairs 1 E Propert munt Propagated Move Left 2 Created Propagated Move Right Copy Rename _ DEI RE Step procedure Interaction SurFace Eo surFace contact Explicit E Interaction status Created in this step Resume Contact Controls Create Rename Delete EC Predefined Edit Manager E Propagated Mowe Left Mowe Right abe 3 Rename Deactivate Delete Step procedure 3 Suppress Boundary condition type Symmetry ankisyometry fEncastre m Boundary condition skatus Created in this step Resume 0 I Create Copy Rename Delete Dismiss Load BC Prede m Load Manager Edik Create Moye Left Toe Right Copy a Activate Rename xy activate Delete 0 Step procedure Dynamic Explicit Suppress Load type Pressure Load status Created in this step Resume E pur b Rename Delete Dismiss PREPARED BY PRADEEP GUDLUR
33. ast slide for this purpose PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 Fx Part Module Edit Extrusion x End Condition Tvpe Blind Depth 0 02 Extrude direction mH Options Note Twist and draft cannot be specified together Include twist pitch c Rue Include draft angle c Degrees Keep internal boundaries Cancel PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 80 Property Module Material Properties Mame aluminum Create Sectior X Description section 1 Material Behaviors Category Density Solid Homogeneous Generalized plane strain General Mechanical Thermal Other Delete Elastic Isotropic Suboptions Edit Section Section Profile Composite Use temperature dependent data Manager Name Section 1 Number of Field pz Solid H 5 eun umber Field variables T TA Edit Moduli time scale For viscoelasticity Long term w Material Aluminum Create F gt compression Rename Plane stress strain thickness 1 Delete Assignment Manager Data Young s Poisson s Modulus Ratio 336 Section 1 Solid Homogeneous Aluminum Picked OK Cancel PREPARED BY PRADEEP GUDLUR TEXAS
34. cted From the active steps frames Active Steps Frames variables Elements Mades Output Variables Position unique gt Click checkboxes or edit the identifiers shown next Edit below Heat Flux vector MT11 temperature RFL11 Reaction Fluxes Edit Section point 4 Select Settings Dismiss PREPARED PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 2 44 157 LESS A 77775888 22777 AA 52 4 DO OLN 2 7 3444 p x Active Steps Frames Highlight items in viewpor iD E wi 1 1 D I iD Je 2 E LL EI 1 2 Lu p 2 D n 4 2 PREPARED BY PRADEEP GUDLUR TEXAS UNIVERSITY Visualization Module XY Plot Bl 50 40 Temperature Ce d 20 10 0 0 24 40 8 0 10 0 1 E3 Time PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 2 46 Example 3 Extrusion metal Dynamic explicit analysis PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 3 47 Problem description Steel properties 4 Density 7 85 6 Kg mm 3 P 180 N mm 2 Elastic modulus 210 000 N mm 2 Poisson s ratio 0 3 Metal steel Yield stress N mm 2
35. ed Tet Wedge Sizing Controls Seed Mesh Adaptivity F Approximate global size 1 Mao Asis Medial axis Free Minimize the mesh transition structured ML c Advancing Front Curvature control Deviation Factor 0 0 lt 1 03 0 1 Edge By Humber Edge Size Approximate number elements per circle 8 Sweep 1 x Delete Part Seeds Bottom up Minimum size Factor as Fraction of global size Use default 0 1 Specify 0 0 lt min lt 1 0 0 1 Apply Defaults Delete Edge Seeds Multiple Redefine Sweep Path Defaults OK Cancel Mesh Gdaptivity Feature Tools Controls Element Part Region Delete Park Mesh a Delete Region Mesh Create Mesh Associate Mesh with Geometry Ee Create Mesh Part verify PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 6 99 1 ABAQUS manual http sc tamu edu 2080 v6 9ef 2 Matweb online materials property database com PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 6 100
36. efine Region Corners Defaults Cancel EXAMPLE 57 A id Property module Edit Material E Mame Steel Description Material Behaviors Name section 1 Category Solid Homogeneous C Shell Generalized plane strain C Beam C Other General Mechanical Thermal Other Plastic Hardening Isotropic gt Suboptions Use strain rate dependent data NM Use temperature dependent data E Number of Field variables 1 Plastic Strain 0 01248 0 02688 0 03968 0 05728 0 08608 0 11808 0 15008 34 cn Section 1 Solid Homogeneous Create Edit PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY Section Profile Composite Manager Create Edit gt Copy Rename Delete Assignment Manager Picked Dismiss EXAMPLE 58 7 Assembly module Parts die top Instance Type 4 meshed part has been selected so the instance will be Dependent Mote To change Dependent instance s mesh vou must edit its part s mesh Suto offset from other instances OK Appl Constraint Feature Parallel Face Face to Face Parallel Edge Coaxial Coincident Point Parallel Csys x Clearance 0 0 PREPARED PRADEEP GUDLUR TEXAS amp M UNIVERSITY EXAMPLE 59 Assembly modul die bo
37. etry Repair Display Group Customize PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE Tools Plug ins Reference Point Set b Part Manager 00 ET EDD This surface will be later used in Interaction module to define contact between different surfaces 11 Surface Partition Datum Edit Type Geometry Geometry Repair Rename cma Display Group b Delete Customize Choose side the edges __ Yellow Fip a surface Choose yellow as metal is going to in contact with bottom surface of the top die PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 3 53 FA 7 Mesh modul Sizing Controls Approximate global size 0 1 Curvature control Deviation Factor 0 0 lt 1 0 0 1 Approximate number of elements per circle 8 Minimum size Factor as a Fraction of global size Use default 0 1 Specify 0 0 lt min lt 1 0 0 1 Apply Defaults PREPARED BY PRADEEP GUDLUR TEXAS amp M UNIVERSITY Element Type Element Library C Standard Explicit Discrete Rigid Element Geometric Order Linear Quadratic Line Element Controls There are na applicable controls Far these settings 2
38. greater than CE Job Manager X Write Input 3 Create Jo X Mame Source Data Check Submit Continue Monitor Results Kil de Edt Copy Rename beer Dismiss x Monitor Model 1 Full Analysis 0 None PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 85 Visualization Plot History output 1 E3 x 5 Output Variables m E Mame filter E L 40 Effective mass 2 component EM3 For Whale Model Effective mass z rotation For Whole Model Eigenfrequency For Whole Model Eigenvalue EIGVAL For Whole Model Generalized mass For Whole Model Participation Factor x component For Whole Participation Factor x rotation For Whole Model 2 0 Participation Factor v camporient 2 Far whole Save Dismiss E 0 5 10 15 20 25 30 35 4 45 50 55 55 70 15 80 85 90 95 100 Made number EIGFREQ Whole Model PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 86 amp gt Visualization Plot History output 1 29 2 0 EB History Out 2 5 Variables StepslFrames Output Variables Mame filter Tip 20 Effective mass z companent EM3 For Whole Model Effective mass 2 rotation For Whole Model Eigenfrequenc
39. h this b Can be opened with ABAQUS CAE a Analysis input file b One of the ways to generate an input file is by using ABAQUS CAE c Contains all the information related to the problem ex coordinates of nodes element connectivity matrix element type material props step type of analysis performed boundary conditions loads etc d input file can be opened with wordpad and can be edited It can also be imported into ABAQUS CAE e Using the following command input file is run abaqus job jobname inp a Results file written by the analysis b Can be opened with ABAQUS viewer opens in the visualization module and any postprocessing can be performed a Status file The analysis writes incremental summaries to this file b We can know step time total time CPU time increment number of equilibrium iterations severe discontinuity iterations etc ina tabular format c Can be opened with wordpad d You should see The analysis has completed successfully in the status file otherwise analysis didn t complete and the errors can be seen in msg and dat files if they exist a Message file written by the analysis b contains any error or warning messages convergence checks step time total time incrementation and other important information written for each iteration and increment of each step c can be opened with wordpad a Print output file written by the analysis you can use Node Print Print in the inp file t
40. he analysis Restart Requests Degree of Freedom 2 Meteor Diagnostic Print Print to the message File every 1 increments Degree af Freedom 2 DOF Monitor Print Ea Ehe message File every 1 increments Ok PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 14 Load module defining B amp Loads E Create Boundary Condition BC Predefined Fiel 1 Manager Step Initial Procedure 3 Edit b Copy b Category Types for Selected Step i Rename b Mechanical Symmetry lAnkisyrmmekry Encaskre Delete Other Displacement Rotatian q 5 velocity Angular velocity uppress EC Acceleration acceleration Resume Connector displacement Connector velocity Connector acceleration cancel m Edit Boundary Condition X Mame BC 1 Type Symmetry lAntisymmetry l Encastre Load BC Predetir Manager Step Initial Region Picked Edit Region XSYMM U1 UR2 URS 0 Edit 02 1 URS 0 Copy F C URZ 0 Rename C U2 03 UR1 D Abaqus Standard only Suppress F F C YASYMM 03 URZ 0 Abaqus Standard only C ZASYMM UL 02 URS 0 Abaqus Standard C PINNED U1 UZ U3 0 ENCASTRE Uz URI URZ URS 0 OK Cancel PREPARED B
41. mpatible mades T Edit Hourglass stiffness default Specify Create Mesh Part Kinematic split Average strain Orthogonal C centroid i verify Second order accuracy Yes 6 No Distortion control Use defaut C Yes Length ratio fo 1 Hourglass control Use default Enhanced Relax stiffness Stiffness viscous 67 combined Stitffmess viscous weight Factors Displacement hourglass scaling Factor m Linear bulk viscosity scaling Factor Quadratic bulk viscosity scaling Factor C308 An 8 linear brick Note To select an element shape For meshing select Mesh Controls From the main menu bar OK Defaults Cancel PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 18 Model Park Shi Park 1 Manager Element type Create Section 1 le Module Solid Section 2 PickedSet material Gluiminum 1 Copy Objects Ce Engd Park Edit ttributes T uA Edit keywords Model 1 Rename 1 3 m DSSEPTIBL 3 Delete 4 assembly name nzzenmbl aE Instance name Part 1 1 1 FE nid Instance name PFPiclkedsurF5 internal End Assembly E MATERIALS name
42. o write nodal and elemental ouputs in tabular format in the dat file b contains any error or warning messages with other important information written for each iteration and increment of each step c can be opened with wordpad a Results file written by the analysis b You can use Node File File in the file to write nodal and elemental ouputs to the fil file of one analysis which be used in another analysis Ex sequentially coupled thermo mechanical analysis can t be opened with wordpad or ABAQUS viewer PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Introduction 3 Introduction some basics module load abaqus abaqus cae abaqus cae mesa abaqus jobzjobname inp module load intel compilers abaqus job jobname inp user fortranname f abaqus fetch job jobname inp man abaqus abaqus help to invoke abaqus modules in EOS to launch abaqus to launch abaqus if there is graphics problem with above command to run the input file jobname inp to load fortran compilers in EOS to run an input file jobname inp along with user subroutine fortranname f to copy an input file from abaqus example problems manual to your present working directory to get a detailed description of various commands of abaqus on EOS some more commands PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Introduction Introduction some basics Before going into examples you
43. of job check stress analysis msg WordP File Edit View Insert Format Help DATE zZ Jan z lz TIME oTEP INC OF TOTAL OF TIME LPF TIME LPF PRESENT SEARCHES SEARCHES MESSAGES MESSAGES JOB TIME SUMMARY ANALYSIS SUMMARY cm D e o d 7 sta files for error messages x Delu 813 elel THE ANALYSIS HAS BEEN COMPLETED INCREMENTS CUTBACES IN AUTOMATIC INCREMENTATIGON ITERATIONS INCLUDING CONTACT ITERATIONS IF PASSES THROUGH THE EQUATION SOLVER OF WHICH INVOLVE DECOMPOSITION INCLUDING DECOMPOSITION 5 OF THE Mais REORDERING OF EQUATIONS TO MINIMIZE WAVEFRONT ADDITIONAL RESIDUAL EVALUATIONS FOR LINE ADDITIONAL OPERATOR EVALUATIONS FOR LINE WARNING MESSAGES DURING USER INPUT PROCESSING WARNING MESSAGES DURING ANALYSIS ANALYSIS WARNINGS ARE NUMERICAL PROBLEM ANALYSIS WARNINGS ARE NEGATIVE EIGENVALUE ERROR MESSAGES USER TIME SEC 12 500 SISIEM TIME 2 0000 TOTAL CPU TIME 14 500 WALLCLOCK TIME SEC 15 4 Far Help press F1 EXAMPLE 1 21 Visualization Module Plot Animate Report Options Tools Plug ins 18 20 1 23 44 Color Cade 528 visualization defaults Display Group Module Visualization ODE Data p 7 Create Field Output Path b Spectrum F wiew Cut
44. reate Part Mame Fart 1 Modeling Space v 3p 20 Planar C Axisymmetric Type Options Deformable Discrete rigid Analytical rigid None available Base Feature Shape Type Solid Shell Revolution wire 7 Point Approximate size 20 cancel Mame Solid extrude 1 Parameters Depth s Sketches Edit Section Sketch v Regenerate an OK Apply Cancel PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 2 34 Property Module LE Edit Material Mame Aluminum Description Material Behaviors Mame Section 1 Lategory Type Solid Shell Generalized plane strain Beam C Other Specific Heat Cancel General Mechanical Thermal Other Delete X Section Profile Composite Manager Conductivity Mame 1 Create Type Isotropic Type Solid Homogeneous E Edit Use temperature dependent data Material aluminum Create Copy F F Rename F Number of Field variables Plane sktress strain thickness Data OK Cancel Delete Assignment Manager Conductivity Section Assignment Manager Section Name Type Material Section 1 Solid Homogeneous Aluminum Picked Create Delete Dismiss OK Cancel BY GUDLUR M UNIVERSIT
45. s Find contact pairs Manager Behavi Mame IntProp 1 armat Manager Create Edit Edit b Copy Rename Rename Delete gt Film condition Mechanical Thermal Delete Delete Acoustic impedance 4 Incident wave Tangential Behavior Suppress Actuator sensor m Resume Friction Formulation Penalty F contact Controls Friction Shear Stress Elastic Slip Directionality Isotropic Anisotropic Standard only Use slip rate dependent data Use contact pressure dependent data Use temperature dependent data Number of Field variables Coeff Refer section 15 14 1 of CAE user s manual Cancel PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 3 63 Interaction Constraint Find contact pairs 8 Property Manager Edit Copy Rename Delete SUP Press Resume Contact Controls Name Step Procedures Types for Selected Step General contact Explicit Surface to surface contact Explicit Sel contact Explicit Acoustic impedance Continue Cancel Refer section 15 13 6 of CAE user s manual 1 Edit Interaction X Mame Type Surface to surface contact Explicit Step Initial First surface die bottom l die bottom Edi Region LI Second surface meta l bo
46. sis Mane Data Check Submit aonne Monitor Resulks kill Edit Rename Delete Dismiss PREPARED BY PRADEEP GUDLUR TEXAS UNIVERSITY EXAMPLE 2 41 ACCES MPDPHYMYY gt lara ara a aa 7777 7777 777 22727 QU 27 a 1 24222222 590 A 200777 ODB ht odb A amp baqgus Standard Version 6 7 1 Thu Jan 19 11 0 EXAMPLE 2 PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY 988 225555 AD 8223 OOOO 0 CESS RUNE ee 111 6 if w Plane Motion of Selected Cut Rotate Axis of rotation Axis Axis 3 4 EXAMPLE 2 PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Visualization Module Create XY data iu Tools Plug ins Help Query Coordinate System I Color Cade Display Group b Data Manager Create Field Output Path b Edit 2 Spectrum F Copy F View CUE gt Rename h Job Diagnostics Delete b Movie Plot Customize Copy to ODE Source C ODE history output ODE field output 7 Thickness C Operate on XY data ASCII file C Keyboard C Path Continue Steps Frames Note Data will be extra
47. t size along the edges approximate i TT Defaults Cancel Edit e Create Mesh Part x verify Family Element Library Standard Acoustic Geometric Order Cohesive Linear 7 Quadratic continuum Shell Hex Wedge Tet Element Controls Hybrid Formulation Distortion control Use default Yes Length 1 Linear bulk viscosity scaling Factor 1 Quadratic bulk viscosity scaling Factor 1 C304 4 node linear tetrahedron Moke To select an element shape For meshing select Mesh Controls From the main menu bar Defaults PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 4 84 Mesh Adaptivity Feature Tools Controls Element Part Region Delete Part Mesh Delete Region Mesh Create Bottom Up Mesh Associate Mesh with Geometry Edit Create Mesh Part cess 0011 Dismiss Job amp Mesh module erify Mesh X Shape Size Analvsis Metrics Metrics Checks Element Shape Part 2 Tet elements 44226 Aspect ratio 4 Average aspect ratio 1 59 Torst aspect ratio 2 4 Element Failure Criteria 0 0001 Face corner angle greater Ehan 170 Shape factor less than Face corner angle less than Aspect ratio
48. te rigid Mone available Analytical rigid Base Feature v 3UD E 03 Shape Type Solid Shell Revolution SWEEP 500 03 Wire Point Approximate size Cancel Tools Plugins Help Point axis C Plane C csys y Query 70 Reference Point Method End Condition Set Type Blind Surface Intersection of 2 planes Partition Straight edge Depth 0 2 Options points Axis cylinder Normal to plane thru point Parallel to line thru point Geometry Repair Display Group Note Twist and draft cannot be specified together Include twist pitch Customize 3 points on circle Rotate From line Include draft angle Degrees Cancel x Principal axis choice Z Axis Choose Y axis PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 74 Part Module Shape Feature Tools Plug ins Solid jal Shell Wire Model Model Cub Blend A x T t al 2 F F 4 F 2 1 F 2 380 0 N 2 When asked to choose edge axis choose the datum axis created in last slide PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 Part Module PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 Part Module Edit Add Tools Plugins Undo Delete
49. tion Connector displacement Connector velocity Connector acceleration Continue Cancel Step procedure Boundary condition Boundary condition status Created in this step PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY m Edit Boundary Mame BC 1 Type Displacement Rotation Step Initial Region Picked Edit Region Co s Global Edit ua unt un Note The displacement value will be maintained in subsequent steps _ 4 Seed Mesh Adaptivity Mesh Controls xj Mesh Gdaptivity Feature Tools Part Element Shape Controls Hex 4 Hex daminated 2 Tet E Edge By Number iud Element Technique Algorithm Fart Edge Biased Asis Use default algorithm Region Ki Delete Fart Seed Free Increase size of interior elements ou x C Structured Moderate growth Delete Part Mesh Delete Edge Seeds C sweep 7 Maximum growth Delete Region Mesh ments 1 4 a C Iv Use mapped tri meshing on bounding 7 up Create Bottom Up Mesh Associate Mesh with Geometry Elemen
50. tkom Instance Type Dependent mesh on part Independent mesh on instance change a Dependent instance s mesh vou must edit its part s mesh Suto offset From other instances Apply Cancel Constraint Feature Parallel Face Face to Face Parallel Edge Coaxial Coincident Point Parallel Csys x Clearance PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 3 60 2j 4 Assembly module T Constraint Feature Parallel Face to Parallel Edge Coaxial Coincident Point Parallel Csys x Clearance c PREPARED PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 3 61 Insert new step after Procedure General Dynamic Explicit Dynamic Temp disp Explicit Geastatic Heat transfer Mass diffusion 20115 Static General El Static Riks Continue Mame step 1 Step module Edit Step Mame Step 1 Type Dynamic Explicit Basic Incrementation Mass scaling Other Description Time periad 0 015 Include adiabatic heating effects PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY Cancel 3 62 Interaction Constraint Connector Speci Mame IntProp 1 i rs Contact Property Option
51. tor new sa U2 for Node 9196 PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 23 Result Plot Animate Rep Step Frame Step 1 Step 1 Frame Step Frame Primary Variable Deformed variable Symbol variable Status Variable Step Frame Active Steps Frames Section Points History Output Options Output Variable List only variables with results gt Description indicates complex AC YIELD Active yield Flag at integration points CF Point loads at nodes E Strain components integration points PE Plastic strain components at integration points Equivalent plastic strain at integration points PEM AG Magnitude of plastic strain at integration points RF Reaction force at nodes Stress components at integration points Spatial displacement at nodes Invariant Magnitude Section Points Component 11 Cancel PREPARED BY PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 1 24 isplacement P i Vertidal d P UW Ue 161e 04 2578 02 02 7 9 1 1 ns 1 OS CAYO KAAS ee O90e O1 essent 4548 01 UN CERCA eC S SEN me ee Y o0 Ay DXX RASA SONS
52. tress analysisinew sa odb 2 1812 04 3 6188 02 XY Data from ODE Field Output seu Steps Frames 5817 01 1812 01 Note Data will be extracted From the active steps Frames Active Steps Frames 5458 01 909e 01 2 01 Variables Elements Mades Ese 4 0186 0101 Selection Method Edit Selection selection Delete Selection Pick from viewport labels sets ju m3 Select nodes in viewport Internal sets Highlight items in viewport 2 mmo ODB TEW NET PINIFTE IUE Sut son fe Dn Pun ERE piece 53 Dr n x Select nodes For the display group individually E PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 29 Visualizat N Module XY Plot IC 0 00 m 0 05 0 10 eels 0 20 Displacement Wes 0 30 58 0 40 Time PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 1 30 7 Visualization Module XY data transfer to excel Plot Animate Report Options Tools Plug ins H Field Output 3 2 PO Module visualization ODE CJ amp bqworkistress analysislnew sa adb 9 0 00 ME XY Data Setup 0 05 RUE File
53. ttom Edi Region Mechanical constraint Formulation m contact method sliding formulation siding Smal siding Note Clearance can only be used with small sliding in the First analysis step Contact interaction property Create Weighting Factor Use analysis default C ed Contact controls Default Y Cancel L e PREPARED PRADEEP GUDLUR TEXAS amp UNIVERSITY EXAMPLE 3 64 Interaction module Interaction Constraint Find contact pairs Property Manager Edit Copy Rename Delete Suppress Resume Contact Controls Name lia Procedures Types for Selected Step General contact Explicit Surface to surface contact Explicit SelF contact Explicit Acoustic impedance Int 2 Surface to surface contact Explicit Step Initial First surface dle top 1 die top Edit Region Second surface metal 1 metaltop Edi Region 1 Mechanical constraint Formulation Peay contact method sliding formulation Finite sliding C Smal siding Switch Clearance Note Clearance can only be used with small sliding in the First analysis step Contact interaction property Create Weighting Factor Use analysis defaut sed Contact controls Default OK Cancel PREPARED BY PRADEEP GUDLUR TEXAS amp UN
54. v EIGFREQ For Whole Eigenvalue ETGVAL For Whole Generalized mass GM For whale 1 5 Participation Factor x companent Whole Model Participation factor x rotation Far Whale Model Participation Factor y component PF2 For Whale Madel Save Dismiss 1 0 0 5 0 0 0 5 10 15 20 28 30 35 4 45 20 55 55 70 TS 80 85 90 95 100 Made number Whole Model PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 87 File Edit View Format Help 22 813 al 5 EIGENVALUE OUTPUT Refer sections 7 5 and 7 6 of Getting started with Abaqus interactive edition manual for a more detailed post processing of a similar problem 7 EIGENVALUE FREQUENCY GENERALIZED Mio COMPOSITE NODAL DAMPING RAD TIME CYCLES TIME 1 6 01331E 05 775 46 18040414 33 30 0 0000 2 6 17175EH05 785 80 18594113 31 2803 0 0000 J 1 67845E 06 185548 2018 18 IU P TS 0 0000 3 972 79E 06 SRM UE 88 381 0 0000 1 03125E 07 511 03 20 058 0 0000 b 1 03382E 07 3215 3 21 22 0 0000 1 3 21542 07 5671 4 402 2 Or 137 For Help press F1 PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 88 Example 5 Modeling of 2D Particle Reinforced Composite PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 5 89 90 EXAMPLE 5 PREPARED
55. y Var S Mises Deformed Var U Deformation Scale Factor 1 0 00 PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 3 71 Example 4 Frequency Analysis of Gear Refer Section 2 5 1 Abaqus Theory manual PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY EXAMPLE 4 72 Problem descripti A LEA ERR pba Yale Ae BSR gt Py 200707 Ree ode 200 LN AER DANS pv n DH LA PRORA TATE EEE ERODE PEPPER ASO gt S XS eS xe DU A DS qe SPEYER s he Re Val Vid al Ze SSE ET ET MOS 24 LO eS ANN x Ace Tn NIE rere i TASSE Ses s e ARN se LIS EA a P EXAMPLE 4 73 PREPARED BY PRADEEP GUDLUR TEXAS A amp M UNIVERSITY t Module Create Part 1 Modeling 5pace v 3p 2 Planar Axisymmetric Type Options Deformable Discre

Stress and strain measures

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