SVDynamic User`s Manual - SoilVision Systems, Ltd
Contents
1. 8 1 Model Properties Dialog 0e meereoronncanonnonccnncanenncnnnarnnnonnnannanonnnannanonnnos 8 2 Importing Geometry from SVSOlid 1 1 eee tee 8 3 Defining Initial COomnditions eee ee ee eterna 9 Menu System Ord File MOU series ese cttecs ext conecvcedar testers shecte odiado 9 1 1 Open Close Save 9 1 2 Exporting 9 1 3 Printing 9 1 4 Send Email of ON N O QOQ 0 0 O OH 10 10 10 11 11 12 13 14 14 14 14 15 15 15 15 17 17 17 18 18 18 18 W SOILVISION SYSTEMS LTD Table of Contents 4 9 2 Model Menu 9 2 1 Model Properties 9 2 2 Model Settings 9 2 3 Geometry DAN na A A ia 9 24 Initial COMOROS oo A di A a aia aovauweoes 9 2 5 SVDynami 9 2 6 SVDynamic Soil Properties c Boundary Conditions occcccccnnnnnnnnnnnnnnnnnnonnnnnnnnnnnonnnonnnonnnonnnonnninnninncn ns 9 3 Draw Menuen eaa haee lisas 9 3 1 Artwork 94 Edit Menn imene aa e nn eran teas 9 5 Format Men 9 5 1 Format Ax EEE E T E TT SA AAA AA E T ais 9 6 View MenUerreorconconconinncncnnnncnnonconnnnncononncnnnennennrnnonnnnnennrnnnnnnennennennonnnnnennnnnnnnnannenncanianenness 9 6 1 STINGS tia tii ii O A NON 9 6 3 World Coordinate System 9 7 AMalyZBecccccoconnnonanenonannnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnnnnnnennnnnnananinnnss 9 7 1 Analysis Message Window 9 7 2 Analysis Completion ii A A A tt ae 9 7 3 Analysis Report2. giving a description for the command button It is also a standard procedure to duplicate all of the command buttons with an option in a drop down menu The descriptions that appear in the tool tip will be the same as the description used in the menus to allow the users to easily match command buttons and its equivalent menu option The menu options are included to allow the software to be fully functional through use of the keyboard 2 2 2 Locating Files and Directories The ability to locate files and directories is essential to operating SVDYNAMIC The standard Windows file dialog is used to locate files on your computer To open a file from this dialog the User can do any one of the following e Type the name of the file in the File name control area and then click Open You may want to include the path to the file if the file name is not currently displayed in the window e Select a file from the window by clicking on it and then click the Open button e Open a file by double clicking on its name in the window The program that is currently running on your computer opens the file you selected SOILVISION SYSTEMS LTD Getting Started q of 30 2 2 3 System Messages If a program encounters an action that it cannot perform it will provide a system message that will allow you to try to continue with the desired action or cancel the desired action This is a standard Microsoft Windows feature SVDYNAMIC has adopted the same standard a
3. svDYNAMIC 2D Dynamic Programming Slope Stability Modeling Software User s Manual Date Last Edited July 10 2007 Written by Murray Fredlund Ph D Gilson Gitirana Ph D Robert Thode B Sc G E Edited by Murray Fredlund Ph D SoilVision Systems Ltd Saskatoon Saskatchewan Canada Software License The software described in this manual is furnished under a license agreement The software may be used or copied only in accordance with the terms of the agreement Software Support Support for the software is furnished under the terms of a support agreement Copyright Information contained within this User s Manual is copyrighted and all rights are reserved by SoilVision Systems Ltd The SVDYNAMIC software is a proprietary product and trade secret of SoilVision Systems The User s Manual may be reproduced or copied in whole or in part by the software licensee for use with running the software The User s Manual may not be reproduced or copied in any form or by any means for the purpose of selling the copies Disclaimer of Warranty SoilVision Systems Ltd reserves the right to make periodic modifications of this product without obligation to notify any person of such revision SoilVision does not guarantee warrant or make any representation regarding the use of or the results of the programs in terms of correctness accuracy reliability currentness or otherwise the user is expected to make the final evaluation
4. The model properties dialog contains general information related to the current model The project under which the current model is organized as well as the System and the Type of the current model are recorded None of the parameters in this dialog can be edited The proper procedure for changing any of the model properties is to save a copy of the current model under a new folder model name 9 2 2 Model Settings Select Model gt Settings to open the Settings dialog The Settings dialog controls information related to model definition as well as analysis parameters e Slope Direction SVDYNAMIC allows the flexibility to solve a model with a slope oriented in either direction i e slopes facing the right or left Select either Right to Left or Left to Right from the Slope Direction combo box This setting determines the orientation of the search boundary and assumes that the geometry and ground surface are defined accordingly The default slope direction is Right to Left e Initial Factor of Safety Estimate SVDYNAMIC will use the designated initial factor of safety at the beginning of an analysis The closer this value is to the final factor of safety the faster the analysis will converge The default initial factor of safety is 1 5 e Convergence Tolerance This parameter controls the desired accuracy of the converged solution A smaller convergence tolerance results in a solution with greater accuracy The smaller tolerance may t
5. Manual is designed to familiarize the user with the basics of using SVDYNAMIC for the creation of their own models SVDYNAMIC is primarily based on the research work of Ha Pham performed at the University of Saskatchewan Saskatoon SK The theory and verification of the programming method implemented in the software is presented in his thesis as well as in the Theory section of the SVDYNAMIC Manual The features and capabilities specific to SVDYNAMIC are provided in the User s Manual It is intended that SVDYNAMIC be used in conjunction with the SVSOLID software Reference should also be made to the SVSOLID User s Manual since many of the features are the same for the two software packages THIS MANUAL IS INTENDED TO BE USED IN CONJUNCTION WITH THE SVSOLID USER S MANUAL Tip 2 2 Basic Windows Skills The following will provide directions on the overall operation of dialogs and menus within SVDYNAMIC 2 2 1 Windows Fundamentals SVDYNAMIC adopts many of the standards that have been implemented within Microsoft Windows The SVDYNAMIC interface consists of the main workspace and many other dialogs that can be opened by clicking buttons selection from the menu or other actions One of the standard features in Windows is the provision of a tool tip for every command button SVDYNAMIC has also adopted this standard The tool tip is accessible by holding the mouse over the command button for a few seconds A tool tip will appear
6. a DAT file can be viewed using the AcuMesh software SOILVISION SYSTEMS LTD Menu System 27 of 30 AcuMesh The AcuMesh command calls activates the AcuMesh back end visualization software module A dialog will appear asking the user which DAT file to open in the current model directory A DAT file must first be specified in the Model gt Reporting gt Output Manager in order for this option to be available for the end user Please refer to the AcuMesh user s manual for full details on the operation of the AcuMesh visualization software FlexPDE When the FlexPDE solver is called using the Analyze function all output which Plots has been designated type PLOT and which have been selected by the user in the Model gt Reporting gt Plot Manager dialog is saved to a PGS file in the current modeling directory This function calls the FlexPDE solver in viewing mode and opens the PGS file in the current modeling directory It should be noted that MONITORS are not saved in the PGS file Verification Verification is a necessary part of any modeling exercise This menu contains the functions that can be used for verification and validation of the current numerical model Node Plots of the total number of nodes in a problem as a function of time or stage can History be obtained using this function It is often interesting to view the mode history in a transient problem If for example a numerical model is being subjected to excitations a
7. along the edge of the CAD window The Rulers are not included in any export of the CAD window and are provided as a drawing aid only Full control over details such as ruler labels tic mark style spacing of the labels and other details can be found under the Format gt Rulers dialog The following specific ruler functions should be noted Choose the Ruler to Format In this option group the user can select the ruler to edit All data below this option group is updated immediately upon selection The user also has the option to hide the current ruler Remaining controls on the dialog can be edited through the use of the following tabs Patterns The purpose of this tab is primarily to allow control over the look of the line and Tab tic marks represented by the ruler Under the Horizontal Ruler Line group box the style of the line can be set as well as the color and weight of the line Option boxes on the right hand side of this page of the dialog allow the user to set the display of major and minor tic marks and the weight of the lines used to represent the tic marks The Minor Division sets the number of displayed tic marks between each label Numbers The formatting of the labels associated with each major tic mark can be SOILVISION SYSTEMS LTD Menu System 23 of 30 Tab accomplished using this tab The category list box displays the major categories for number formatting Specific settings such as the number of decimal points and th
8. in creating and opening numerical models can be found in the help menu of the SVOffice Manager dialog SOILVISION SYSTEMS LTD References 30 of 30 10 References Baker R 1980 Determination of the Critical Slip Surface in Slope Stability Computations International Journal for Numerical and Analytical Methods in Geomechanics 4 pp 333 359 Bellman R 1957 Dynamic Programming Princeton University Press Princeton New Jersey U S A Fredlund D G and Gitrana Jr G F N 2003 Analysis of Transient Embankment Stability using the Dynamic Programming Method Proceedings of the 56th Canadian Geotechnical Conference Winnipeg Canada Sept 29 to Oct 1 Vol 1 pp 807 to 814 Fredlund D G and Rahardjo H 1993 Soil Mechanics for Unsaturated Soils John Wiley amp Sons New York Pham H T V 2002 Slope Stability Analysis Using Dynamic Programming Method With A Finite Element Stress Analysis University of Saskatchewan Canada Pham H T V and Fredlund D G 2003 The Application of Dynamic Programming to Slope Stability Analysis Canadian Geotechnical Journal 40 4 pp 830 847 Yamagami T and Ueta Y 1988 Search for Noncircular Slip Surfaces by the Morgenstern Price Method Proceedings of the 6th International Conference on Numerical Methods in Geomechanics Innsbruck Austria pp 1335 1340
9. on then any point drawn using the mouse in the CAD control will snap to the nearest grid point Snapping applies to all drawn geometry including regions features flux sections and artwork If the OSnap control is turned on and your cursor is placed on a region clicking the right mouse button will cause the cursor to snap to the nearest region point Bold text indicates this control is on Object snapping allows snapping to the line end points of other objects already drawn in the CAD control Use of this setting is recommended when drawing regions which touch each other or drawing flux sections which must start or end at a region boundary The Ortho control will restrict lines in the drawing space to be drawn at angles of 0 or 90 degrees Bold text indicates this control is on The Sticky setting will cause adjacent region node points to move together when adjacent points are moved For example if two regions represented by boxes are side by side and share two node points moving the one region will cause the node in contact with this region to be moved along with it SVDYNAMIC allows you to size the Workspace drawing space such that the maximum area is available The size of the drawing space can be adjusted by dragging the lower right corner of the drawing space The Format tab contains options regarding the method by which boundary conditions and region node points are displayed in the CAD window Boundary Condition Graphics
10. one model can be opened at a time Double clicking on a file from within Windows Explorer will automatically start the SVOffice application and load the designated model SVOffice Manager This command opens the Manager dialog which is the primary method of performing file operations in the context of the modeling software The SVOffice Manager loosely enforces the established directory structure such that models are organized in a logical manner Close Closes the current model Save Saves the current model to the lt model_name gt SVM file It should be noted that in previous versions models were continually saved in the database format The current design works similar to Microsoft Word in that any changes made to a model which are not specifically saved will be lost It is recommended that the save command be initiated every 15 to 30 minutes during model creation Save As Allows the user to save the current model under a new name Once a model is saved under a new name the software i creates a new folder on the same level as the current folder and ii saves the current newly named model to the created folder SOILVISION SYSTEMS LTD Menu System 18 of 30 9 1 2 Exporting It is important that the graphics in the modeling software be exported in a professional quality format The export menu options provide a high quality format to the user Export Geometry This function provides a method for exporting current model geometry to a
11. 3D numerical model Translucency is only applicable to 3D numerical models which are viewed in 3D mode Toolbars The use of floating toolbars is a feature added in the release of SVOffice 2006 The toolbars allow program operations often used by the user to be summarized in logical groups of common functionality Use of the View gt Toolbars menu option allows the various toolbar groups to be turned off or on It should be noted that toolbar buttons are also turned off or on depending on the currently loaded numerical model For example all toolbar buttons with 3D functionality are turned off greyed out when a 2D numerical model is loaded Turning off certain toolbars in some instances can be useful in reducing the clutter on the display 9 6 1 Settings The View Settings dialog is the central dialog for changing the settings of the view coordinate system or the drawing space and the aspect ratio used to display the current model Setting the size of the coordinate system is one of the first steps the user would likely do when a model is being created The specifics of each area of the View Settings dialog can be seen in the following sections It should be noted that the look of the form and the setting contained therein change on this dialog depending if the user is working on a 2D or a 3D model 2D Model In a 2D model there is defined both a World Coordinate System WCS and a View Coordinate System VCS The World Coordinate Syst
12. Dialog 2 ccc ccc ccceccseecccececeeeseccescteeeansstececnceccececsseeeeeessetaceeeeeseueeeesens 98 Results Mentir ei cheating IAS ES Sa Van da E A AE A a SI A we 9 8 1 Results 9 9 Window M elllos tise ce recedes ect cepa ck Waratah nein stants a eds A etn hele syn A paraa aos 9 10 Help Menu 10 References 30 19 19 19 19 19 19 20 20 20 21 21 21 22 23 24 24 26 26 26 26 26 26 27 28 29 30 SOILVISION SYSTEMS LTD SVDynamic Introduction 5 of 30 1 SVDynamic Introduction Welcome to the use of the SVDYNAMIC slope stability modeling software SVDYNAMIC is a sophisticated modeling tool that searches for the critical slip surface through use of the dynamic programming method SVDYNAMIC allows for easy searching for not only the most critical factor of safety but also the optimal location of the slip surface SVDYNAMIC allows geotechnical engineers soil scientists and hydrogeologists to solve a wide variety of slope stability problems commonly found in engineering practice Our software is constantly maintained by a team of world class programmers geological and geotechnical engineers in order to provide a cutting edge product SVDYNAMIC is currently being used by the major geological geotechnical consulting firms and has been subjected to professional peer review FEATURES The following features distinguish SVDYNAMIC from other numerical modeling packages e Searching for the optimum slip surface l
13. Line group box the style of the line can be set to None no line Auto default or Custom allows the user to specify custom settings If Custom is selected then the user can specify the style color and weight of the axis line Option boxes on the right hand side of this page of the dialog allow the user to set the display of major and minor tic marks as well as the location of the tic mark labels Scale Tab The scale tab operates in a manner similar to its operation in Excel The maximum and minimum values of the current axis as well as the crossing point for the opposite axis can be specified The major division setting controls the number of divisions between the specified minimum and maximum values The minor division setting controls how many tic marks will be placed within each major division Numbers The formatting of the labels associated with each major tic mark can be Tab accomplished using this tab The category list box displays the major categories of number formatting Specific settings such as the number of decimal points and the font used for the labels can be designated Title Tab The settings on the title tab allow the text as well as the formatting of the text for the axis titles to be adjusted The font can be specified using the Windows standard font selection dialog A bounding box can also be placed around the text using options under the Title Text Box option group 9 5 2 Format Rulers Rulers are displayed
14. The Critical Slip Surface button opens the Critical Slip Surface dialog that provides a list of the search boundary coordinates The Critical Slip Surface button can be used after a model has been solved e Results gt Distance Plots A Distance Plot can be generated for the input and output variables Any selected variable can be plotted versus the distance along the slip surface This option is available after the problem has been solved 5 1 5 Status Bar The Status Bar consists of controls that aid in drawing and viewing objects in the workspace The current coordinates of the mouse icon are also displayed The Status Bar settings allow the user access to CAD drawing functions which can greatly simplify the input of the model geometry The command settings can be changed by clicking on the Status Bar The drawing settings are also available from the View gt Options dialog under the Grid tab SOILVISION SYSTEMS LTD Tutorial Models 13 of 6 Tutorial Models Tutorial example models for SVDYNAMIC can be found in the separate Tutorial Manual The Tutorial Manual for each software package can be found under the Help menu for each respective package 30 SOILVISION SYSTEMS LTD Modeling Concepts 14 of 30 7 Modeling Concepts SVDYNAMIC is designed to make slope stability analyses fast simple and easy to visualize 7 1 Beginning with an SVSOLID Analysis In order to run a slope stability analysis using SVDYNAMIC a stress analysis must
15. This group box contains options regarding whether or not to display boundary conditions graphics Symbols and colored line segments are used to represent the various types of boundary conditions These symbols and their meaning is defined in the Boundary Conditions SOILVISION SYSTEMS LTD Menu System 26 of 30 section of the user s manual The size of the displayed boundary condition symbols is determined by the B C Graphics Scale text box as specified in percent of the total x distance of the world coordinate system Node Dimension Turning on node dimensioning displays the x and y coordinate of each region node point when viewing a model in 2D mode The font used for this dimensioning can be selected The default for this feature is off Node Symbol The symbols used to represent node points can be selected in this group box as well as the color and the weight of the lines 9 6 3 World Coordinate System The World Coordinate System WCS represents the range of coordinates in the current model that will be considered active in model description Typically WCS boundaries should be selected that are at least 10 larger than the maximum and minimums of the selected model geometry All finite element software codes are designed to function correctly in all four quadrants therefore model solution should be independent of the quadrant in which it is drawn 9 7 Analyze Once a model has been created the next step is to analyze the model From
16. ake longer to converge The default tolerance is 0 001 e Convergence Factor The Convergence Factor controls the number of interactions that will be attempted to reach convergence A factor of 1 provides the fastest solution time but will be less stable in some cases It is recommended that the default value of 1 be used 9 2 3 Geometry Definition The Geometry Definition for SVDYNAMIC models is defined in SVSOLID Please refer to the SVSOLID Geometry Definition section for further details 9 2 4 Initial Conditions Initial Conditions such as Initial Stresses and Pore water Pressures can be imported or defined as data Please check the Model Creation section for more information on defining initial conditions in SVDYNAMIC 9 2 5 SVDynamic Boundary Conditions Boundary Conditions for SVDYNAMIC models are defined using SVSOLID Please refer to the SVSOLID Boundary Conditions section for further details SOILVISION SYSTEMS LTD Menu System 20 of 30 9 2 6 SVDynamic Soil Properties Soil Properties for SVDYNAMIC models are defined using SVSOLID Please refer to the SVSOLID Soil Properties section for further details 9 3 Draw Menu The purpose of the Draw menu is to present the options by which the user can draw objects in the CAD workspace Various objects that can be drawn are listed in the menu system The following topics provide a brief overview for drawing various objects A full description of the properties of each object can be f
17. caled to fit on the current page Print Preview Opens the standard Windows print preview dialog 9 1 4 Send Email This option allows the user to quickly email the model that is currently opened to another person This option is particularly useful if the file is being sent to Soil Vision Systems Ltd in order to receive technical support on a particular issue A duplicate of the sent email is always emailed to the sender It should also be noted that the return email will be set to soilvisionsystems gmail com The user should not reply to this email as it is never checked by the staff at SoilVision Systems Ltd If the model being attached requires any TRI or TBI files as input these files will also be attached to the email provided they are present in the local directory 9 1 5 Check USB Security Key Use this option to quickly check the status of your USB Security Key The security routine will be executed and any errors in accessing the security key or authorizing the current software will be provided This option is useful if you unplug your security key often or are accessing a network security key where multiple licenses may be in use SOILVISION SYSTEMS LTD Menu System 19 of 30 9 2 Model Menu The modeling menu contains the primary commands for the creation of a numerical model The user should progress through the menu in a top to bottom fashion in order to successfully create a numerical model 9 2 1 Model Properties
18. e font used for the labels can be designated 9 6 View Menu SVDYNAMIC provides advanced functionality to allow the user to view the numerical model in a variety of ways Many of the view commands can also be accessed from the View toolbar New to SVOffice 2006 is the ability to view a 3D numerical model in 3D mode prior to obtaining a solution A None of the settings on the view menu affect the output of the numerical model Tip The various selections on the view menu can be detailed as follows Select The select function switches the cursor to the standard select mode Objects can be selected for making changes Double clicking on most objects will bring up the object properties Clicking the right mouse button on most objects will bring up a context sensitive menu Tip which will list available commands relevant to that object Artwork This menu item allows the display of artwork to be turned on or off Artwork does not affect model results in any way but is provided for display purposes only Turning off the display of artwork does not delete any artwork from the system but simply makes the artwork invisible Turning on artwork will re display existing artwork Pan The panning function allows the translation of the CAD viewing window within the world coordinate system Selecting the pan function switches the cursor to a small hand icon which will allow dragging of the model paper workspace Zoom The zoom function allows current vi
19. ed starting at the top of the dialog and working downward SYFlux PROFESSIONAL C S S Model_Files Examples 3D SteadyStateWPstr01 Pstr01 svm 3D DER 117250 156 000 150 068 Grid OFF Snap Off OSnap On Ortho OFF Sticky On 5 1 1 Title Bar The title bar is used to display the project and problem that are currently open The title bar also indicates the current authorization level of the software e g Student or Full 5 1 2 Menu Bar The menu system for SVDYNAMIC is first designed to provide an intuitive to the end user and secondly to guide the user through the logical progression of model creation and solution In general the menu system is designed around a logical left to right and top to bottom progression In other words if a user progresses through the menu options in a left to right and a top to bottom manner they will automatically be guided through the logical steps of model creation SOILVISION SYSTEMS LTD The Workspace 11 of 30 5 1 3 Toolbars Command buttons are located on the floating toolbars implemented in SVOffice 2006 A description of the purpose of each toolbar button can be obtained by moving the mouse over the button Additional description related to the toolbar will then appear as a tool tip The following toolbars are available File View Regions amp Surfaces Drawing Geometry Drawing Artworks Applicaton Selector View Selector Toolbars may be displayed
20. efined as either Stress State data or as Pore Water Pressure data The initial conditions are defined in the Model gt Initial Conditions gt Stress Field menu e Stress State Data Stress state data can be imported from a TBL file generated by the SVSOLID solver The stress state data include stresses in the x direction O stress in the y direction 6 shear stress O cohesion c and the angle of internal friction b Click Browse to specify the path to the TBL file corresponding to the SVSOLID geometry that is being imported The file will be of the format C SVS Model_Files Tutorial 2D SteadyState Tutorial_S VDynamic Tutorial_Tutorial_SVDynamic_Slope StabilityData tbl e Pore Water Pressure Data Pore water pressure u can be imported from a TBL file generated by the SVSOLID or SVFLUX solver Click Browse to specify the path to a TBL file Pore water pressure data are not required in order to analyze a problem If pore water pressures are not input they are assumed to be equal to zero throughout the problem Specifying a Table Plot in the Plot Manager form can create a pore water pressure file in SVSOLID or SVFLUX Tip SOILVISION SYSTEMS LTD Model Creation 16 of 30 e Data Tab The Data tab allows users to define stresses in the form of a table The variables that can be defined include x coordinate y coordinate O Oy Oyy Uys Cs and 0 The stress data and pore water pressure TBL files must have the same gridl
21. em is generally the extents of the numerical model in terms of real world coordinates The View Coordinates System represents the coordinates of the current CAD window View Coordinate System The View Coordinate System VCS represents the range of coordinates displayed in the current CAD window Constrain Proportions This setting locks the proportions of the view coordinate system The Constrain Proportions cannot be adjusted if the CAD window is re sized If Constrain Proportions is not checked then the current model will be stretched or compressed each time the CAD window is re sized Drawing Space in Pixels This group box contains the physical settings of the current drawing space or CAD window Aspect Ratio This group box contains the ratio of coordinate lengths in the x y directions For example specifying an aspect ratio of 1 2 will mean that each y unit length will be twice as long as each x unit length 9 6 2 Options The View gt Options dialog contains general options related to the grid used in model design drawing modes and certain global formatting settings Grid Tab The options on this tab primarily control the options for the Status Bar The current horizontal and vertical grid spacing options can also be specified Grid spacing is always assumed to start from the origin of 0 0 A description of commands is as follows SOILVISION SYSTEMS LTD Menu System 25 of 30 Mouse Coordinates Aspect Ratio Grid On Of
22. emporary file on the hard disk such that the deleted object can be recovered through the use of the Undo function Undo The Undo function reverses the changes made with the last primary command This command could be applied to undo the deletion or addition of an object added to the CAD window It could also be applied to reverse the changes made in the last edited dialog It should be noted that a list of all model changes for a particular session are stored in temporary files in the current model directory Multiple Undo commands will continue to reverse the changes made to the current model in the order they were implemented The Undo feature by default is disabled when a 3D model is loaded in the AcuMesh software because of the added time required to store changes when editing large models The Undo feature can be enabled for large models in AcuMesh through the Options gt Settings dialog in the SVOffice Manager dialog Redo The Redo command reverses the changes made with the last Undo command For example if the user adds a feature to a model and then presses Undo the object will be removed Pressing Redo will bring the object back 9 5 Format Menu Formatting options related to viewing data in the CAD window are contained in the Format menu The functions contained in this menu do not change the model solution A particular emphasis was placed on adding functions to this menu which allowed reasonable views of the data in the context o
23. ew of the model design to be magnified or expanded Typically the zoom function is useful zooming in on a model that has been drawn smaller Holding down the Shift key while pressing the zoom in out toolbar button will cause the current model to be zoomed out By default pressing the zoom Tip toolbar button will always zoom in Rotate The rotate functions are only applicable to 3D model viewing when in 3D viewing mode These functions allow a 3D model to be rotated around one of the coordinate axis A free form rotate functionality is also provided in order to allow numerical models to be rotated in any direction based on the movement of the mouse cursor Lighting The lighting function determines whether the effects of lighting from a single arbitrary light source are applied to the visualization of a 3D model This function is only applicable when viewing a 3D model in 3D mode Turning off lighting will remove the advanced shading of surface polygons Translucency The translucency function controls the way 3D model surfaces and sidewalls are displayed If translucency is turned on the surfaces and sidewalls are displayed as being translucent In other words the user will be able to see through the surfaces and sidewalls SOILVISION SYSTEMS LTD Menu System 24 of 30 If translucency is turned off then all sidewalls and surfaces are displayed as a solid color Turning translucency on is useful when viewing the inner workings of a complex
24. f Snap On Off OSnap On Off Ortho On Off Sticky On Off Sizing The Drawing Space Format Tab The coordinates of the current location of the mouse in the drawing space are located at the left of the status bar Indicates the aspect ratio at which the problem is being viewed The GRID control turns the Workspace grid on or off in the drawing space Bold text indicates this control is on If it is displayed a point will be plotted at each grid intersection point When the grid is off the Snap control is not in effect Select the View gt Grid Spacing button to open the Grid Spacing dialog which allows you to specify the spacing between grid points in the drawing space The grid is used to provide the user with coordinate locations at regular intervals For example the user may want to see grid points plotted every half meter in the x direction or every 1 meter in the y direction in order to simplify the drawing of geometry The grid spacing can be set under the View gt Options dialog on the Grid tab If the user defined grid space is too dense less than 5 pixels after converted into screen coordinates the grid points will not be displayed If the canvas is Zoomed In as soon as the grid spacing gt 5 pixels the grid points will be shown automatically When an object is being drawn the lines or points will snap to the grid point nearest the mouse cursor Bold text indicates this control is on If snapping is turned
25. f the current coordinate system In a 1D or 2D model or a 2D plan view of a 3D model there will appear two sets of axis indicating the coordinates for the current system Descriptions of the methods used to place the current model in space are described in detail in the following sections 9 5 1 Format Axis The axes are by default displayed at the edge of the currently specified world coordinate system These axes are displayed inside the current CAD window and as such are included on any exported visualization of the CAD window Full control over the details such as the axis labels the axis title the tic mark locations the spacing of the labels and other details can be found under the Format gt Axis dialog The dialog is detailed and allows detailed control over how the axis are visualized Control of the details of the axes are valuable for the production of professional report ready graphics The following specific axis functions should be noted Choose the Axis to Format In this option group the user can select the axis to edit All data below this SOILVISION SYSTEMS LTD Menu System 22 of 30 option group are updated immediately upon selection The user also has the option to hide the current axis Remaining controls on the dialog may be edited through the use of the following tabs Patterns The purpose of this tab is primarily to allow control over the look of the line and Tab tic marks representing the axis Under the X Axis
26. first be performed using SVSOLID The geometry boundary conditions and soil properties of the model are all defined within SVSOLID Different stress versus strain and shear strength parameters can be provided for each soil in SVSOLID The first step in a SVDYNAMIC analysis is to import the geometry of the SVSOLID analysis Secondly the stress state data generated by the SVSOLID solver is then loaded to SVDYNAMIC Pore water pressure conditions can either be imported from the results of the SVSOLID analysis or from an SVFLUX seepage analysis that was set up using the same geometry 7 2 Regions A region in SVDYNAMIC is the same as described in the SVSOLID User s Manual The differences in SVDYNAMIC are that a default layer is provided on which art objects can be organized Also the ground surface model grid search boundary and slip surface modeling objects are independent of regions defined in SVSOLID 7 3 Minimum Requirements SVDYNAMIC requires that certain information be provided before a slope stability analysis can be performed e Geometry The geometry is imported from an SVSOLID analysis e Stress State Data Stress state data is loaded from a TBL file generated by the SVSOLID solver The stress state data includes stresses in the x direction G stress in the y direction O shear stress G cohesion c and the angle of internal friction 9 SVDYNAMIC can load pore water pressure conditions from an SVSOLID or SVFLUX a
27. in the context of his her own problems Trademarks Windows is a registered trademark of Microsoft Corporation SoilVision is a registered trademark of SoilVision Systems Ltd SVFLUX is a trademark of SoilVision Systems Ltd CHEMFLUX is a trademark of SoilVision Systems Ltd SVSOLID is a trademark of SoilVision Systems Ltd SVHEAT is a trademark of SoilVision Systems Ltd ACUMESH is a trademark of Soil Vision Systems Ltd FlexPDE is a registered trademark of PDE Solutions Inc Copyright 2007 by SoilVision Systems Ltd Saskatoon Saskatchewan Canada ALL RIGHTS RESERVED Printed in Canada SOILVISION SYSTEMS LTD Table of Contents 1 SVDynamic Introduction 2 Getting Started 2 1 About Documentation is sos tos lll 22 Basic Windows SkKillSw 02 ciccs taa reas er laa e 2 2 1 Windows Fundamentals 2 2 2 Locating Files and Directories 2 2 3 System Messages 2 2 4 Copy and Paste 3 Use of Engineering Judgment 4 Historical Development 5 The Workspace 5 1 Workspace SectiOnS omrroccnnnccnnoncnananna ee terrane tener tenner tats 5 1 1 Title Bar 5 1 3 Toolbars 5 1 4 Drawing Space 5 1 5 Status Bar 6 Tutorial Models 7 Modeling Concepts 7 1 Beginning with an SVSOLID AnalySis e eee ee eee 7 2 Regions bases Lamesa yee tana tease A ee ve cman nines oa A des da 7 3 Minimum Requirements e ccconnoncnncnconnnoncnnnn aa nnn cnn conc nn nc nn naar rre nn 8 Model Creation
28. ines Ensure the gridlines settings are the same on the Plot Manager form in SVSOLID or Tip SVFLUX The solver default is a 51 X 51 grid SOILVISION SYSTEMS LTD Menu System 17 of 30 9 Menu System The menu system for SVDYNAMIC is designed to be first intuitive to the end user and second to guide the user through the logical progression of model creation and solution In general the menu system is designed around a logical left to right and top to bottom progression In other words if a user progresses through the menu options in a left to right and a top to bottom manner they will automatically be guided through the logical steps of model creation 9 1 File Menu The following operations are available for files in SVDYNAMIC The SVOffice 2006 software maintains the traditional folder structure found in previous versions of the software The following functions are provided in the software for saving opening exporting and printing models More information on file storage can be found under the Help system contained with the SVOffice Manager dialog Description of specific functions is as follows Recent Files Provides a list of the most recently opened models Exit Closes the current model and exits the program 9 1 1 Open Close Save Model data in SVDYNAMIC is stored in XML text files which may be opened by the user for viewing Open The open command opens a new XML model file Files are tagged with a SVM file extension Only
29. luence the solution 1 A slip surface that reaches the base of the problem may not be a good representation of the actual slip surface unless the base is considered to be bedrock To allow the slip surface to be fully defined increase the depth of the problem 2 Itis recommended that the slip surface be allowed to have a horizontal portion of a least 2 stages SOILVISION SYSTEMS LTD Menu System 28 of 30 1 e a stage is the distance between vertical gridlines on both the left and right sides of the problem By extending the search boundary width more of the problem can be taken into consideration to allow a fully developed slip surface 9 8 1 4 Distance Graphs Once an analysis has been completed and the slip surface generated distance graphs can be plotted A distance graph is an input or output variable versus distance along the slip surface The variables that can be plotted are Input Variables Stress in the x direction O Stress in the y direction O Shear stress Oxy Cohesion c Friction angle q Pore water Pressure u Output Variables Shear Resistance T Acting Shear Force Tp Shear strength T Acting Shear Strength Ta Slip surface segment angle a Press the Plots button or select Model gt Plots to open the Distance Graph form When the form is first opened a graph of the x direction stress will be plotted Use the Select Plot combo box to select a graph of another variable Distance graph values a
30. nalysis Tip e Ground Surface The ground surface elevation over the extent of the model must be defined e Search Boundary The search boundary defines the area of the model to be considered for a potential slip surface SOILVISION SYSTEMS LTD Model Creation 15 of 30 8 Model Creation Organizing models by project and problem is the same as in SVSOLID with the exception that SVDYNAMIC has only one system of analysis i e a 2D analysis For further information please refer to the SVSOLID User s Manual 8 1 Model Properties Dialog Select Model gt Properties to open the Model Properties dialog This dialog provides a summary of the organization of the Model The description can be updated in the Model Properties dialog This dialog can also be used to record notes on the problem as the problem is being defined and solved 8 2 Importing Geometry from SVSolid The geometry for an SVDYNAMIC analysis must be defined in SVSOLID The geometry is then imported into SVDYNAMIC by selecting Window gt SVDYNAMIC in the menu The import includes regions region shapes world coordinate system settings and water tables The units for the SVDYNAMIC model are set to the SVSOLID model units during import To import the geometry from a SVSOLID problem 1 Define all geometry initial and final conditions boundary conditions and soil properties 2 Select Window gt SVDYNAMIC 8 3 Defining Initial Conditions Initial Conditions can be d
31. nd will provide you with detailed messages if the program encounters an action it cannot perform A detailed message will also be provided if you have not supplied sufficient information to perform a specific task 2 2 4 Copy and Paste Data from external sources such as spreadsheets text documents and other SoilVision software can be pasted into SVDYNAMIC in one of several ways Any single number or text can be pasted into an appropriate single field in most dialogs Select the text in the text editor and press Ctrl C on the keyboard Then select the destination field in SVDYNAMIC and press Ctrl V on the keyboard SVDYNAMIC allows the copying and pasting of columns of data directly into certain dialogs This action increases the speed at which models can be created Instructions for pasting information into these dialogs are located in the corresponding sections SOILVISION SYSTEMS LTD Use of Engineering Judgment 8 of 30 3 Use of Engineering Judgment The results of a SVDYNAMIC analysis should not be applied to an engineering design without first being filtered through professional engineering judgment It has been a priority at SoilVision Systems Ltd to benchmark the results produced by SVDYNAMIC against solutions that are well known The results of these comparisons may be found in the verification manual included with the SVDYNAMIC software It is recommended that the simple to complex methodology be applied when solving a particular
32. ocation i e circular or noncircular e Solution of factor of safety using limit equilibrium methodology e Easy to use e Stress deformation analysis for increased realism in the representation of the stress state e Import of pore water pressures from SVFLUX A list of detailed features of the SVDYNAMIC software is presented in this User s Manual APPLICATIONS Implementation of the SVDYNAMIC software allows solutions to be generated for the following types of problems Slope stability of mining open pits Slope stability related to road embankments and excavations Slope stability of earth dams Slope stability related to infrastructure development An attempt has been made to minimize the complexity normally associated with numerical modeling It is our sincere hope that your use of the SVDYNAMIC software will prove to be a pleasant one I welcome any comments and suggestions you may have Best regards Murray Fredlund P Eng Ph D President CEO SoilVision Systems Ltd SOILVISION SYSTEMS LTD Getting Started 6 of 30 2 Getting Started This chapter provides information to help you get started with SVDYNAMIC 2 1 About Documentation Documentation for SVDYNAMIC consists of two separate manuals namely the User s Manual and the Tutorial Manual The Tutorial Manual guides the user through a series of standard example models detailing how to define and solve a model Modeling tips are provided to assist the user The Tutorial
33. or hidden through the View gt Toolbars menu 5 1 4 Drawing Space The drawing space is comprised of the CAD control used to present various 1D 2D and 3D views representing model design All editing of the model can be done using graphical drawing commands in the drawing space Objects represented in the drawing space are either graphical artwork which do not affect model output or model geometries which are directly used in model creation Double clicking on any particular graphical object will open the Properties dialog associated with that particular graphical object SVDYNAMIC provides the ability to describe geological features that naturally occur Regions and other objects can be drawn in the two dimensional axisymmetric drawing space in cross sectional view The plan view system operates as a 2D or Axisymmetric analysis except that the regions and objects are drawn in plan view The drawing space is the area where geometry is added edited and displayed as well as where other objects such as water tables illustration objects and features are viewed The main features of the drawing space are the grid limits and view The Workspace grid can be edited by changing the spacing between grid points or by turning the grid spacing on and off The grid spacing is controlled from the Workspace Grid Button located on the View toolbar while the Workspace grid is turned on and off using the GRID option in the status bar The limits of the dra
34. ound under the Help section of the object dialog 9 3 1 Artwork The Draw gt Artwork menu allows the drawing of lines text as well as allowing bitmaps to be inserted into the drawing space When an artwork command is selected the shape of the cursor will change to signify the drawing mode The user can cancel the drawing mode and go back to the select mode by pressing the Select icon on the toolbar or proceeding to View gt Select in the menu system Art Objects are drawn on the region displayed in the region selector Art objects are for visualization purposes and do not affect the model solution If art objects are deleted from a specific region the objects will also be deleted All artwork geometry does not affect the model outcome and is for illustrative purposes only Lines can include an arrow at either or both ends The properties of a line or text object can be edited by double clicking on that object It should be noted that artwork is located using only x y coordinates This means that when artwork is placed on a 3D image it is not located in 3D space and will not rotate with the model 9 3 1 1 Draw Text Use the following steps to add text to a model 1 Select the Draw gt Artwork gt Text button from the menu The cursor will turn into a cross hair Click the insertion point in the drawing space with the mouse The Format Text dialog will appear Enter the text in the space provided and select the desired properties for y
35. our text Click OK and the text is added to the model AO Textbox properties include a border fill various font settings and orientations Set the World Coordinate System location for the center of the textbox by specifying the Tip coordinates Double click on any textbox in the workspace to bring up the dialog to change the properties or define a new location for the textbox Setting a property to automatic will reset to the defaults A custom setting indicates that the properties are different from the defaults 9 3 1 2 Draw Line Art Line art can be drawn for any model Line art does not change the geometry of a model and will not be added to any plots To enter line art click on the Line Art button and draw in the line Double click the last point to finish the line SOILVISION SYSTEMS LTD Menu System 21 of 30 9 3 1 3 Insert Image To insert an image to the model workspace select Draw gt Artwork gt Insert Image A window will pop up prompting the user to Browse for the desired image file that is to be placed Once the image is placed it can be dragged anywhere on the workspace 9 4 Edit Menu The edit menu implements standard Microsoft Windows editing functions such as the delete undo and redo functions These functions are implemented in a manner consistent with established Windows standards Delete The Delete function deletes the object currently selected in the CAD window The deleted object is then moved to a t
36. problem with SVDYNAMIC The simple to complex approach involves beginning all modeling projects with a simple representation of the physical system that can be verified using hand calculations A variety of further complexities can then be added to the model while the user carefully observes the change in results created by added level of complexity The reasonableness of changes in the computed results must be subjected to professional engineering judgement SOILVISION SYSTEMS LTD Historical Development 9 of 30 4 Historical Development The first version of SVDYNAMIC was released in September 2003 SVDYNAMIC has been developed based on the research work performed in this area by Baker 1980 Yamagami and Ueta 1988 as well as Pham and Fredlund 2003 and Fredlund and Gitirana 2003 SVDYNAMIC appears to be the first commercial software to utilize the dynamic programming methodology for determining the critical slip surface and the corresponding factor of safety SOILVISION SYSTEMS LTD The Workspace 10 of 30 5 The Workspace The workspace represents the drawing CAD window as well as the buttons and menus that allow access to the primary functionality of the software It is through this interface that the user can interact with the software The following sections outline details related to using the SVDYNAMIC user interface 5 1 Workspace Sections The workspace is divided into five main sections Each of these sections will be discuss
37. re plotted at the slip surface points and midpoints for the input variables and at the slip surface midpoints for the output variables Tip 9 8 1 4 1 Formatting the Distance Graph The axis gridlines titles and data series can all be formatted on the distance graph Select the appropriate button on the right side of the form or double click an item on the graph to open the corresponding formatting form A Each Distance graph formatting form has an automatic custom and none setting Automatic is the SVDYNAMIC default custom is the user defined settings and Tip none will cause the item to not be displayed The formatting settings are retained for every graph in every problem in the database 9 9 Window Menu Part of the new integrated design of SVOffice includes the ability to switch back and forth between the various component software packages For example if the user is solving a slope stability model using SVDYNAMIC they may want to go to SVSOLID to change the stress model and then go back to SVDYNAMIC to obtain a better solution This functionality of switching between the various components is provided in the Window menu as well as the Application Selector toolbar SOILVISION SYSTEMS LTD Menu System 29 of 30 9 10 Help Menu The help menu of our software provides links to resources which will aid in successful model creation The help menu for each software package brings up help related to the particular software at hand Help
38. t various time steps this may be reflected in increased node density It should be noted that it is easier for the solver to justify creating nodes than releasing them through a relaxation Therefore created nodes may remain even if the original excitation which caused the introduction of the modes disappears The Results menu also provides QA QC functionality for exploring the quality of the obtained solution View the following sections for further details 9 8 1 Results This section explains how to view the results of a slope stability analysis 9 8 1 1 AcuMesh The AcuMesh command starts the AcuMesh back end visualization software module A dialog will appear asking the user which DAT file is to be opened in the current model directory A DAT file must first be specified in the Model gt Reporting gt Output Manager in order for this option to be available to the end user Please refer to the AcuMesh User s Manual for full details on the operation of the AcuMesh visualization software 9 8 1 2 Slip Surface Dialog The Slip Surface dialog has a list of the slip surface points generated by SVDYNAMIC To open the Slip Surface dialog use the Slip Surface button or select Model gt Slip Surface from the menu Click on a point in the list to highlight it in the workspace 9 8 1 3 Slip Surface Considerations The slip surface generated by SVDYNAMIC is primarily dependent on the stress state in the soil but other modeling factors can inf
39. text file Only the geometry is exported Flux sections artwork boundary conditions soil properties and other non geometry objects are not exported The purpose of this function is to allow the export of the geometry for import into a different numerical model for comparison purposes The following should also be noted with this feature e Circle objects are not exported e Comma separated formatting is used which can easily be imported into Excel e Column titles in the export file are Region Shape x and y coordinates a closing point should be written out for each region the starting and ending points are the same e File is always written out to the current model folder e 3D Surface files are written out to a separate file within the same folder The title of this file is lt Selectedname_Surface gt txt Format of the file is Surface x y z Export As Exporting of the current model in the form it is displayed in the CAD window can be accomplished with the Export As function Supported raster formats are BMP EMF GIF JPG PNG TIF High quality vector output is available by performing the export function using the EPS format 9 1 3 Printing Functions associated with printing the model design are as follows Page Setup Standard Windows printer setup dialog Print Opens the Windows standard print dialog so that the image in the CAD window can be sent to the currently selected printer The image will automatically be s
40. the menu select Solve gt Analyze or press the Analyze button in the toolbar SVDYNAMIC will begin solving the problem and will open the Analysis Message Window 9 7 1 Analysis Message Window At each iteration of the solver a new assumed factor of safety will be displayed along with the current analysis time If any errors occur the corresponding message will be displayed and the solving will stop The Stop button can be pressed in order to stop the solver after finishing the current iteration 9 7 2 Analysis Completion After the SVDYNAMIC solver has analyzed a problem it will display the final factor of safety and analysis time in the Message Window The resulting Slip Surface will also be drawn in the workspace and the factor of safety for the slip surface will be shown in the upper right portion of the workspace 9 7 3 Analysis Report Dialog The analysis report is a summary of the messages provided while the problem is being solved Select Solve gt Report from the menu to open the Analysis Report Form To print the report press the Print Report button to open a printable format of the report Press the printer icon to send the report to the printer 9 8 Results Menu SVDYNAMIC provides advanced functionality that allows the user various options in order to view model output in a number of different ways In particular model output related to the FlexPDE plots created during model solution can be viewed or the results exported to
41. wing space are set using the View Settings dialog located in the View gt Settings menu When an object is selected in the drawing space the Region Selector is updated to show the region that has been selected For three dimensional problems the surface selector always displays the active surface 5 1 4 1 Workspace Object Hierarchy SVDYNAMIC has an established hierarchy for displaying objects in the drawing space Objects higher in the list will appear over top of objects that are lower in the list The hierarchy is as follows 1 Sketching text and lines top layer 2 Boundary condition graphics 3 Flux sections SOILVISION SYSTEMS LTD The Workspace 12 of 30 4 Features 5 Regions order specified by region ID if Boundary Condition graphics are ON the region geometry does not need to show 5 1 4 2 Command Buttons The following information summarizes the functionality of each command button specific to the SVDYNAMIC interface The description that appears beside each command button is the name of the menu followed by the command name For example the Search Boundary command can be found in the Model menu e Model gt Ground Surface The Ground Surface button opens the Ground Surface dialog that allows entry and editing of the ground surface coordinates e Model gt Search Boundary The Search Boundary button opens the Search Boundary dialog that defines the search boundary coordinates e Results gt Critical Slip Surface
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