User Manual - Dassault Systèmes
Contents
1. Extract just the last increment in a step Export vectors as tensors Extract Stresses at Elementnodes recommended Force model refresh Figure 3 4 Pre scan issue related checkboxes 12 fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Preparing FE Models for use with the fe safe component 4 Preparing FE Models for use with the fe safe component 4 1 Supported Abaqus Releases Currently the Abaqus releases supported by Isight in fe safe are the same as are supported in the fe safe stand alone application this means from Abaqus 6 4 on Windows platforms and Abaqus 6 6 on Linux platforms 4 2 Model Consideration There are no additional requirements for FEA modelling and analysis for use in the fe safe component Any analysis you have performed in the fe safe application can be used with the fe safe component for Isight 4 3 General Advice e If you are going to use an existing fe safe project in your Isight simulation process flow it is recommended to make a backup copy of it e Note the required data units to be used Pa MPa N mm e Upgrade your odb if it is older than specified in Section 4 1 of this Chapter safe technology limited fe safe component for Isight User Manual 13 Isssue 1 0 Date 12 01 2012 Tutorial A Standard Fatigue Analysis 5 Tutorial A Standard Fatigue Analysis Using an odb file 5 1 Introduction This tutorial ou2. Figure 2 2 The fe safe component editor safe technology limited fe safe component for Isight User Manual 7 Isssue 1 0 Date 12 01 2012 Using the fe safe component for Isight The FEA solution file box is used to indicate to fe safe what FEA solution to open The Appended solution box can be used to append additional FEA solution files The selection boxes below control the data to be read from the solution files Note At this release pre scanning of FEA solutions is not supported when using sight as fe safe has no way at present to replay the pre scan choices when the solution is refreshed by subsequent runs The FEA solution is loaded in full every time it is updated by components upstream of fe safe When you have indicated the primary FEA solution file the Project Directory box is automatically populated with a path to a project directory based on the name of the solution file This can be changed to any chosen path as required For portability reasons it is recommended to keep all the sight model resources together in the same directory Now the solution file is known you can configure the analysis Click the Edit project button at the lower right This opens the fe safe GUI in a component mode and starts to load the model in full This is a special mode used when some other process is controlling the input and output files for fe safe and accordingly all controls that allow a user to manipulate the paths to those files hav
3. Shell Output Solution File Figure 6 5 Parameter mapping fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Groups gt Analysis Group 1 Tutorial B Surface Finish Sensitivity Analysis 6 1 4 Configuring and running the loop 1 Go back to the Sim flow tab double click the loop component and set up the loop according to Figure 6 6 Loop Type For This loop will iterate through a sequence of values ofthe selected parameter and execute the subflow at each iteration Parameter gsf FA From Constant 1 0 To Constant 2 0 Increment Constant m 0 1 Action when a run fails Fail Loop Execute all iterations in parallel Figure 6 6 Loop setup 2 Start the loop by clicking the run button or by pressing F4 The Isight Runtime Gateway opens and you can follow the progress in the different tabs 6 1 5 Monitoring the analysis status and viewing the results 1 Expand the Parameters 3 icon in the Model Selection tree 2 Switch to the History tab You will see the results of the loop runs and you can watch them update in the Preview Graph window to the right as shown in Figure 6 7 safe technology limited fe safe component for Isight User Manual 23 Isssue 1 0 Date 12 01 2012 Tutorial B Surface Finish Sensitivity Analysis W Graphs i E Summary ri mii a gf Graphs Overview x i
4. 3 a Datasets Figure 3 2 Stress unit defaults to Pa safe technology limited fe safe component for Isight User Manual 11 Isssue 1 0 Date 12 01 2012 Interface Reference 3 3 fe safe Component Settings If you wish to import all increments from an FE analysis i e a sequence of stresses strains the relevant box on Project setup tab see Figure 3 3 needs to be deselected Create new fe safe project FEA solution file Appended solutions Appended solution file 1 E Read geometry Read strains from FE Models Read forces from FE Models Extract strains from EE PE rather than E W Detect surface V Extract just the last increment in a step Figure 3 3 Default setting to extract only the last increment in a step Due to the pre scan issue mentioned in Chapter 2 Section 2 3 1 you need to be aware of two checkboxes in the fe safe Isight component dialog box These are Read Geometry and Detect Surface If you are using a 3D solid model as input and want to detect the surface you need to select the Read Geometry box If you are using a 3D shell model this is not necessary The checkboxes are highlighted in Figure 3 4 Project setup Isight parameters Create new fe safe project FEA solution file Appended solutions Appended solution file 1 W Read geometry Read strains from FE Models Read forces from FE Models Extract strains from EE PE rather than E W Detect surface
5. is a registered trademark of the Battelle Institute e Adobe the Adobe logo and Acrobat are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and or other countries e Microsoft Windows Windows XP Windows Vista and Windows 7 are either registered trademarks or trademarks of Microsoft Corporation or its subsidiaries in the United States and or other countries e Abaqus and SIMULIA are trademarks or registered trademarks of Dassault Systemes or its subsidiaries in the United States and or other countries e MSC MSC Nastran MD Nastran Patran and MD Patran are trademarks or registered trademarks of MSC Software Corporation or its subsidiaries in the United States and or other countries e NX is atrademark or registered trademark of Siemens Product Lifecycle Management Software Inc or its subsidiaries in the United States and in other countries e NASTRAN is a registered trademark of the National Aeronautics Space Administration IDEAS Master Series is a registered trademark of Structural Dynamics Research Corporation e ANSYS ANSYS Workbench and any and all ANSYS Inc brand product service and feature names logos and slogans are trademarks or registered trademarks of ANSYS Inc or its subsidiaries located in the United States or other countries e HyperWorks HyperView OptiStruct RADIOSS the Altair Engineering Logo and all Altair Engineering product names are trademarks or registered tr
6. Block D Repeats 15000 H Scale 1 O Stress Dataset 1 7 4 MI Elastic Block O Repeats 15000 aa Scale 1 O Stress Dataset 8 18 Figure 5 7 Completed load definition in fe safe component mode fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Tutorial A Standard Fatigue Analysis 7 Exit fe safe component mode and you will be returned to the fe safe component editor in Isight 8 Close the component editor dialogue box the fatigue analysis has now been defined and is ready to run 5 2 3 Running the analysis and viewing the results 1 Run the analysis by highlighting Task1 and then clicking the run button or by pressing F4 The analysis runs to completion and presents the following depiction in the Isight Runtime Gateway The chequered flag indicates a successfully completed task The figure next to the flag States how many runs have been performed Be 4 7 si fe safe Figure 5 8 The completed fe safe analysis launched from withing Isight 2 Expand the Model Selection tree and highlight the Value output as shown in Figure 5 9 Switch to the history tab to see the life result value in Miles The value is app 26 6 miles Alternatively you could view the result in the Preview Graph window to the right in the Isight Runtime Gateway Model Selection Untitled 1 eee K a Is g Ea Task 1 Beas a nS eA TNE so Maaa Run Path
7. Issue 1 0 Date 12 01 2012 Introduction to the fe safe component for Isight 1 4 How to Use This Manual Chapter 2 Using the fe safe component for Isight provides an overview of the actions required in order to perform an fe safe analysis as part of a simulation workflow in Isight It also contains details on installing and publishing the fe safe component in Isight and briefly explains how the component works Chapter 3 Interface Reference offers further details of the available options The prerequisites for FE models to be used with the fe safe component for Isight are explained in chapter 4 Preparing FE Models for use with the fe safe component and Isight Worked examples of the process are provided in tutorials A and B Users new to fe safe Because this manual assumes some familiarity with fe safe it will be necessary to learn a little about the main program first Work through some of the tutorials in the fe safe User Manual including at least one demonstrating the use of data from Abaqus then return here fe safe users new to Isight Some understanding of the Isight workflow is required to make the best use of the software The Isight Getting Started Guide from Simulia provides learning material for those unfamiliar with the software Read Chapter 4 Chapter 2 then work through Tutorials A and B to familiarise yourself with the fe safe component in Isight Once you have done this follow the procedure described in Chapter 2
8. Sa hi E Life Miles value E Files 2 Parameters 5 S E O uife mies i L Any Damage i a L Item o shel a value Figure 5 9 Viewing the life result in the history tab 26 597 3 Save the results in the folder named Isight as single run zrf and then close the Isight Runtime Gateway 4 Save the simulation process flow as single run flow zmf in the same folder 5 Exit the Isight Design Gateway You have now completed tutorial A safe technology limited fe safe component for Isight User Manual 19 Isssue 1 0 Date 12 01 2012 Tutorial B Surface Finish Sensitivity Analysis 6 Tutorial B Surface Finish Sensitivity Analysis Using an odb file 6 1 Introduction This tutorial outlines how to perform a parametric study of the global surface finish sensitivity on an fe safe fatigue analysis from within Isight This analysis is based on a model of a tapered cantilever steel beam subjected to an eccentric load as shown by the arrows see Figure 5 1 as used in Tutorial A f ae a a ee p a i A d Figure 6 1 Tapered cantilever beam subject to eccentric loading 6 1 1 Creating the Workflow in Isight To create the workflow follow the steps as defined in section 5 2 1 with three minor exceptions 1 The odb file is stored in lt DataDir gt Tutorial B odb step 3 2 Use the file cantilever 2 odb instead of cantilever 1 odb step 3 3 Use project tutorial B in
9. T 2 0_eemp e working fe cafe files erejact_227 ycks yoo 0 Life resulte bean odb wa actor ot Htrengti FCS disabled 7 Proseblity of alurse cieablac factor cf Strength C5 cisaded __Frobbey Eup s Hone Probazilty Probability of faiures cisaated naes Int Cost Gages sanle Inhiewe Cnet daala Cxports a Hore a RA eee Gauges ICat Gauges disaded Irfuctoc Coccts deabked Anslyse Figure 3 1 fe safe stand alone GUI left and Isight component GUI right The differences are all located in the Fatigue from FEA window In component mode the buttons for choosing the source file and output file have been removed they have been moved to the Isight component editor Also the Analyse Button has been removed since the purpose of the Isight component is to run fe safe from inside the simulation process workflow 3 2 fe safe Project Settings If you choose to create a new project from the fe safe component in Isight and to then edit the project it is important to make sure the units in the Current FE Models window are configured as expected For instance fe safe defaults the stress units to Pa as shown in Figure 3 2 those must be changed if required This is done by right clicking the top row in the Current FE Models window choosing Properties from the context menu and then selecting the stress unit from the drop down menu Current FE Models ol s Pa e strain t deg C f N d mm
10. aS appropriate any reseller be liable for any damages whatsoever and howsoever arising including but not limited to damages for loss of business profits business interruption loss of business information or other pecuniary loss arising out of the use or inability to use the Software or documentation or a fault in the same even if STL or the reseller has been advised of the possibility of such damages STL accepts liability only to the extent as may be agreed and expressly set out in a licence to use the Software entered into with a licensee No part of this document may be reproduced in any form or distributed in any way without the prior written agreement of STL Should the licensee wish to make any copy of this document prior written permission must be sought from STL Willis House Peel Street Sheffield S10 2PQ United Kingdom Tel 44 0 114 268 6444 Fax 44 0 114 303 0055 Email info safetechnology com Copyright 2011 Safe Technology Limited Proprietary data Unauthorized use distribution or duplication is prohibited All rights Reserved fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Trademark and Registered Trademark Acknowledgements e fe safe fe safe Composites fe safe TMF fe safe TURBOlife safe4fatigue and safe4mat are registered trademarks of Safe Technology Limited or its subsidiaries in the United Kingdom and or other countries e Verity
11. e S0fl component for Isight Integrating Design Durability in the Simulation Process Flow by Safe Technology User Manual safe tecnnology Contents Contents 1 INTRODUCTION TO THE FE SAFE COMPONENT FOR ISIGHT sssssssssssssssssssscsssnessnseeneeenseenness 4 Mg NG OU Pe SA Pe sees ces Siac ats Shae ates a teat ance to Sean a terete toate te 2h ate tea sect 4 PZ BOW TD SIGHT vias Bases aaa a Basra ure mises S eaten ure Ries Pann Reema 4 1 3 ABOUT THE FE SAFE COMPONENT FOR ISIGHT cesceccececceceucecuceccuseueeccueeeuseeeuseusesuees 4 OW OSE AS MANUA Deanna 5 2 USING THE FE SAFE COMPONENT FOR ISIGH T nssssssssssssssssnssscesnecsnseneenoeeneeseeneeeneeenevsoeeereneens 6 2 V INSTALLATION INSTRUCTIONS cx cee ee a 6 2 2 UNDERSTANDING THE COMPONENT cecececececececcucececececacavaueuseseeececaeavauaueeseseseeeeanauees 6 2 3 HOW TO USE THE FE SAFE COMPONENT cececcccececscnceeeccvcvsuseseceeeeercveucusenscueneenenersunes 7 233M Sedma UW CG ROCCE cae accede cs tecacecs ewan a casas E E tence aetna 7 223 2 PAabrameleniZatiOMnc cc cscs cc ceet rece anche tenon secant cee nein ane EENET 8 22325 IE KO CUUIOM etenak scare e eee pert a eerae teat e dae nec a e a a reed 10 Ded TEIMMAWAUIONS 22 cccascsh coos E i a dankslec Senter a a rA 10 3 INTERFACE REFERENC Ecis 11 3 1 FE SAFE STAND ALONE AND COMPONENT GUL ccccceceeceseeceseeceueesueeeeuseveusaueesauees 11 Bo PE SAFE PROJECTE SET ENGS carana n E E a N 11 3 3 FE SAFE COMPONEN
12. k Figure 6 3 Parameter tab End 5 Go back to the Sim flow tab right click the Task component choose Create new and select Loop from the pop up window Leave the checkboxes empty and click OK 6 Highlight the loop go to the Parameters tab and create two new parameters as shown in figure 6 4 safe technology limited fe safe component for Isight User Manual 2 Isssue 1 0 Date 12 01 2012 Tutorial B Surface Finish Sensitivity Analysis 22 Name gst Name dife Display Name global surface fish Display Name component ife Structure o Scalar Structure 8 Scalar 7 Mode gt input Mode output oa Detalis Details Type Real Type Real Value 0 0 Value ca Unit SE Unit H Array Dimensions Array Dimensions of Dimensions Size of Dimensions Size E E Dimensions are resizable Dimensions are resizable Save values to the database at runtime Save values to the database at runtime Figure 6 4 Creating the two parameters 7 The next step is to map the components between the loop and fe safe Keep the loop highlighted in the Sim flow tab go to the Dataflow tab and map the parameters according to Figure 6 5 gt Overview Mappings Filter Parameters Filter Parameters Name Mode w Type Name Modene Type ede o gt nickel E Input Solution File Appended Solution Files 0 9 surface description 8 La Life Miles i Any Damage be Item
13. T SETTINGS ayssin aKa EREE E ae 12 4 PREPARING FE MODELS FOR USE WITH THE FE SAFE COMPONENT essssssssssssseeensnseseneneees 13 4 l SUPPORTED ABAOQUS RELEASES vssnscrsuiurnitin a a a a ia 13 4 2 NIODELGONSIDERATION pausssasaian caer aes eae 13 4 amp 3 GENERAL ADVICE e araa e Ea e E EEEE EEE E EET E E EEIE EEEE E NEEE EE EEEE EEEE EE 13 5 TUTORIAL A STANDARD FATIGUE ANALYSIS USING AN ODB FILE sessssssssssssessessesseees 14 521 INTRODUCTION sicasacatanaaaewesduwaaadsinehananawanaannenactntnawie a NN 14 5 2 SETTING UP THE ANALYSIS IN ISIGHT ccecececercccesesscucneerseersusesecueneerencucesenecueneaeares 15 5 2 1 Creating the Workflow in ISIGHT cccceccessseeceseeeeseeeeseeeseneeseaeeeteneeeeaeeess 15 5 2 2 Editing the Project Settings in fe safe component mode seses 18 5 2 3 Running the analysis and viewing the reSultsS cccsccsseeesseecseeeeeeeeeeeeeaeees 19 6 TUTORIAL B SURFACE FINISH SENSITIVITY ANALYSIS USING AN ODB FILE essesss s 20 6 1 INTRODUCTION sizani T can 20 6 1 1 Tutorial pre requisites ccccccsseeeeeeeeeeeeeees Error Bookmark not defined 6 1 2 Updating the component settings Error Bookmark not defined 6 1 3 Creating editing setting and mapping ParamMetels cceceeeeeeeeeeeeeeeeees 21 6 1 4 Configuring and running the lOOP ccccscccssseeceseeeceseeteseeeeeneeteneeeteneeteaess 23 6 1 5 Monitoring the analysis status and viewing the results cccese
14. Young s modulus Figure 2 3 The Isight parameters tab in the fe safe component The input and output solution files are automatically available as parameters and are not presented in the tree When finished making parameterization choices click OK to commit the changes and return to Isight Design Gateway The choice you made should be now available as an sight parameter as shown in Figure 2 4 Isight is also now aware of what results fe safe is going to export since these are specified in the project setup These are presented as output parameters but their values will not be valid until the component has finished executing At this point you can also wire up file parameters from upstream that will replace the input file at execution Note Some settings if parametrized may affect the output contour names or add remove contours between executions of fe safe This could mean that Isight may not be able to find contour results for that execution or may find contours it wasn t expecting This will not cause the component to error but a warning will be generated in the log safe technology limited fe safe component for Isight User Manual 9 Isssue 1 0 Date 12 01 2012 Using the fe safe component for Isight Su Taski Files 2 e w Input Solution File a ne Appended Solution Files H Rr Material Databases gt Materials gt Material 1 z H _ oF Life Repeats or _ 3 Qutput Solution File 5 fg Parame
15. ademarks of Altair Engineering Inc USA e Pro ENGINEER and Pro Mechanica are registered trademarks of Parametric Technology Corporation e HETA is a trademark of BETA CAE Systems S A e Cadfix is a registered trademark of International TechneGroup Incorporated ITI e FEMGV and FEMVIEW are registered trademarks of TNO DIANA BV e Linux is a registered trademark of Linus Torvalds e FlexNet is a registered trademark of Flexera Software Inc e All other brand product service and feature names or trademarks are the property of their respective owners Copyright 2011 Safe Technology Limited safe technology limited fe safe component for Isight User Manual 3 Isssue 1 0 Date 12 01 2012 Introduction to the fe safe component for Isight 1 1 1 2 1 3 Introduction to the fe safe component for Isight About fe safe fe safe is a powerful comprehensive and easy to use suite of fatigue analysis software for Finite Element models It is used alongside commercial FEA software to calculate e where fatigue cracks will occur e when fatigue cracks will initiate e the factors of safety on working stresses for rapid optimisation e the probability of survival at different service lives the warranty claim curve Results are presented as contour plots which can be plotted using standard FE viewers fe safe has direct interfaces to the leading FEA suites About Isight Isight provides a suite of visual and flexibl
16. allation directory is this only needs to be done once Go to Edit then Preferences and in the dialogue that opens up expand the Components section in the left hand tree Click the fe safe node and in the panel on the right set your fe safe installation directory either by browsing or typing ina path name This is typically c Program Files x86 Safe Technology fe safe version 6 x The component is now ready to use in an sight model 2 2 Understanding the component The fe safe component can be run as a single component within an sight model or linked to other components within the same model A schematic is presented in Figure 2 1 below oO f satfe Figure 2 1 The fe safe component inserted into an Isight workflow 6 fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Using the fe safe component for Isight The component s task is to define and run an fe safe analysis For this it needs an fe safe project to be configured based on an FEA solution file which is either received from upstream systems or specified whilst setting up the cell An fe safe project must be defined for the component to operate correctly You can either load a project that was previously setup with fe safe or start a brand new project from within I sight Once a Suitable project is created or loaded the fe safe component reads the project settings and gives you the option to parameterise them within si
17. e been removed Certain other controls have been removed for features that are not available when using fe safe as a component in a workflow see Limitations Otherwise the GUI is identical to the normal operation of fe safe When you ve finished setting up the project simply close the GUI The project is ready to be parameterised see the Parameterisation section How to load a project Select the Load existing fe safe project option at the bottom of the dialogue This enables the Project Directory box where the directory of the project you want to load must be selected The project is ready to be parameterised see the Parameterisation section If an output solution file was configured in the loaded project the path will be ignored but the filename and file type will be respected This is because sight default behaviour is to write output files into its runtime directory The default behaviour and configuration for the output file parameter can be changed in the Isight Design Gateway under the Files tab Note Projects configured using the pre scanner to read the FEA solution file may not load as expected When the component executes it will perform a full read of the model and consequently the dataset numbers will change which will most likely invalidate your analysis setup If you re setting up a project with the intention of using it later within lsight skip the pre scan step and do a full read instead 2 3 2 Parameterisation Aft
18. e tools to set up and manage computer software required to execute simulation based design processes including commercial CAD CAE software internally developed programs and Excel spreadsheets The open API supports the development of custom interfaces to link additional in house and commercial applications by partners and customers About the fe safe component for Isight The fe safe component for Isight is an added capability which allows for fe safe to either be inserted into an existing simulation workflow or define its own with subsequent analyses parametric studies DOE optimizations etc being conducted from within Isight Users of the fe safe component for Isight are assumed to have a working knowledge of fe sdfe including such techniques as configuring a fatigue analysis and setting properties for different parts of the model defining the fatigue loading running an analysis and exporting fatigue results The use and application of fe safe is described in the fe safe User Manual which should be referred to alongside the Isight Getting Started Guide from Simulia Features of the fe safe component for Isight include e Support for Finite Element solutions from Abaqus ODB files e Parametric analysis of numerical parameters which automatically enables DOE and Optimization processes to be defined e Manipulating string parameters externally e g via txt files fe safe component for Isight User Manual safe technology limited
19. eeeeeeees 23 6 1 6 Plotting and interpreting the results ccccecesseecsseeeseeeeseeceeeeseesaseesseeeeees 25 safe technology limited fe safe component for Isight User Manual 1 Isssue 1 0 Date 12 01 2012 Disclaimer Notice This material is for use only by the recipient of this material A recipient or other user a licensee is not permitted to copy this document The information in this document is subject to change without notice and should not be construed as a description of any software supplied by or on behalf of Safe Technology Limited STL or as any commitment by STL STL assumes no responsibility for any errors that appear in this document the software to which it pertains or in any material provided as part of a technical support service for the Software The software described in this document is furnished under licence and may be used only in accordance with the terms of such licence The Software and the instructions for its use are provided as is without warranty of any kind STL and as appropriate any reseller further disclaim all implied warranties including without limitation any implied warranties of merchantability or of fitness for a particular purpose The entire risk arising out of the use or performance of the Software and documentation remains with the licensee In no event will STL its authors or anyone else involved in the creation production sale or delivery of the Software including
20. er setting up the fe safe project certain project settings can be promoted to sight parameters Click on the Isight parameters tab in the editor as shown in Figure 2 3 This presents a hierarchy of all the settings that are available for parameterisation in the project To promote a setting to an Isight parameter find it in the tree and click Promote and similarly click Demote to remove the selected parameter For example to make Young s Modulus for Group 1 material available as a parameter find it in the tree under Job gt Material Databases gt Materials gt Material 1 Click Promote and this setting appears in bold and in the second tree called Promoted Settings 8 fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Using the fe safe component for Isight iD Component Editor fe safe Project setup Isight parameters All job settings Job Promote yee Material Databases g l Materials S H t Material 1 i Source database SF Ef Basquin s Exponent b Coffin s Exponent c K w Young s modulus UTS n Constant Amplitude Endurance Limit Buch 0 2 proof stress Damage summation coefficient Damage summation exponent Material name Temperature list si Stressife Curve i E Strain Life Curve Stress Strain Curve E hF _ Promoted settings H Job D mote B Material Databases as Materials S H P Material 1 Lu a
21. ght Then you can connect the parameters upstream and downstream of fe safe as normal 2 3 How to use the fe safe component 2 3 1 Setting up the project The very first stage in setting up an fe safe component is to set up the project that defines the task the component will perform when executed There are two ways of setting up the project e You can create the project in sight by indicating one or more FEA solution files and a project directory for fe safe to store its settings in e If you have previously set up an fe safe project based around one or more FEA solution files and want to use sight to perform a parametric study on this analysis you can load this project by specifying the project directory These two options are explained in detail below How to create a project Double click the fe safe component in the sight model or right click and select Edit This opens up an editor dialogue shown in Figure 2 2 ie Curomienl Ed lu fe sale i Geala nen fesele p ujel FEAsululion Te Appended solutions Appended solion file 1 E Reed geometry E Reed slrains fom FE Models E 4e20 torces from Fe Models E Zeria strains fom EE PE rather than E W Delecl surface Wf serat just the last incramentin step P Cxpotvecters s lensors Extract stresses af Y clement modes recommended Force model retes Load existing fe safe project Project directory 0K Cencel_ appi
22. i Data Analysis n wile s Visua al De CERET JE Parameters mper B Preview Graph E il Simei ne wits Se F History dh RunPfah h Parameters for all Tae Done a ce global ae finish component life 26 597 g4 16 489 ae A o E 10834 2 EAD aS ee 7 605 243 i E E E T suas 5 E eee 4 162 gt q E ae E 3 211 EAS E i 2 531 eg eg welt etl 2 031 EAL SE es 1 656 we 2 0 1 357 P ttt ty ee Figure 6 7 Following the results progression When the analysis has completed the Sim flow will appear as in Figure 6 8 It shows that one loop sensitivity analysis has been performed with 11 fe safe analysis runs successfully completed _ a ie 11 fe satfe Figure 6 8 The successfully completed sensitivity analysis You will now manipulate the results plot and briefly interpret the message from a Life Kt Diagram 24 fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Tutorial B Surface Finish Sensitivity Analysis 6 1 6 Plotting and interpreting the results 1 Create a line plot from the Graphs tab to resemble that of Figure 6 9 25 Zo 21 19 17 15 13 11 Component Lite Oo th H wo 1 6 te te ts te Te Te 18 Te oe Kt Figure 6 9 The Life Surface Finish diagram The diagram shows that the sensitivity of the component is most severe between Kt values of 1 0 1 3 After that the sensitivity is significantly lower and after a Kt value
23. ick the button next to Project directory navigate to the folder containing the three folders Isight odb and project tutorial A highlight project tutorial a and click Open Your dialog box should now resemble that of Figure 5 5 16 fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Tutorial A Standard Fatigue Analysis Project setup Isight parameters Create new fe safe project FEA solution file Tutorial _A odb cantilever 1 odb Appended solutions Appended solution file 1 ap C Read geometry Read strains from FE Models C Read forces from FE Models Extract strains from EE PE rather than E W Detect surface V Extract just the last increment in a step 1m C Export vectors as tensors Extract Stresses at Elementnodes recommended Force model refresh F Load existing fe safe project Project directory Tutorial_A project_tutorial_A Edit project OK Cancel Apply Help Figure 5 5 The fe safe component with selected solution file and default project directory 5 Deselect the box Extract just the last increment in a step 6 Select the box Read Geometry Your dialog box should resemble that of Figure 5 6 The component will now read the file cantilever 1 odb read the full geometry detect the model surface read all the increments from the FEA model store the project in the folder
24. ight User Manual 15 Isssue 1 0 Date 12 01 2012 Tutorial A Standard Fatigue Analysis 3 Click the button next to FEA solution file navigate to the folder lt DataDir gt Tutorial A odb select cantilever 1 odb and then click Open The dialog box will look similar to Figure 5 4 Note that the the component automatically suggests a directory in which to save the project Project setup ip a Create new fe safe project FEA solution file Tutorial_A odb canttilever i odb m Appended solutions Appended solution file 1 Read geometry Read strains from FE Models m Read forces from FE Models Extract strains from EE PE rather than E V Detect surface Extract just the last increment in a step Export vectors as tensors Extract Stresses at Element nodes recommended Force model refresh Fi Load existing fe safe project Project directory Tutorial_A odb cantilever 1_odb_project ni Edit project C ance a Cr Figure 5 4 The fe safe component with selected solution file and default project directory At this stage you will choose a different folder in which to save the project Further you will also deselect the option to read only the last increment in a step as all increments of both load steps will be used in the analysis As a final action before editing the project you will tell fe safe to read the geometry from the 3D solid FEA model 4 Cl
25. nalysis safe technology limited 14 fe safe component for Isight User Manual Issue 1 0 Date 12 01 2012 Tutorial A Standard Fatigue Analysis 5 2 Setting up the Analysis in Isight 5 2 1 Creating the Workflow in Isight To create the workflow start sight and make sure you have published the fe safe component as detailed in Chapter 2 Section 2 1 Follow the steps outlined below to complete the fe safe analysis 1 Drag and drop the fe safe component onto the horizontal arrow in the default flow displayed on the canvas Your display should look like the one in Figure 5 2 E E m s K e E r fe safe Figure 5 2 The fe safe component in the simulation process flow 2 Double click the fe safe component to bring up the component editor as shown in Figure 5 3 Project setup l Create new fe safe project FEA solution fle a Appended solutions Appended solutonfile 1 Read geomety E Read strains from FF Models O Read forces fron FE Models Extract strains from EE PE rather than E IM Netect surface Ti IM Estratt jasl the lasl iicrernenlin a slep Export vectors as tensors Extract Stresses at 7 Element nodes pecimmendad Force model refresh Load existng fe safe project Project drectory OK Cancel Apply Help Figure 5 3 The fe safe component in the simulation process flow safe technology limited fe safe component for Is
26. of 1 6 it is almost negligible relatively speaking This kind of diagram can be used in two ways To find out how much the surface needs to be improved process control in order for the component to meet the criterion of a life specification ll To find out how much the surface finish can be lowered whilst still retaining the required component life This could be used in cost reduction and component over design analysis 2 Save the results as loop run flow zrf inthe Isight folder Close the Runtime Gateway 3 Save the process flow then close the Design Gateway 4 Exit the Isight Design Gateway You have now completed tutorial B safe technology limited fe safe component for Isight User Manual 25 Isssue 1 0 Date 12 01 2012
27. ogs tab in the Isight Runtime Gateway Limitations Setting up of custom analysis groups is not supported when using fe safe in a workflow Plug in module settings cannot be read at this release At this release fe safe does not support concurrent execution Measures have been put in place to stop fe safe being invoked concurrently within an sight model however care should be taken not to design an sight model where this could occur Some Isight components can be configured to run on a remote system fe safe is not suitable for this kind of execution due to the large numbers of installation libraries it depends on Parametrisation of materials is limited to either using specific material properties or the material names but not both at the same time fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Interface Reference 3 Interface Reference Note that only those interface elements of particular importance for using the fe safe component for Isight are described here 3 1 fe safe stand alone and component GUI When you click Edit project in the component dialog box fe safe opens up in a component mode The look of this is essentially identical to what you see when you launch fe safe on its own with some minor differences These are shown in Figure 3 1 Ther Clis Sua Fle Q wfe safe_Comaorent_ 5iG Ti2 0_exsmpe_norkingicne flesibesm 2 oda cik Ober Nphans Cutput ale IS06
28. project tutorial A e290 5 safe technology limited fe safe component for Isight User Manual 17 Isssue 1 0 Date 12 01 2012 Tutorial A Standard Fatigue Analysis Project setup sight parameters Create new fe safe project FEA solution file Tutorial_A pdb cantilever 1 odb Appended solutions Appended solution file 1 Dp W Read geometry Read strains from FE Models Read forces from FE Models Extract strains from EE PE rather than E W Detect surface 1m Extract just the last incrementin a step Export vectors as tensors Extract Stresses at Elementnodes recommended Force model refresh F Load existing fe safe project Project directory Tutorial_A project_tutorial_A a Edit project OK Cancel Apply Help Figure 5 6 The fe safe component with prepared settings before editing the project 5 2 2 Editing the Project Settings in fe safe component mode 18 1 2 3 4 5 6 Click the button Edit Project fe safe will open in a component mode Set the FE model stress unit to MPa Adjust the groups so that only CANTILEVER_BEAM 1_PICKEDSET26 and Default are available Leave the default surface finish settings Set SAE 1 144 as material Define the loading so that it resembles that of Figure 5 7 Using user profile loading file 4 gt Settings O Loading is equivalent to 100 Miles I Transitions On a MJ Elastic
29. stead of project tutorial A in step 4 fe safe component for Isight User Manual safe technology limited Issue 1 0 Date 12 01 2012 Tutorial B Surface Finish Sensitivity Analysis 6 1 2 Editing the Project Settings in fe safe component mode Follow the steps outlined in section 5 2 2 with one exception step 4 change the Surface finish to be defined as a Value and leave that value at 1 0 6 1 3 Creating editing setting and mapping parameters 1 Back in the fe safe component editor in Isight select the Surface finish parameter from Groups gt Analysis Group 1 and promote it 2 Close the component editor dialog box 3 Save your zmf file 4 With the fe safe component highlighted go to the parameters tab You will see that the surface finish is available as an input parameter surface description and the fatigue life is available as an output parameter Value Change the surface description parameter type from String to Real as you will want to pass values for Kt back to fe safe for the subsequent analyses defined in the loop Your parameters tab should look like Figure 6 3 i Sim fiow pa Dataflow 2G Parameters TAF Formulation Lat Files Exploration WA Graph Templates rT aS hlode Y T Tof 7 rows are shown S fe Groups gt Analysis Group 1 e i surface description 7 ae E A Life Miles E m i Any Damage F Boolean Item ia String El e shel E oo C El i Value eal
30. ters 7 Jel Material Databases gt Materials gt Material 1 gt g _ a Life Repeats peia a Any Damage _ 3 ttem o shel a o 3 Value Figure 2 4 Chosen fe safe parameter displayed in Isight Note On subsequent executions of the model upstream components will likely update the FEA solution file If an fe safe system is connected to one of those upstream components it will refresh its datasets from the most recent FEA solution file that was passed from upstream If the file name or location is different the component will respect whatever solution file was most recently supplied However the upstream systems must not change the solution file in a way that would invalidate the fe safe project you set up e g by removing required datasets 2 3 3 2 3 4 Execution After executing the component fe safe will have placed an output file into the working directory and should have populated all the output parameters with values unless no damage was reported The output solution file is available in the file parameter Output Solution File In common with all sight components the default behaviour is to delete the file after execution unless it is needed downstream sight can be configured to keep a copy of the output solution see sight documentation for details You can also see the standard output log from fe safe if you select the Info logging level when executing the component The log will appear in the L
31. tlines how to perform a standard fe safe fatigue analysis from within Isight It is assumed that you have experience using fe safe thus detailed information on how to set up an fe safe analysis are not included in this tutorial A level of working experience with sight is also assumed so that the focus of the tutorial is on the workflow rather than configuration details For a detailed description of Isight please refer to the Isight Getting Started Guide from Simulia y Hana f k i I E i L I Mm ff g WoO O ei pages fo fF E woo Po qmm Co oOo E P ee ee a E Ieee wo DoOoOo m ee i ee ee a ee eh i ee ee El iit ll l i TT iif i ee BS ee 32 hf ih fF TTA Xo E o e p ie lt i ee ie ee A N 4 Figure 5 1 Tapered cantilever beam subject to eccentric loading This analysis is based on a model of a tapered cantilever steel beam subjected to an eccentric load as shown by the arrows see Figure 5 1 The indicated load is applied in a first general step and then reversed in a second step The full sequence of stresses i e all increments are to be used for the fatigue analysis rather than just the last increment The load case is defined in Table 5 1 below Load Direction Forward Reversed Number of load repeats in 1 1 one cycle Total number of cycles 15000 15000 Table 5 1 Load case definition for the fatigue a
32. with your own data referring to Chapter 3 as necessary Experienced users of Isight and fe safe Experienced users are most likely to refer to Chapters 2 3 and Tutorial A as a working reference safe technology limited fe safe component for Isight User Manual 5 Isssue 1 0 Date 12 01 2012 Using the fe safe component for Isight 2 Using the fe safe component for Isight 2 1 Installation Instructions For convenience the following path contraction is used in the instructions Shorthand Typical Location a lt fe safe installation dir gt C Program Files x86 Safe Technology fe safe version 6 x Find the directory components under the fe safe installation directory The provided zip file needs to be unzipped into this directory which will then look like this lt fe safe installation dir gt components Isight fe safe jar Open Isight Design Gateway and publish the component by going to the View menu then selecting Library In the new dialogue that opens click the second icon and navigate to the above file fe safe jar Click Publish You can then add the component icon to the main I sight palette by clicking Add to Palette Note If you have received an updated version of the component jar file you need to publish it again After publishing you must close and restart sight Design Gateway for the changes to take effect The final step in setting up the component is to indicate to sight where your fe safe inst
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