Concept Design Using Topology and Topography Optimization

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Chapter 2: Topology Optimization of an Automotive Control ArmPost-processOptiStruct provides density information for all iterations. OptiStruct also providesdisplacement and von Mises Stress results for linear static analysis in the first and lastiteration. This section describes how to view those results using HyperMesh.Step 1: View deformed resultsIt is helpful to first view the deformed shape of your model to determine if the boundaryconditions have been defined correctly and also to check if the model is deforming asexpected.1. From the Post page, select the deformed panel.2. Click simulation =.You will notice that there are many simulations. At the end of the simulation list, youwill see brake - ITER0, brake – ITER21, corner - ITER0, corner - ITER21, pothole -ITER0 and pothole - ITER21.3. Select brake – ITER21.4. Set data type to displacements.5. Toggle model units= to scale factor=.6. Set your scale factor to 10.00.7. Click linear to view a deformed animation for brake – ITER21.In what direction is the load applied for the subcase named brake?______________________________________________Which nodes have degrees of freedom constrained?______________________________________________Does the deformed shape look correct for the boundary conditions you applied to themesh? ______________________________________________8. View the linear animation for the 2 nd and 3 rd subcases (iteration 21).Second subcase named corner:In what direction is the load applied for the subcase named corner?______________________________________________Which nodes have degrees of freedom constrained?42______________________________________________Concept Design Using Topology and Topography Optimization OptiStruct 7.0Proprietary Information of Altair Engineering, Inc.
Chapter 2: Topology Optimization of an Automotive Control ArmDoes the deformed shape look correct for the boundary conditions you applied to themesh? ______________________________________________Third subcase named pothole:In what direction is the load applied for the subcase named pothole?______________________________________________Which nodes have degrees of freedom constrained?______________________________________________Does the deformed shape look correct for the boundary conditions you applied to themesh? ______________________________________________9. Click exit.10. Click return.Step 2: View a static contour plotYou may wish to mask your rigid elements before using the contour panel. Densityresults are not given for 1D elements.1. Press F5 (function key on your keyboard) to access the mask panel.2. Click the yellow elems button.3. Select by config.4. Click config =.5. Select rigid.6. Click select entities.7. Click mask.8. Click return.9. From the Post page, access the contour panel.10. Set simulation = to DESIGN - ITER21.11. Click data type = and select Element Density.OptiStruct 7.0Concept Design Using Topology and Topography OptimizationProprietary Information of Altair Engineering, Inc.43
Page 1 and 2: Altair ® OptiStruct ®Concept Desi
Page 3 and 4: Table of ContentsChapter 1: Topolog
Page 5 and 6: PrefaceWho should attendThis course
Page 7 and 8: Chapter 1Topology Optimization of a
Page 9 and 10: Chapter 1: Topology Optimization of
Page 29 and 30: Chapter 2Topology Optimization of a
Page 45: Chapter 2: Topology Optimization of
Page 53 and 54: Chapter 3Topology Optimization with
Page 55 and 56: Chapter 3: Topology Optimization wi
Page 73 and 74: Chapter 4Optimal Rib Pattern for an
Page 75 and 76: Chapter 4: Optimal Rib Pattern for
Page 85 and 86: Chapter 5Topography Optimization of
Page 87 and 88: Chapter 5: Topography Optimization
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Chapter 6Combined Topology andTopog
Page 99 and 100:
Chapter 6: Combined topology and to
Page 101 and 102:
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