LOGOFatigue Life Predictions for Automobile WheelsLiu KangAcademic Exchange1Content Introduction of workbench Engineering Data Building Analysis Model Meshing Model Static Structural Analysis Fatigue Analysis2Introduction of workbench Ansys design exploration describes the relationship between the design variables and the performance of the product by using design of experiments (DOE),combined with response surfaces.3Engineering DataThe Engineering Data workspace is an integrated feature of Workbench and displays relevant items based on the items you select in the various panes4Building an Analysis ModelCreate a model using Extrude,Revolve,Skin-Loft and Sweep.5Meshing Your Solid Modelv Once you have built your solid model,established element attributes,and set meshing controls,you are ready to generate the finite element mesh.First,however,it is usually good practice to save your model before you initiate mesh generation.6Static Structural AnalysisA static structural analysis determines the displacements,stresses,strains,and forces in structures or components caused by loads that do not induce significant inertia and damping effects.7Fatigue Analysis and Loading OptionsAfter you have defined the stress-life or strain-life curves for all materials in your model,you can choose your fatigue options and run the fatigue analysis. 8Referencev 1Fash J W,Conle F A,Analysis of Strain Gage Rosette Data for Fatigue Life Predictions SAE paper 922148 v 2Karandikar H M,Fuchs Willi.Fatigue Life Prediction for Wheels by Simulation of the Rotating Benging Test SAE paper 900147 v 3Multiaxial Fatigue.MSC/FATIGUE Users Guide9LOGOThank you！Q & A10