Altair2008HyperWorksHyperWorksCAE-1-Altair2008HyperWorksHyperWorksHyperWorksApplicationinOptimizationDesignofAutoKnuckle(CAE):AltairHyperWorks:AbstractAltairHyperWorksisasoftwareofstructureoptimization,isusedtooptimizethestructureofautoparts.Withanexampleofavehicleknuckle,itemphasizestheintroductionofmethodsandfunctionsoftopologyoptimizationandshapeoptimizationinstructuredesignofautoparts.Theoptimizationresultonknuckleshowsthatcombinationoftopologyandshapeoptimizationcanbeeffectivelyhelpfultostructuredesign.Keywords:knuckletopologyoptimizationshapeoptimizationfiniteanalysis1CAEODDPOptimizationDrivenDesignProcess1-2-Altair2008HyperWorks1AltairHyperWorksknuckle22.1HyperMeshCADTERTA4CBUSHREB223-3-Altair2008HyperWorks231Knuckle7495268252.222MaterialE(GPa)PoissonratioYieldstress(MPa)Density(kg/m3)2100000.328579002.34G1234564-4-Altair2008HyperWorks42.433(Kg)(MPa)(mm)Knuckle5.02660.4563OptiStruct3.1-5-Altair2008HyperWorksHyperWorksOptiStructTopologyOptimization——CADCAD7ShapeOptimization3.28-6-Altair2008HyperWorks84G4412345(mm)2.79e-011.07e-011.05e-022.02e-012.52e-02260MPa910OSSmoothIGES-7-Altair2008HyperWorks111255Knuckle(Kg)(MPa)(mm)5.02660.44.52570.313143.3HyperMorph-8-Altair2008HyperWorks151666Knuckle(Kg)(MPa)(mm)4.5257.10.34.5222.30.31718-9-Altair2008HyperWorks410266MPa285MPa222MPa17%25%5[1]HyperWorks2007[2]2007-10-