Altair2009HyperWorksMORPHCAE-1-Altair2009HyperWorksMORPHMorphApplicationinAutomobileDesignConceptPhaseCAE:CAEHyperMeshMORPH:HyperMeshAbstractThisisaprocessofavehicledevelopment:Themarketdepartmentmademarketresearchandthenorientedthenewproduct.Thedesigndepartmentmadesuretheproductdevelopmentplatformanddifferentfromthebasecar.Inageneralway,assistantanalyzethemodelindesignphasebyCAE.Butthedisadvantageofthebasecarwillbekeptormakenewmistakes.BasedonMORPHmoduleofHyperMesh,morphtheFEmodelofthebasecartogettheBIWFEmodelofthenewcarinconceptphase.Accordingtotheanalysisofthebendingstiffness,thetorsionstiffnessandthemodeforthenewFEmodelandthecompareofthenewresultandtheotherparallelcars,thispapergivessomeadvicetothedesigndepartmenttoavoidsomeproblem.Keywords:ConceptPhase,morphmode,stiffness,finiteelementanalysis,HyperMesh1NVHMORPHNVH-2-Altair2009HyperWorksMORPHNVH2100mmA550mm40mm40mmHyperMeshHyperMorth113NVH-3-Altair2009HyperWorksNVH12148096875014533506776%-5.7%-9.67%2%29.1027.784.54%34.9030.7911.78%,38.2536.484.63%46.4945.691.72%,,51.7347.707.79%58.1954.386.55%2%10%NVHboom-4-Altair2009HyperWorks4234534809687501-5-Altair2009HyperWorks453350677649688073719.60%8.78%01.73%429.1027.7829.044.54%0.21%34.9030.7933.468.67%4.13%,38.2536.4842.5916.75%046.4945.6946.561.90%0,,51.7347.7048.942.60%5.39%58.1954.3858.858.22%056HyperWorks-6-