基于ABAQUS的汽车座椅塑料件有限元分析与结构优化

18420118塑性工程学报JOURNALOFPLASTICITYENGINEERINGVol18No4Aug2011doi:103969/jissn1007-2012201104023ABAQUS(北京汽车股份有限公司汽车工程研究院,北京100021)刘明卓:,,,,:;;;;:TG1155:A:1007-2012(2011)04-0116-04FiniteelementanalysisandoptimaldesignofvehicleseatplasticbasedonABAQUSLIUMing-zhuo(BAICMOTORCorporation.,Ltd.,Beijing100021China)Abstract:WithFEanalysissoftware,thelocationwithmaximumstrainandthestressdistributionruleofvehicleseatplasticwereana-lyzed.Thedesigntargetforvehicleseatplasticwaspresentedaftercomparingwiththephysicaltest.Byoptimizingthicknessandstructureoflocaldestructivearea,theperformanceofthewholeseatplasticwasimprovedandthemasswasreducedobviously.Keywords:vehicleseat;plastic;strain;finiteelement;structureoptimizationE-mail:liumingzhuo@beijing-atccomcn:,,1981,,,:2011-03-28;:2011-04-11,,,,21,,,,,,,,,,[1],,,,,,CAE,,,;,,,,[2]1ABAQUSABAQUS,,1,HYPERWORKS,ABAQUS,,[3]1Fig1Theseatwithplasticbracket,,200N,,250mm11HYPERWORKSCADHYPERMESHCAD,,,,[4],11ASTMTab1PlasticmaterialparameterofASTM/t/mm3/MPa/MPa/%1100e-918000035260300154,,,,,2HYPERMESH,HYPERMESH,[5-6]2Fig2FEAmodelsetupdescription12ABAQUSABAQUS,ABAQUS/StandardABAQUS/Explic-itHYPERMESHINP,,ABAQUS(DOS),:ABAQUSJOB=INP,ABAQUS,HYPERVIEWODB200N,310MPa,(3a)1,1174:ABAQUS187%,154%293mm,250mm,,(3b)13,,50N100N200N,,,22Tab2Comparisonofexperimentalandsimulationresults/N/mm/mm/%150108210150003210019851950530320029301871541,50N,,,,2,100N,,,,,3,200N,,,44200NFig4Thephysicalteststatusunder200Nload,,,5,,,5200NFig5Thephysicaltestresultunder200Nload2,,,,,,,3[7],,,,,33Tab3Effectcomparisontableofoptimizationcases/MPa//%/kgMPa/%/%131133043-0701563560-9830470454231133047-0661563710-8530470.462331133013-1001563220-13430470.4015:MPa,%1,,,,4%,,,983%2,1,,11818,983%853%,,,3,,,,,,,,,,1MPa,1563%22%150%,246mm250mm66Fig6Comparisonpicturesofoptimizationcases6312,3,,31)ABAQUS,,,,2)ABAQUS,,,,,,[1].:[N].,2005-7-4(A11)1-2[2],.[J].,2010.(4):25-29[3],,.ABAQUS[M].:,2009[4].HyperMeshCAE[A].Altair2009HyperWorks[C].,2009:60-62[5].ABAQUS[A].ABAQUS[C].,2005:52-54[6].ABAQUS[A].ABAQUS[C].,2005:59-61[7].HyperWorks[M].:,2007:159-1691194:ABAQUS