建立轮胎有限元结构分析模型应注意的问题

王吉忠(,266520)::,;,;,,:;;;:U463341;O242.21:B:10068171(2002)04020204,,,,,1,,(1),,;,,(2),;,,,:(1961),,,,,(3),,,,221(049),[1]:W=A(J1-3)+B(J2-3)+05K(J3-1)2(1)J1=I1I-1/33J2=I2I-2/33J3=I1/23A,B;I1,I2,I33;K:ij=fikSklfjl/I1/23(2)Skl=2WCklCkl=fmkfml202200222fik,fjl;Skl;Ckl;i,j,k,l,m,1,2,3220,1195/65R1489H,1,23,452120[2]:E1=EfVf+Er(1-Vf)E2={4Er(1-Vf)[EfVf+Er(1-Vf)]}/[3EfVf+4Er(1-Vf)]G12=Gr(1-Vf)12=0521=12E2/E1(3)E1,E212;Ef,Er;Gr,G1212;Vf;1212,11,12;2112,22,21,,3,,,4;,1,,,,,,,,,,,(fn):fn=cKnc!00c0(4)Kn;c(fs):fs=Kte!fn(5)2034Kt;e;!4,,,,,,,[3],,;;,,,,303195/65R1489H35,;,;,,:[1]FarhadTRubberelasticitymodelsforfiniteelementanalysis[J]Computers&Structures,1987,26(12):3340[2]ParhizgarS,WeissmanEM,ChenCSDeterminationofstiffnesspropertiesofsingleplycordrubbercomposites[J].TireScienceandTechnology,1988,16(2):118126[3]ChangRL,JeongWK,JohnOH,etalValidationofaFEAtiremodelforvehicledynamicanalysisandfullvehiclerealtimeprovinggroundsimulations[J].SAEPaper,971100,18:20011131FEAmodeloftirestructureWANGJizhong(QingdaoArchitecturalEngineeringInstitute,Qingdao266520,China)Abstract:ToobtainacorrectFEAmodeloftirestructure,attentionshouldbepaidtothefollowing204200222problems:exactlydescribeandcorrectlyinputthematerialcharacteristicsofrubberorrubber/cordcomposite;simulatethelargedeformationandcontactareaoftirewithreasonableunits;use3Dsolidunitmodelandfinenetworkneargroundcontactareatopredictthelocalmechanicalbehaviouroftire.Keywords:tire;structure;FEA;model:TQ331.6:D∀#20011074:Vector5EagleVector(EV2),,SmarTRED,,15%,SmarTRED(arched)(angular),,∃%,∃%(3DBIS),,TVector5HVEagleVector(EV2)3DBISVector53DBIS∃%30m,,,,,,5%,8%Vector5EV2SmarTRED,,,,,,(∃VTred%),,Vector5EV25%,,7&,,Vector,,15%,,1.6mm,1.6mm,,Vector5EV21.6mm,4mm∃%,34,TVector521,155/70R13195/50R15;EagleVector(EV2)13,185/65R14H205/55R16V(涂学忠摘译)2054