ABAQUS混凝土损伤塑性模型参数验证(有损伤因子)

38820088ABAQUS11,212(1102249;2581031)[]ABAQUS,,,CDP;,,CDP,,CDP[]ABAQUS;;ParametersVerificationofConcreteDamagedPlasticModelofABAQUSZhangJin1,WangQingyang1,2,HuShouying1,WangChuanjia2(1ChinaUniv.ofPetroleum,Beijing102249,China;2ShenzhenElectronicsDesignInst.Co.,Ltd.,Shenzhen518031,China)Abstract:TouniformtheconcretedamagedplasticmodelprovidedbyABAQUSandtheconcreteconstitutiverelatioushipsprovidedbythecodeforconcretestructuredesign,thedamagedfactorswasintroducedintotheconstitutiverelationshipprovidedbycriterion,andthenthemethodusedtodeterminetheparametersofCDPmodelwasstudied.ToverifythecorrectnessoftheparametersofCDPmodel,themethodofcontrastingtheresultsextractedfromsimulationandthecriterioncurvesisused;andtoverifythereliabilityappliedtostructuresimulation,themethodofcontrastingsimulationresultsandexperimentalresultsischosen.ItisapprovedthatthedeterminedmethodofCDPmodelparametersiscorrectandthesimulationresultsofstructuresusingtheparametersdeterminedbythemethodisreliable.TheshortageofCDPmodelwasindicated.Keywords:ABAQUS;concretedamagedplasticmodel;shearwalltest:(19632),,0ABAQUS,,ABAQUS,,,ABAQUS,,,1[123]ABAQUS(CDP)Lubliner,LeeFenves(1998),,,CDP„plt()„plc(),,,CDPd:E=(1-d)E0(1)E0()ddtdc,,ABAQUS:(1-d)=(1-stdc)(1-scdt)(2)st,sc,:st=1-wtr3(11)0wt1sc=1-wc[1-r3(11)]0wc1(3)721r3(11)=H(11)=1,1100,110wtwc,1(22),wt=0()wc=1(),CDP,,(A),,B,,dtE=(1-dt)E0,,(1-dt)E0,BC,wc=0(),CD,wc=1,CMFF,,1,GJ,0,GH12211CDP2ABAQUS,,[4]2CDP2C,2Et0(c0),22[4]:y=xt(x-1)117+x,x1(4):y=ax+(3-2a)x2+(a-2)x3,x1y=xd(x-1)2+x,x1(5)E0,CDP,,,,012212[4]2,,2,:dk=(1-)inE0k+(1-)inE0,(k=t,c)(6):t,c;,0135017,0150195;in3CDPCDP,CDP,C30311C30,2111GPa,012,,CDP221C301(MPa)(10-3)dc(MPa)(10-3)dt151450100001000210100100001000181480115101065016600135001359191930137601137014190164701620201100151501178013190193701756191610183301264012261151301876151881189301501011802108701924121492193701665011522166001949101073193401767011303132701964715051528018614189819950193923,,2,8821C3D8R,1m,:123415841265,3487,10mm3123,4CDPCDP,[5],CDP44411,5(a),,,,YX,Z,,YX,;,,XZYZ,X,Y,,5(b)51P24122,[5],C80,28GPa,012,81MPa,CDP3(MPa)2fyfuHRB400HPB235254601463917124331363616d=660110d=671310d=683610615361165061341362,2,6,,7(a),(b),,V,7(c),,,,CDP921C80CDP3(MPa)(10-3)dc(MPa)(10-3)dt6401001000311101001000750130105321900105010467901601096215001100110181110011472100012012197911501210110001601627752100127201481100185470215013330118210019695831501458011231001986454150158301064100199535515016882071501840109150193075ABAQUSCDP,CDP,,CDP,(1),,CDP,(2),,,(3)CDP,[1]ABAQUSInc.Abaqustheorymanual[M].2007.[2]ABAQUSInc.Abaqususersmanual[M].2007.[3],.ABAQUS[M].:,2006.[4](GB500102002)[S].:,2002.[5],,.[J].,2007,28(5):80288.(133)32425,,,,,,,[1]ABAQUS.TheoryManualVersion6.7.H.K.S.,2007.[2]LANHUIGUO,SUMEIZHANG,etal.Behaviorofsquarehollowsteeltubesandsteeltubesfilledwithconcrete.Thin2WalledStructures[J].2007,45:9612973.[3]LUBLINERJ,JOLIVER.etal.APlastic2DamageModelforConcrete[J].InternationalJournalofSolidsandStructures,1989,25(3):2292326.[4]LEEJ,GLFENVES.Plastic2DamageModelforCyclicLoadingofConcreteStructures[J].JournalofEngineeringMechanics,1998,124(8):8922900.[5](GB500102002)[S].:,2002.[6],,.[J].,2008,38(8).[7],,.ABAQUS[J].,2008,38(8).031