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 Wysłany: Nie 3:27, 08 Maj 2011 Temat postu: ed hardy danmark Gradient plasticity theory based |
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Gradient plasticity theory based on the problem of dynamic softening
Mech. 1988:55287-2934DeBorstRPaminJGradienrplasticityinnumericalsimulationofconcretecracking. EurJMechA / Solids. 1996:152952205 DeBorstR-MuhlhaUSHBGradien BU dependentplastiei-ty: formulationandalgorithmicaspects. 1ntjNumerMethodsEng. 1992:35:52 】 A 5396 Zhong Xie . Zhang Hongwu , Wu Chengwei . Parametric variational principle and its application in engineering . Beijing: Science Press. 19977DeBorStRMuh 】 bausHB. Contiuuunlntode 】 fordiscontinuousmedia. R1LMESymposiumonFracillreMechanicsof13ritt 】 eDisorderedMateria 】 sNoordwi1k. 1991230-236AnalysisofDynamicSofteningProblemwithGradientDependentModelZhangHongwuZhangXinrz,[link widoczny dla zalogowanych], eiGuYuanxian (StateKeyLaboratoryofStructuralAnalysisandIndustrialEquipment.DalianUniversityofTechnologyDalian.116024) AbstractThegradientdependentmode [isproposedtOovercometheresultmesh-sensitivityprobleminthefiniteelementanalysisofdynamicstrainsofteningproblemsTheparametricvariationalprincipleandparametricquadraticprogrammingmethod & readoptedforthesolutionofthegoverningequationsofthenonlineardynamicsofteningproblems. Tosolvetheproblemintimedomain,[link widoczny dla zalogowanych], Newmarkintegrationmethodisusedastheimplementationalgorithm. Itcanbeobservedthar. tom-paredwiththetraditlonalmethod,[link widoczny dla zalogowanych], thenewalgorithmpresentedherehasSOTTIeadvantagesfortheimplementationofgradientdependentmodelsuchaeingeasytoimplementandstableconvergentpropertyduringintegrationprocess. Numerica 【 exam-piesaFeshowntOdemonstratethevalidityandefficiencyofthetheoryandalgorithmpresentedinthepaper. Keywords: plasticityprogrammingtheory; dynamicresponse; strainsofteninggradientdependentplasticity Hongwu male first author , professor,[link widoczny dla zalogowanych], June 1964 students. Tel : (0411) 4708769; E-mail: zhanghw @ dlut. dcn
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