最新VUMAT-中英文对照.doc

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1、__________________________________________________25.3.4 VUMAT25.3.4 VUMAT Usersubroutinetodefinematerialbehavior.定义材料本构用户子程序 Product:ABAQUS/Explicit  Warning: Theuseofthisusersubroutinegenerallyrequiresconsiderableexpertise.Youarecautionedthattheimplementationofan

2、yrealisticconstitutivemodelrequiresextensivedevelopmentandtesting.Initialtestingonasingle-elementmodelwithprescribedtractionloadingisstronglyrecommended.注意：用户子程序的使用通常需要一定的专长。用户需要知道执行任何实际的本构模型需要大量的试验数据。强烈建议用户对用户子程序进行在指定拉力作用下单个单元的验证测试。Thecomponentorderingofthesymmetr

3、icandnonsymmetrictensorsforthethree-dimensionalcaseusingC3D8Relementsisdifferentfromtheorderingspecifiedin“Three-dimensionalsolidelementlibrary,”Section14.1.4,andtheorderingusedinABAQUS/Standard.C3D8R单元三维轴对称及非轴对称张量成分顺序与“Three-dimensionalsolidelementlibrary,”Section

4、14.1.4及ABAQUS/Standard中指定的顺序不同。References·“User-definedmechanicalmaterialbehavior,”Section12.8.1·*USERMATERIALOverview UsersubroutineVUMAT:用户子程序VUMAT·isusedtodefinethemechanicalconstitutivebehaviorofamaterial;·用来定义材料的力学本构关系·willbecalledforblocksofmaterialcalculatio

5、npointsforwhichthematerialisdefinedinausersubroutine(“Materialdatadefinition,”Section9.1.2);·可以被用户子程序定义材料计算点调用·canuseandupdatesolution-dependentstatevariables;·可以使用和更新结果依赖状态变量·canuseanyfieldvariablesthatarepassedin;·可以使用传入的任何场变量·isdescribedfurtherin“User-definedmec

6、hanicalmaterialbehavior,”Section12.8.1;and·在“User-definedmechanicalmaterialbehavior,”Section12.8.1中详细论述；·cannotbeusedinanadiabaticanalysis.·可以被用于绝热分析Componentorderingintensors张量组成顺序 Thecomponentorderingdependsuponwhetherthetensorissymmetricornonsymmetric.张量组成顺序取决于其

7、是否为对称或非对称张量。Symmetrictensors对称张量收集于网络，如有侵权请联系管理员删除__________________________________________________Forsymmetrictensorssuchasthestressandstraintensors,therearendir+nshrcomponents,andthecomponentorderisgivenasanaturalpermutationoftheindicesofthetensor.Thedirectcompo

8、nentsarefirstandthentheindirectcomponents,beginningwiththe12-component.Forexample,astresstensorcontainsndirdirectstresscomponentsandnshrshearstre