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1、ABAQUSAnalysisUser'sManual 22.1.4 Frictionalbehavior摩擦行为Products:ABAQUS/Standard ABAQUS/Explicit ABAQUS/CAE References·“Mechanicalcontactproperties:overview,”Section22.1.1·“FRIC,”Section25.2.8·“VFRIC,”Section25.3.2·*FRICTION·*CHANGEFRICTION·“Creatinginteract
2、ionproperties,”Section15.11.2oftheABAQUS/CAEUser'sManualOverviewWhensurfacesareincontacttheyusuallytransmitshearaswellasnormalforcesacrosstheirinterface.Thereisgenerallyarelationshipbetweenthesetwoforcecomponents.Therelationship,knownasthefrictionbetweenthecont
3、actingbodies,isusuallyexpressedintermsofthestressesattheinterfaceofthebodies.ThefrictionmodelsavailableinABAQUS:当发生接触时，表面通常通过接触面传播剪力和法向力。这两种力之间一般有关系。该关系也叫接触体间的摩擦，它一般表达为物体接触面应力的形式。在ABAQUS中的摩擦模型：·includetheclassicalisotropicCoulombfrictionmodel(see“Coulombfrictio
4、n,”Section5.2.3oftheABAQUSTheoryManual),whichinABAQUS:·包括经典的各向同性库仑摩擦模型（见“Coulombfriction,”Section5.2.3oftheABAQUSTheoryManual），该模型在ABAQUS中：uinitsgeneralformallowsthefrictioncoefficienttobedefinedintermsofsliprate,contactpressure,averagesurfacetemperatureattheco
5、ntactpoint,andfieldvariables;andu普通式允许根据滑移率，接触压力，接触点的平均表面温度和场变量定义摩擦系数；uprovidestheoptionforyoutodefineastaticandakineticfrictioncoefficientwithasmoothtransitionzonedefinedbyanexponentialcurve;u提供选项来定义静止和运动学的摩擦系数用由指数曲线定义的平滑转换区；·allowtheintroductionofashearstress
6、limit,,whichisthemaximumvalueofshearstressthatcanbecarriedbytheinterfacebeforethesurfacesbegintoslide;·允许引入剪应力极限，该应力极限是接触面在开始滑动前所能承受的最大剪应力值；·includeananisotropicextensionofthebasicCoulombfrictionmodelinABAQUS/Standard;·包括在ABAQUS/Standard中对基本库仑摩擦模型的各向异性扩展；·inclu
7、deamodelthateliminatesfrictionalslipwhensurfacesareincontact;·包括当表面接触时消除摩擦滑动的模型；·includea“softened”interfacemodelforstickingfrictioninABAQUS/Explicitinwhichtheshearstressisafunctionofelasticslip;·包括在ABAQUS/Explicit中针对粘着摩擦的软接触面模型，在粘着摩擦中剪应力是弹性滑动的函数；·canbeimplemen
8、tedwithastiffness(penalty)method,akinematicmethod(inABAQUS/Explicit),oraLagrangemultipliermethod(inABAQUS/Standard),dependingonthecontactalgorithmused;and·可用刚度（罚函数）法，运动学法（AB
