材料数值模拟基础（朱鸣芳）femsoftwares-ii

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1、IntroductionofFEMSoftware-IILCOMSOLMultiphysics1.1BriefIntroductionCOMSOLMultiphysicsisafiniteelementanalysis,solverandSimulationsoftware/FEASoftwarepackageforvariousphysicsandengineeringapplications,especiallycoupledphenomena,ormultiphysics.COMSOLMultip

2、hysicsalsooffersanextensiveinterfacetoMATLABanditstoolboxesforalargevarietyofprogramming,preprocessingandpostprocessingpossibilities-Thepackagesarecross-platform(Windows,Mac,Linux).Inadditiontoconventionalphysics-baseduserinterfaces,COMSOLMultiphysicsals

3、oallowsforenteringcoupledsystemsofpartialdifferentialequations(PDEs).ThePDEscanbeentereddirectlyorusingtheso-calledweakform(seefiniteelementmethodforadescriptionofweakformulation).Anearlyversion(before2005)ofCOMSOLMultiphysicswascalledFEMLAB.1.2Capabilit

4、yCOMSOLMultiphysicsincludestheCOMSOLDesktopgraphicaluserinterface(GUI)andasetofpredefineduserinterfaceswithassociatedmodelingtools,referredtoasphysicsinterfaces,formodelingcommonapplications.Asuiteofadd-onproductsexpandsthismultiphysicssimulationplatform

5、formodelingspecificapplicationareasaswellasinterfacingwiththird-partysoftwareandtheircapabilities.COMSOLMultiphysicsisrequiredtorunanyoftheadd-onproducts.Thephysics-basedmodulesaugmentthecorephysicsinterfacesofCOMSOLMultiphysicsandprovideadditionalinterf

6、acesforelectrical,mechanical,fluidflow,andchemicalapplications.Anynumberofmodulescanbeseamlesslycombinedtohandlechallengingmultiphysicsapplications.MCCMANCAUAC/DCModuleHeatTransferModuleRFModuleScructuralMechanicsModuleWaveOpoaModuleNonlinearScructuralMa

7、terialsModuleMEMSModuleGeomechanioModulePUsmiModuleFitifueModuleSemiconduaocModuleMulubodyDynanwcsModuleAcousooModuleFlUlOCMfMCAlCTOModuleChemcalRe>a>onEngineenngModuleMixerModuleBamnesftFudCeOsModuleM»aofluid>aModuleDearodepovoonModuleSubsurfaceFlowModu

8、leModulePipeFlowModuleEJearochemiscryModuleMolecularFlowModuleOpomaaoonModuleUveUnk*UveUnk*MattnalbboryCADimportModuleECADImportModuleParodeTraongModuleLiveUnk*UveLink*MUITTUMOMNTtMAClNGlivelink*ArlRwentor4Uvelmlc*AutoCAD1