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ID:40720815
大小:53.40 KB
页数:6页
时间:2019-08-06
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1、MSCSoftwareCorporationMarc2015ImportantInformationaboutthisReleaseDearMarcCustomer,MSCisproudtoprovideyouwiththeMarc2015release,partoftheEngineeringAnalysisProductssuiteavailablefromMSCSoftware.Tohelpyougetacquaintedwithyournewsoftwarepackage,thisdocumentreferencesvalua
2、bleresourcestosupportyouruseofMarc.ToquicklyinstallandconfigureMarcaccordingtoyourpersonalpreferencesandcompanyguidelines,pleaserefertotheInstallationandOperationsGuide.ForadetaileddescriptionofWhat’sNewinMarc2015,pleaserefertotheReleaseGuide.Thehighlightsofthisreleasei
3、nclude:•Contact–Anewcohesivecontactcapabilityhasbeendevelopedforsmallslip.Withthisoption,onehasgreatercontroloverthestiffnessinthenormalandtangentialdirections,makingitidealformodelinglapjointsandotherconnectedstructures.–Currentcontrolledrigidbodiesareavailable,whichma
4、ybeusedforelectricalresistiveweldingandothersimilarapplications.•ElementTechnology–Anewsetoftriangularandtetrahedralelementshasbeenadded.Comparedtostandardlinearelements,thathavebetterbendingbehavioranddon’tlockwhenusedforincompressiblematerialbehavior.Theymaybeusedfora
5、llcommonlyusedelastomericandmetalmaterialmodels.•MaterialModels–Thereisanewmaterialmodel,basedonaParallelRheologicalFrameworkthatallowsthemodelingoflargestrainelasticitywithviscoelasticityandpermanentset.Typically,thermalplasticsandotherMSCSoftwareCorporationMarc2015ela
6、stomericmaterialshavethisbehaviorwherethestrainsarenotfullyrecoverable.–Thereisanewmodeltorepresentrubberandsimilarviscoelasticmaterialswherethedampingisafunctionofboththefrequencyandthemagnitudeoftheexcitation(Payneeffect).ThiscanbeusedinHarmonic(frequencyresponse)calc
7、ulations.–TheanisotropicBarlatplasticitymodelhasbeenexpandedtosupporttwoadditionalmodels.Thisisoftenrequiredforfull3-Dsimulationsand/orlargeamountsofanisotropyase.g.encounteredinaluminumalloys.–Theannealingoptionhasbeenextendedsothatitcanbetreatedasamaterialcharacterist
8、icinadditiontoitsprevioususeasaseparateLoadCase.•FractureMechanics/AdaptiveMeshing–TheGlobalAdaptivemeshingcap
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