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1、AppendixBSubmodelingTechnique15.0ReleaseIntroductiontoANSYSMechanical1©2012ANSYS,Inc.February12,2014Release15.0ChapterOverviewInthischaptercontrollingmeshingoperationsisdescribed.Topics:A.SubmodelingOverviewB.SubmodelingProcedureC.WSBB.1-Submodeling2©2012ANSYS,Inc.February12,2014Release1
2、5.0A.SubmodelingOverviewCurrenttrendsinsimulationshowanincreasedneedforthecomputationoflargemodels3©2012ANSYS,Inc.February12,2014Release15.0A.SubmodelingOverviewUsereductionoraccelerationtechniquesforfastersolutionsanddesignvariations4©2012ANSYS,Inc.February12,2014Release15.0…Submodeling
3、OverviewSubmodelingisthesolutionwhenonlyaportionofthemodelmatters5©2012ANSYS,Inc.February12,2014Release15.0…SubmodelingOverviewStartfromacoarsesolutionandincreaseaccuracyonlyinselectedareas6©2012ANSYS,Inc.February12,2014Release15.0…SubmodelingOverviewThecoarsemodelprovidesaccuratedeforma
4、tionsbutinaccuratestressesTherefinedmodel(s)willprovideaccuratestresses7©2012ANSYS,Inc.February12,2014Release15.0…SubmodelingOverviewFromthecoarsemodeltothesubmodelthroughresultsmappingDisplacementsaremappedtothecommonboundary8©2012ANSYS,Inc.February12,2014Release15.0…SubmodelingOverview
5、Solvingtwomodelscanbefasterthansolvingaverydetailedone9©2012ANSYS,Inc.February12,2014Release15.0…SubmodelingOverviewStresscontour–fullmodelFromasolidmodeltoasolidmodelStresscontour–Submodel10©2012ANSYS,Inc.February12,2014Release15.0…SubmodelingOverviewInitialgeometryDefeaturedshellmodel-
6、deformationsFromashellmodeltoasolidmodelSolidsubmodel-stresses11©2012ANSYS,Inc.February12,2014Release15.0B.SubmodelingProcedureSubmodelingisatechniquewhereacoarselymeshedmodelcanbesolvedfollowedbyasubsequentsolutionusingonlyaportionofthecoarsemodelwithamorerefinedmesh.Submodelingisavaila
7、bleforstructuralandthermalanalysistypeswithsolidgeometry.Asshownintheexamplebelow,andexplainedshortly,oneofthekeyconceptsinsubmodelingisthedesignationofthe“cutboundaries”definingthesubmodel.ANSYSLicenseAvailabilityDesignSpaceCutBoundariesProfessionalxStructuralxMechanical
