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ID:40360239
大小:891.14 KB
页数:42页
时间:2019-08-01
《Abaqus Co-Simulation - Mechanical Coupling》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、STAR-CCM+UserGuide10940AbaqusCo-Simulation:MechanicalCouplingThistutorialdemonstrateshowtocarryoutamechanicalco-simulationcaseusingSTAR-CCM+andAbaqus.Co-simulationinvolvesastrongcouplingbetweenthetwocodes.Dataisexchangedatfrequentintervalsthatarecalledcouplingsteps.Thislevelofcommunicationbetweenthe
2、solversallowsyoutoobtainafullsolutionacrossthefluid-solidinterface.Inamechanicalcoupling,STAR-CCM+passestractionloadstoAbaqus(pressure+wallshearstress),andAbaquspassesdisplacementstoSTAR-CCM+.InAbaqusthetractionloadsareappliedtothesurfaceofthesolidstructure.InSTAR-CCM+thedisplacementsareusedasaninpu
3、ttothemeshmorpher.Duringtheco-simulationdataisautomaticallyexchangedbetweenSTAR-CCM+andAbaqususingtheSIMULIACo-SimulationEngine.Thistechniquediffersfromthefile-basedmethodinthatthecouplingbetweenthecodesismuchstronger,andSTAR-CCM+andAbaqusrunsimultaneously.Tosetupaco-simulationcase,separatemodelsmus
4、tbepreparedforthefluidandthesoliddomains.ThesolidmodelissetupinAbaqus,anddefinedwithinanAbaqusinputfile.ThefluidmodelissetupinaSTAR-CCM+simulationwheretheappropriateboundaryconditionsandphysicsaredefined.Foreachmodel,asetofco-simulationparametersmustbespecified.Theparametersidentifytheboundaries/sur
5、facesthatmakeupthefluid-structureinterface,thefielddatathatisimported/exportedattheinterface,thefrequencyofcouplingsteps,andsoon.STAR-CCM+isusedtoruntheco-simulationwhenthesetupiscomplete.Beforerunningtheco-simulation,itisgoodpracticetorunstandalonecasesforthefluidandsolidmodelstomakesurethattheycon
6、vergeindependently.Inthisexample,theAbaqusmodelcouldberunstandaloneusinganappliedpressureload,*DSLOAD,ontheplatesurfacewithanestimatedconstantvalueforthepressure.TheSTAR-CCM+simulationcouldberunwithoutmeshmorphing,usingafixedplate.Thistutorialsimulatesanelasticflapthatispinnedatthebase,andthensubjec
7、tedtoa10m/sflowofair.Themassandstiffnessoftheplatearesuchthatthefirstbendingmodehasafrequencynear4HzandthefirsttwistingVersion9.02STAR-CCM+UserGuideAbaqusCo-Simulation:MechanicalCoupling10941modehasaf
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