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外文翻译--多学科系统级虚拟样机建模与仿真技术.doc

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外文翻译--多学科系统级虚拟样机建模与仿真技术.doc

附录附录一MultidisciplinaryhypothesizedprototypemodelingandsimulationtechnologyAuthorPRCtechnicaldepartmentarticleoriginMSC.SoftwareThisarticleembarkedfromthecurrentproductdesignprocesstothemultidisciplinaryunionsimulationdemand,hasanalyzedtheproductcoordinationdesigntothesimulationtechnologythreelevelsfunctiondemands,anddrewoutcurrentlyrealizesthemultidisciplinaryintegratedsimulationgeneralmethod.Themultidisciplinaryunionsimulationneedstocontrol,theorganization,thefiniteelementandsoonthedifferentsimulationenvironmentintegrationandthedataexchange,MSC.Softwareprovidedmostsystematicandtheintegritymultidisciplinarycoordinationsimulationdevelopmentenvironment,thisarticleindetailintroducedMSC.TheSoftwaremultidisciplinaryhypothesizedprototypemodelingandthesimulationsolution,andhasproducedtheconcreteexample.1.multidisciplinaryunionssimulationsdemandItiswellknown,themodernproductresearchanddevelopmentflowisthemultipeopleteam,themultidisciplinarydomaincoordinationdesignprocess.Inproductperformancehistory,regardlessofistheplanprincipledesign,thepartleveldetailedparameterspecificationdesign,allinvolvestomanydifferentsubsystemsandtherelateddisciplinedomain,thesesubsystemsallhavetheoneselfspecificfunctionandtheuniquedesignmethod,butbetweenvarioussubsystemsthenhasthecrosscouplingfunction,composestheintegritytogetherthefunctionalsystem.Chart1themodernproductprocessinvolvesmanysubsystemsandtherelateddisciplinedomainHowdoestheeffectivecoordinatedeachsubsystemdesignteamswork,letbetweentheteamachieveinformationsharing,helpssupplyeachother,andguaranteesthesubsystemthedesignqualityandtheoverallperformance,therealizationproductdesigntrueintegrationharmoniouscooperationassimilation,thustheenhancementratedcapacity,savesthedesigncost,reducesthedevelopmentcycle,thisisanextremelyimportantquestion.Inordertoachievetheabovegoal,wemustsatisfyfollowingthreelevelsthedemandFirst,hasvarioussubsystemsandvariousdisciplinesdomaineffectiveintegrationsimulationtool,thusguaranteesvarioussubsystemsthedesignstandardandthereliabilityChart2variousdisciplinesdomaindifferentdesigntoolSecond,canrealizebetweenvarioussimulationstoolseamlessintegrationandthedataexchange,realizesthemodelconformityundertheunificationoverheadconstructionThird,inordertocancoordinateandmanageeachdesignteam,aswellasmassdatawhichproducesinthedesignprocess,realizationresourcesoptimizationdisposition,butalsomusthavethesimulationdataandtheflowmanagementplatform,realizesvariousdisciplinesdomaintruecoordinationtoimitate.2.multidisciplinarycoordinationsimulationsgeneralrealizationmethodAtpresentmoregeneralandthepopularrealizationmultidisciplinaryintegrationsimulationmethodmainlyincludesfollowingthreekinds2.1unionssimulationstypeCoSimulationTheunionsimulationtypeisatpresentisgeneral,alsousesmostonedataexchangeway,itsdataexchangeprinciplelikechart3shows,betweentwodifferentsimulationstoolspassesTCP/WayrealizationdataexchangeandtransferandsoonTCP/IP.Chart3unionsimulationlikebasicprincipleAfterbetweentwodifferentsimulationstoolsthroughtheunionsimulationwayestablishmentconnection,onecontainsthemodelmaytheresultwhichcalculatesowntransmitasthesysteminputinstructionforthemodelwhichanotheroneestablishes,thiskindofinstructionincludingthestrength,themomentofforce,theactuationandsoonthetypicalsignal,lattermodeltheresponsequantitywhichproducesinunderthisinstructionfunction,likedisplacement,speed,accelerationandsoon,alsomayfeedbackgivesformerthemodel,likethis,themodelinformationandthesimulationdatamayintwobetweendirectionaltransmissions.TheunionsimulationwaymodelapplicationincludesPolysomedynamicsandcontrolsystemforexamplevehiclecontrol,structureandairoperatedloadforexampleaeronauticaldynamicsanalysis,andsoon.Thisisonekindiseasiesttoestablishandtherealizationintegratedsimulationway,hasverystronggeneral,butlimitsliesinprocessestherigidsystemwithdifficulty,takesmanytothesystemresources,certainsituationpossiblespeedstobeslow.2.2modelstransformationstypeModelTransferModeltransformationlikeprinciplelikechart4shows.Itsmainprincipleistransformstoolmodelforthespecificformcontainsthemodelinformationthedatafile,foranothertoolinmodeltransfer,thusrealizationinformationinteractive.Thetypicaldataformatlikeusedinjustshootingthecouplinganalysisthemodalityneutraldocument.mnf,containedinthisdocumentusesM,K,xtheresonanceoscillationmatrixrepresentationinformationUsesinthecontrolmechanismintegrationsimulationaswellasothersimulationsdynamiclinkstorehousedocuments.dll,inthisdocumentcontainsusesthevariableexpressionthefunctioninformation.Chart4modeltransformationlikebasicprincipleThemodeltransformationlikemodelapplicationincludesThecontrol,thebatterysolutionandtheorganizationintegrationsimulationforexampleairplanecontrolsurface,thefiniteelementandthepolysomeorganizationforexamplejustshotcouplingmechanicalsystem,andsoon.Thiswaycharacteristicliesinthesolutionspeedquickly,takesfewtothesystemresources,thestabilityisgood,afterandthemodelestablishmentisadvantageousfortherepetitionuse,butlimitsthenliesinneedstodefinethespecificdataformatthedocument,theversatilitymissesslightly.2.3solutionsintegrationstypeSolverConvergenceThesolutionintegrationlikebasicprinciplerealizesbetweentwodifferenttoolssolutioncodeintegrations,thusrealizesinanamongsimulationenvironmenttoanothersimulationtoolsolutiontransfer,likechart5shows.Chart5solutionintegrationlikebasicprincipleThesolutionintegrationlikemodelapplicationincludesHasmaterialnonlinearproblemtheandsoontheflexurelargescalestructuralmodel,hasflowssolidgeometrynonlinearproblemtheandsoonthecoupling,impactlargescale

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