Dytran官方经典培训讲义_chapter03_Input.ppt

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1、SECTION3INPUTDEFINITIONMSC.DYTRANUSERMANUALSOnlineDocumentationAvailableinPDF-formatinMSC.DytranExplorerHardcopyAvailableinfourvolumesUser’sGuideTheoryManualReferenceManualExampleProblemManualTwoAdditionalManuals:InstallationandOperationManualReleaseNotesMSC.DYTRANUSERS’SGUIDETheUser’sGuidedesc

2、ribesthefeaturesofMSC.Dytranandhowtheycanbeusedinmodelingyourproblem.Itintroducestheavailabletypeofelements,constraintsandloads.Furthermore,itdiscussesspecificfeatureslikeairbags,prestressandinterfaceswiththirdpartyproductslikeMadymo,USAandATB.Finallyitdescribesthecommandsnecessarytorun,restart

3、andrezonetheanalysisandthefilesproducedbyMSC.Dytran.MSC.DYTRANTHEORYMANUALGivesadescriptionoftheexplicitmethodoftimeintegrationandtheLagrangeandEulerprocessors.Inaddition,couplingtechniquesforfluidstructureinteractionsarediscussedfollowedbyadetaileddescriptionofmaterialmodels,yieldmodelsandsolv

4、ertechnologies.MSC.DYTRANREFERENCEMANUALThisReferenceManualdescribestheformatofeachentry,thecontentsofeachfield,thetypeofdatainitandthedefaultvaluesassumedifitisleftblank.Therearesevenmainchapters:FileManagementExecutiveControlStatementsCaseControlCommandsBulkDataEntryDescriptionsParametersUser

5、SubroutinesDiagnosticMessagesDATAINPUTInputFileMSC.Dytranisdesignedtoruninbatchmode.Allthedatarequiredforajobisprovidedintheinputfile,eithercreatedusinganeditor,ormoreoften,createdbyamodelingpackageorpreprocessor.TheinputfileiscompatiblewiththatforMSC.Nastranandconsistsoffourmainsections:FMSExe

6、cutiveControlCaseControlBulkDataTheinputfileisthesameregardlessofthetypeofcomputeryouareusing.ThefileisinASCIIformat,soitcanbeeasilytransferredbetweendifferentcomputers.JobControlInordertorunthebatchjobthecomputerrequiressomejobcontrolwhichisuniquetothetypeofmachinebeingused.Thesubmissionpackag

7、eusedtosubmitthejobwillgenerateallthejobcontrolrequiredtoruntheanalysisandcreatetheappropriatefiles.TheInstallationandExecutionGuidedescribeshowtorunMSC.Dytran.Inallcases,noknowledgeoftheintricaciesofthecomputersystembeingusedisre