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1、PythonScriptinginABAQUSPythonScriptinginABAQUSKevinMaxwellTexasA&MUniversityAugust30,2006IntroductionABAQUSCAEprovidesagraphicaluserinterfacethatallowstheusertocreatefiniteelementmodelsthatcanthenbeanalyzedinABAQUSStandard.ForeveryfeatureinCAE,thereisacorrespondingPythonscriptcomma
2、ndthattheprogramuseswhencreatingthemodel.Ifthelanguageisunderstoodwellenough,anentiremodelcanbecreatedsimplybyrunningascriptfile.Whileonecouldwriteanentirescriptfromscratch,ABAQUSprovidesseveraleasiermethodsthatautogeneratePythoncommands.WhenamodeliscreatedinCAE,twofilesareautomati
3、callycreatedintheworkdirectory.ThereplayfilerecordseveryactionthatisperformedinCAEincludingcamerazoom/panningcommandsandalsoanymistakesthatweremadeandthencorrected.Thisfilecanberunto“replay”alltheworkthathasbeendoneonthemodel.Therecoverfilerecordsonlytheminimumnecessarycommandstore
4、createthemodel.IfanerroroccursandCAEcloseswithoutsaving,therecoverfilecanberuntorecreatethemodel.Whenamodelissaved,CAEusestherecoverfiletowriteajournalfile.Thejournalfileisacomprehensivescriptthatshowsallworksavedonthemodel.Notethattherecoverfileisdeletedwheneverthemodelissavedanda
5、llofitscommandsaretransferredtothejournalfile.TherecoverandjournalfilesprovideaneasyalternativetowritingPythonscriptsfromscratch.OnecansimplydefineamodelinCAEandthensavethePythoncommandsfromtherecoverorjournalfilesasaseparatescriptfile.Thereareseveralvaluablesourcesofinformationper
6、tainingtoscriptinginABAQUS.TheABAQUSScriptingUser’sManualandABAQUSScriptingReferenceManualareinvaluableresourcesthatareincludedintheABAQUSdocumentation.Theuser’smanualgivesanoverviewtoscriptingwhilethereferencemanualprovidesin-depthcoverageofeveryscriptingcommandusedinABAQUS.Anothe
7、rsourceofinformationcanbefoundathttp://www.python.org.ThiswebsitecontainsnumerousresourcesdealingwiththePythonlanguageingeneral.ExampleToillustratetheprocedureforauto-generatingPythonscripts,thecruciformspecimenusedforinterfacialnormalstrengthtestingwillbemodeled.Thisspecimenisshow
8、ninFigure1.Ascanbeseenfrom
