ABAQUS显隠转换分析报告

...2.1TransferringresultsbetweenAbaqusanalyses:overview

Products:Abaqus/StandardAbaqus/ExplicitAbaqus/CAEReferences"TransferringresultsbetweenAbaqus/ExplicitandAbaqus/Standard,""TransferringresultsfromoneAbaqus/Standardanalysistoanother,""TransferringresultsfromoneAbaqus/Explicitanalysistoanother,"\t"v610keywin"*IMPORT\t"v610keywin"*IMPORTELSET\t"v610keywin"*IMPORTNSET\t"v610keywin"*IMPORTCONTROLS\t"v610keywin"*INSTANCE\t"v610usiwin""TransferringresultsbetweenAbaqusanalyses,"Section16.6oftheAbaqus/CAEUser'sManualOverview

AbaqusprovidesthecapabilitytoimportadeformedmeshanditsassociatedmaterialstatefromAbaqus/StandardintoAbaqus/Explicitandviceversa.Thiscapabilityisparticularlyusefulinmanufacturingproblems;forexample,theentiresheetmetalformingprocess<whichrequiresaninitialpreloading,forming,andsubsequentspringback>canbeanalyzed.InthiscasetheinitialpreloadingcanbesimulatedwithAbaqus/StandardusingastaticprocedureandthesubsequentformingprocesscanbesimulatedwithAbaqus/Explicit.Finally,thespringbackanalysiscanbeperformedwithAbaqus/Standard.AbaqusalsoprovidesthecapabilitytotransferdesiredresultsandmodelinformationfromanAbaqus/StandardanalysistoanewAbaqus/StandardanalysisorfromanAbaqus/ExplicitanalysistoanewAbaqus/Explicitanalysis,whereadditionalmodeldefinitionsmaybespecifiedbeforetheanalysisiscontinued.Forexample,duringanassemblyprocessananalystmayfirstbeinterestedinthelocalbehaviorofaparticularcomponentbutlaterisconcernedwiththebehavioroftheassembledproduct.InthiscasethelocalbehaviorcanfirstbeanalyzedinanAbaqus/StandardorAbaqus/Explicitanalysis.Subsequently,themodelinformationandresultsfromthisanalysiscanbetransferredtoasecondAbaqus/StandardorAbaqus/Explicitanalysis,whereadditionalmodeldefinitionsfortheothercomponentscanbespecified,andthebehavioroftheentireproductcanthenbeanalyzed.Forthiscapabilitytowork,thesamereleaseofAbaqus/ExplicitandAbaqus/Standardmustberunoncomputersthatarebinarycompatible.ABAQUS可以从隐式计算结果到显示计算进行分析,,该问题在求解一些问题是非常有用的,例如薄钢的锻造过程〔经历预加载,成形和回弹,该分析预加载可以通过std分析,锻造过程可以通过XPT进行分析,最后回弹可以再用std进行分析。ABAQUS也提供了从隐式分析到隐式分析和从显示分析到显示分析,例如可以先对感兴趣的局部构件进行分析,分析完成后,在对整个结构作分析,前部的分析结果可以传到后面的整体分析中。Savingtheanalysisresults

TherestartfilesfromtheoriginalanalysiscontaintheanalysisresultsthataretransferredfromAbaqus/StandardorAbaqus/Explicit.Obtainingrestartfilesisdescribedinmoredetailin"Writingrestartfiles"in"Restartingananalysis,";briefsummariesareprovidedbelow.Bydefault,Abaqus/StandarddoesnotwriteanyrestartinformationandAbaqus/Explicitwritesresultsatthebeginningandendofeachstep.SavingresultsfromAbaqus/StandardIftheresultsaretobeimportedfromanAbaqus/Standardanalysis,theresultsfromtheoriginalAbaqus/Standardjobmustbewrittentotherestart<.res>,analysisdatabase<.mdland.stt>,part<.prt>,andoutputdatabase<.odb>files.Youcanspecifytheincrementsatwhichrestartinformationwillbewritten.RestartinformationisalwayswrittenattheendofastepinadditiontotherequestedincrementswheneveryourequestrestartdatainAbaqus/Standard.InputFileUsage:\t"v610keywin"*RESTART,WRITE,FREQUENCY=n保存分析结果重启动文件包含了之前分析的信息,关于重启动的描述参阅"Writingrestartfiles"in"Restartingananalysis,"；下面做简要介绍,默认情况下,std不保存重启动文件,xpt在每个分析部开始和结束步保存重启动文件。Std结果保存如果想从std分析后获得结果,原始的std分析必须保留重启文件〔.res,分析数据<.mdland.stt>,PART<.prt>,和输出数据<.odb>文件,用户可以指定具体的重启位置,重启信息除了在请求的位置输出外在每一分析步的最后也将输出。InputFileUsage:\t"v610keywin"*RESTART,WRITE,FREQUENCY=nAbaqus/CAEUsage:Stepmodule:OutputRestartRequests:enternintheFrequencycolumnforeachstepXpt结果保存如果想要从某一时刻输入xpt分析的结果,则必须在原始的结果文件中保存.abq状态文件,状态文件重启文件数据文件,PART文件和结果文件共同用来从xpt分析后的结果作为输入。可以具体指定是否精确的时间输出xpt重启文件,因为xpt会在每个分析步的最后给出重启文件。InputFileUsage:Usethefollowingoptiontorequestresultsattheincrementsendingimmediatelyaftereachtimeinterval:\t"v610keywin"*RESTART,WRITE,NUMBERINTERVAL=n,TIMEMARKS=NOUsethefollowingoptiontorequestresultsattheexacttimeintervals:\t"v610keywin"*RESTART,WRITE,NUMBERINTERVAL=n,TIMEMARKS=YESAbaqus/CAEUsage:Stepmodule:OutputRestartRequests:enternintheNumberIntervalcolumn;clicktochecktheTimeMarkscolumnforeachstepifyouwanttheresultswrittenattheexacttimeintervalsSavingresultsfromAbaqus/ExplicitIftheresultsaretobeimportedfromanAbaqus/Explicitanalysis,theresultsfromtheoriginalAbaqus/Explicitjobmustbewrittentothestate<.abq>fileatthetimewhentransferofthestateofthedeformedbodyisrequired.Thestate<.abq>,restart<.res>,analysisdatabase<.stt>,package<.pac>,part<.prt>,andoutputdatabase<.odb>fileswillbeusedforimportingtheresultsfromAbaqus/Explicit.Youcanspecifywhethertheresultsaretobewrittenattheexacttimedictatedbythespecifiedtimeinterval,n,duringastepofanAbaqus/Explicitanalysisorattheincrementendingafterthetimedictatedbythespecifiedtimeinterval.Resultsarealwayswrittenattheendofastep,soitisnotnecessarytorequestresultsattheexacttimeintervalsifresultswillbereadonlyfromtheendofastep.InputFileUsage:Usethefollowingoptiontorequestresultsattheincrementsendingimmediatelyaftereachtimeinterval:\t"v610keywin"*RESTART,WRITE,NUMBERINTERVAL=n,TIMEMARKS=NOUsethefollowingoptiontorequestresultsattheexacttimeintervals:\t"v610keywin"*RESTART,WRITE,NUMBERINTERVAL=n,TIMEMARKS=YESAbaqus/CAEUsage:Stepmodule:OutputRestartRequests:enternintheNumberIntervalcolumn;clicktochecktheTimeMarkscolumnforeachstepifyouwanttheresultswrittenattheexacttimeintervals指定模型数据的传递和结果下面讲解如何指定具体的输入请求,从一个模型数据和结果输入到另一个模型数据和结果,用户可以输入从没有被定义成装配件的实例的elementset,或者可以输入part实例从已经定义成装配件实例的part实例。在CAE里面仅仅能从装配件的构件实例中输入模型。指定从elementset中输入数据和结果。输入的例子参见\t"v610exawin""Springbackoftwo-dimensionaldrawbending,"Section1.5.1oftheAbaqusExampleProblemsManual,and\t"v610exawin""Axisymmetricformingofacircularcup,"Section1.3.7oftheAbaqusExampleProblemsManual。InputFileUsage:Usethefollowingoptiontoimportelementsetsfromapreviousanalysis:\t"v610keywin"*IMPORTlistofelementsetsthataretobeimported为了阻止模棱两可的单元和节点,*import必须在定义额外模型数据前指定,另外*import只能指定一次每个elementset的名字在*import输入行必须在原始文件的截面定义中使用过,〔e.g.*solidsection,elementset仅能包含不超过三种类型的单元。在CAE里面只能从PARTINSTANCES里面输入结果和数据如果输入的超过一个partinstance,partinstance必须从一个结果文件里输入且输入的参数必须和输入文件partinstances里面的一致,每个instance的名字应该保持一致,只有importinstance里面的sets才能被输入,sets在assemblies定义的必须在import分析中重新定义,重新定义的sets不能修改输入的新截面,材料的方向,法线,和梁方向InputFileUsage:Usethefollowingoptionstoimportapartinstancefromapreviousanalysis:\t"v610keywin"*INSTANCE,INSTANCE=instance-nameAdditionalsetandsurfacedefinitions<optional>\t"v610keywin"*IMPORT\t"v610keywin"*ENDINSTANCEAbaqus/CAEUsage:InAbaqus/CAEyoucanimportmodeldataandresultsonlyfrommodelsthataredefinedasassembliesofpartinstances.Loadmodule:CreatePredefinedField:Step:Initial:chooseOtherfortheCategoryandInitialStatefortheTypesforSelectedStep:selecttheinstancestowhichtheinitialstateshouldbeassignedSpecifyingthetransferofmodeldataandresults

Theimportcapabilityisusedtotransfermodeldataandresultsfromoneanalysistoanother.Thefollowingsectionsdescribehowtospecifytheimportrequest.Youcanimportelementsetsfrommodelsthatarenotdefinedasassembliesofpartinstances,oryoucanimportpartinstancesfrommodelsthataredefinedasassembliesofpartinstances.InAbaqus/CAEyoucanimportmodeldataandresultsonlyfrommodelsthataredefinedasassembliesofpartinstances.SpecifyingthetransferofmodeldataandresultsformodelsthatarenotdefinedasassembliesofpartinstancesYoucanimportelementsetsfromapreviousanalysistospecifythetransferofmodeldataandresultsformodelsthatarenotdefinedasassembliesofpartinstances.Thisimportcapabilityisillustratedin\t"v610exawin""Springbackoftwo-dimensionaldrawbending,"Section1.5.1oftheAbaqusExampleProblemsManual,and\t"v610exawin""Axisymmetricformingofacircularcup,"Section1.3.7oftheAbaqusExampleProblemsManual.InputFileUsage:Usethefollowingoptiontoimportelementsetsfromapreviousanalysis:\t"v610keywin"*IMPORTlistofelementsetsthataretobeimportedTopreventanyambiguityregardingelementandnodedefinitions,the\t"v610keywin"*IMPORToptionmustbespecifiedbeforeanyoptionsthatdefineadditionalmodeldataintheinputfile.Inaddition,the\t"v610keywin"*IMPORToptioncanbespecifiedonlyonce.Eachelementsetnamespecifiedonthedatalineofthe\t"v610keywin"*IMPORToptionmusthavebeenusedinasectiondefinitionoption<e.g.,\t"v610keywin"*SOLIDSECTION>intheoriginalanalysis.Anelementsetcancontainnomorethanthreedifferenttypesofelements.Abaqus/CAEUsage:InAbaqus/CAEyoucanimportmodeldataandresultsonlyfrommodelsthataredefinedasassembliesofpartinstances.SpecifyingthetransferofmodeldataandresultsformodelsthataredefinedasassembliesofpartinstancesYoucanimportpartinstancesfromapreviousanalysistospecifythetransferofmodeldataandresultsformodelsthataredefinedasassembliesofpartinstances.Ifyouimportmorethanonepartinstance,thepartinstancesmustbefromthesameoutputdatabase<.odb>fileandallimportparametersmustbethesameforeachimportedpartinstance.Eachinstancenamethatyouspecifymustbethesameastheinstancenameintheoriginalanalysis.Onlysetsthataredefinedwithintheimportedinstancewillbeimported.Setsdefinedattheassemblylevelmustberedefinedintheimportanalysis.Newsetdefinitionsandsurfacedefinitionscanbeaddeduponimport.Youcannotassignnewsections,materialorientations,normals,orbeamorientationstotheimportedpartinstance.InputFileUsage:Usethefollowingoptionstoimportapartinstancefromapreviousanalysis:\t"v610keywin"*INSTANCE,INSTANCE=instance-nameAdditionalsetandsurfacedefinitions<optional>\t"v610keywin"*IMPORT\t"v610keywin"*ENDINSTANCEAbaqus/CAEUsage:InAbaqus/CAEyoucanimportmodeldataandresultsonlyfrommodelsthataredefinedasassembliesofpartinstances.Loadmodule:CreatePredefinedField:Step:Initial:chooseOtherfortheCategoryandInitialStatefortheTypesforSelectedStep:selecttheinstancestowhichtheinitialstateshouldbeassignedIdentifyingtheanalysisfromwhichthedatawillbeobtainedYoumustspecifythenameofthejobfromwhichthemodelandresultsdatawillbeobtained.InputFileUsage:Forallmodelsyoucanenterthefollowinginputonthecommandline:abaqusjob=job-nameoldjob=oldjob-nameIftheoldjobparameterisomitted,Abaquswillpromptforthejobname<see"Abaqus/Standard,Abaqus/Explicit,andAbaqus/CFDexecution,">.Alternatively,formodelsdefinedasassembliesofpartinstances,youcanusethefollowingoption:\t"v610keywin"*INSTANCE,LIBRARY=oldjob-nameIfyouimportmorethanonepartinstance,theoldjob-namespecifiedbytheLIBRARYparametermustbethesameforeachimportedpartinstance.Ifthejobnameisspecifiedonthecommandlineusingtheoldjoboption,thecommandlinespecificationwilltakeprecedenceovertheLIBRARYparameter.Abaqus/CAEUsage:InAbaqus/CAEyoucanimportmodeldataandresultsonlyfrommodelsthataredefinedasassembliesofpartinstances.Loadmodule:CreatePredefinedField:Step:Initial:chooseOtherfortheCategoryandInitialStatefortheTypesforSelectedStep:Jobname:output-database-name从包含的数据文件中指定分析数据必须具体制定包含数据和结果文件的名字InputFileUsage:Forallmodelsyoucanenterthefollowinginputonthecommandline:ImportingmodeldataElementpropertydefinitionsofimportedelementscanberedefinedonlyifthereferenceconfigurationisupdated<see"Updatingtheimportedconfiguration">andthematerialstateisnotimported<see"Importingthematerialstate">.Inthiscasethematerialorientationdefinitions<"Orientations,">,hourglassstiffnessbutnothourglasscontroldefinitions,andtransverseshearstiffnessdefinitions<inthecaseofshellelements>oftheimportedelementscanalsoberedefined.Forotherreferenceconfigurationandmaterialstatecombinations,theinformationrequiredtodefinethesectionforeachimportedelementwillbeimportedfromtheoriginalanalysis.Materialorientationscannotberedefinedintheimportanalysis;orientationnamescannotbereusedintheimportanalysis.Forimportedelements,thematerialorientationswillbetransferredfromtheoriginalanalysis.Transverseshearstiffnessforimportedshellelementscannotberedefined;thevalueswillbetransferredfromtheoriginalanalysis.HourglassstiffnessfortheimportedelementscannotberedefinedinanAbaqus/Standardimportanalysis;thedefaultvalueswillbeused.Thesectioncontroldefinitions<kinematicformulation,orderofaccuracyintheelementformulation,andhourglasscontrolapproach>tobeusedforimportedelementscannotberedefined<see"TransferringresultsbetweenAbaqus/ExplicitandAbaqus/Standard,",fordetails>.Onlynodesassociatedwiththeimportedelementsareimported.Newnodescanbedefinedintheimportanalysis.Nodesorelementsthatusethesamenumbersasnodesorelementsbeingimportedcanbedefinedprovidedthatthereferenceconfigurationisupdated,thematerialstateisnotimported,andtheimportisnotdonefromaninstancelibrary.Thenewdefinitionswilloverwritetheimporteddefinitions.Ifthereferenceconfigurationisnotupdated,newnodesorelementscannotusetheimportednodeandelementnumbersirrespectiveofwhetherornotthematerialstateisimported.DuringresultstransferfromanAbaqus/StandardanalysistoanotherAbaqus/StandardanalysisorfromanAbaqus/ExplicittoanotherAbaqus/Explicitanalysis,thecoordinatesofimportednodescanbemodifiedfromtheirimportedvaluesbyrespecifyingthenodaldefinitionsifthereferenceconfigurationisupdatedandthematerialstateisnotimported.ThismodificationofthecoordinatesofimportednodesisnotallowedduringtransferofresultsfromAbaqus/ExplicittoAbaqus/Standardorviceversa.ImportingmodeldatadefinedbyadistributionWhiletransferringresultsfromoneAbaqus/StandardanalysistoanotherAbaqus/Standardanalysis,mostelementormaterialpropertiesdefinedbyadistribution<see"Distributiondefinition,">areimportedalongwiththeelements.Theonlyexceptionsarespatiallyvaryingthicknessesandorientationanglesdefinedonthelayersofcompositeshellsandsolids;inthiscaseAbaqusissuesanerrormessageduringinputfilepreprocessing.WhiletransferringresultsfromanAbaqus/ExplicitanalysistoanAbaqus/Standardanalysis,theonlyspatiallyvaryingelementpropertiesdefinedbyadistributionthatcanbeimportedareshellthicknessesandsectionorientationsforshellandsolidelements.Ifanyotherelementormaterialpropertiesaredefinedwithadistribution,Abaqusissuesanerrormessageduringinputfilepreprocessing.WhiletransferringresultsfromanAbaqus/StandardanalysistoanAbaqus/ExplicitanalysisorfromanAbaqus/ExplicitanalysistoanotherAbaqus/Explicitanalysis,theonlyspatiallyvaryingelementpropertiesdefinedbyadistributionthatcanbeimportedareshellthicknesses,sectionorientationsforshellandsolidelements,orientationanglesdefinedonthelayersofcompositeshells,andsectionstiffnessmatricesspecifieddirectlyforgeneralshellsections.Ifanyotherelementormaterialpropertiesaredefinedwithadistribution,Abaqusissuesanerrormessageduringinputfilepreprocessing.ImportingresultsfromanAbaqus/Standardanalysis<otherthanadirectcyclicanalysis>IftheresultsareimportedfromanAbaqus/Standardanalysis,youcanspecifythestepandincrementintherestartfileforwhichtheresultsaretobeimported.Bydefault,theresultswrittenattheendoftheanalysisareimported.InputFileUsage:\t"v610keywin"*IMPORT,STEP=step,INCREMENT=increment

Formodelsthataredefinedasassembliesofpartinstances,the\t"v610keywin"*IMPORToptionmustappearwithinapartinstancedefinition.Abaqus/CAEUsage:InAbaqus/CAEyoucanimportmodeldataandresultsonlyfrommodelsthataredefinedasassembliesofpartinstances.Loadmodule:CreatePredefinedField:Step:Initial:chooseOtherfortheCategoryandInitialStatefortheTypesforSelectedStep:selectinstances:Step:selectSpecify:stepandFrame:selectSpecify:incrementImportingresultsfromanAbaqus/StandarddirectcyclicanalysisIftheresultsareimportedfromadirectcyclicanalysis,youcanspecifythestepanditerationnumberintherestartfileforwhichtheresultsaretobeimported.Bydefault,theresultswrittenattheendoftheanalysisareimported.InputFileUsage:\t"v610keywin"*IMPORT,STEP=step,ITERATION=iteration

Formodelsthataredefinedasassembliesofpartinstances,the\t"v610keywin"*IMPORToptionmustappearwithinapartinstancedefinition.Abaqus/CAEUsage:InAbaqus/CAEyoucanimportmodeldataandresultsonlyfrommodelsthataredefinedasassembliesofpartinstances.Loadmodule:CreatePredefinedField:Step:Initial:chooseOtherfortheCategoryandInitialStatefortheTypesforSelectedStep:selectinstances:Step:selectSpecify:stepandFrame:selectSpecify:iterationImportingresultsfromanAbaqus/ExplicitanalysisIftheresultsareimportedfromanAbaqus/Explicitanalysis,youcanspecifythestepandintervalinthestatefileforwhichtheresultsaretobeimported.Bydefault,theresultswrittenattheendoftheanalysisareimported.InputFileUsage:\t"v610keywin"*IMPORT,STEP=step,INTERVAL=interval

Formodelsthataredefinedasassembliesofpartinstances,the\t"v610keywin"*IMPORToptionmustappearwithinapartinstancedefinition.Abaqus/CAEUsage:InAbaqus/CAEyoucanimportmodeldataandresultsonlyfrommodelsthataredefinedasassembliesofpartinstances.Loadmodule:CreatePredefinedField:Step:Initial:chooseOtherfortheCategoryandInitialStatefortheTypesforSelectedStep:selectinstances:Step:selectSpecify:stepandFrame:selectSpecify:intervalUpdatingtheimportedconfigurationOncethecurrentmodelconfigurationofanAbaqusanalysisisimportedintoAbaqus/ExplicitorAbaqus/Standard,theanalysiscanbecontinuedwithorwithoutupdatingthereferenceconfigurationtobetheimportedconfiguration.Ifthereferenceconfigurationisnotupdatedtobetheimportedconfiguration,thedisplacementsandstrainsarereportedastotalvaluesrelativetotheoriginalreferenceconfigurationandwill,hence,becontinuous.Ifthereferenceconfigurationisupdatedtobetheimportedconfiguration,displacementsandstrainsreportedintheimportanalysisarethetotalvaluesrelativetotheupdatedreferenceconfiguration.Thischoiceisusefulifresultsneedtobedisplayedrelativetotheimportedconfiguration,suchasmaybedesirableinspringbackanalysis.Thereferenceconfigurationcannotbeupdatediftheimportedanalysisisgeometricallylinear.Ifconnectorelementsareimported,theconfigurationcanbeupdatedprovidedthatthestateisnotimported.InputFileUsage:Usethefollowingoptiontospecifythatthereferenceconfigurationistobeupdatedtotheimportedconfiguration:\t"v610keywin"*IMPORT,STEP=step,UPDATE=YESUsethefollowingoptiontospecifythatthereferenceconfigurationshouldnotbeupdatedtotheimportedconfiguration:\t"v610keywin"*IMPORT,STEP=step,UPDATE=NOFormodelsthataredefinedasassembliesofpartinstances,the\t"v610keywin"*IMPORToptionmustappearwithinapartinstancedefinition.Abaqus/CAEUsage:InAbaqus/CAEyoucanimportmodeldataandresultsonlyfrommodelsthataredefinedasassembliesofpartinstances.Loadmodule:CreatePredefinedField:Step:Initial:chooseOtherfortheCategoryandInitialStatefortheTypesforSelectedStep:toggleUpdatereferenceconfigurationonoroffImportingthematerialstateYoucanspecifywhetherornottheassociatedmaterialstateshouldbeimported.Ifyouchoosetoimportthematerialstate,thefollowingareimported:stresses;equivalentplasticstrains;backstressesforthekinematichardeningmodels;user-definedstatevariables;damage-relatedstatevariablesfortheconcretedamagedplasticitymodel;damage-relatedstate-variablesfortraction-separationresponsewithcohesiveelements;damage-relatedstatevariablesforductilemetals;damage-relatedstatevariablesforfiber-reinforcedcomposites;maximumdeviatoricstrainenergydensityduringdeformationhistoryforMullinseffect;internalstrainsandstressesforviscoelasticmaterialmodels;andconnectorstatevariablessuchasplasticstrains,frictionalslip,anddamagestate.Thus,thestateisimportedcorrectlyforfurtheranalysisonlyforthefollowing:linearelasticity,Misesplasticity<includingthekinematichardeningmodels>,extendedDrucker-Pragerplasticity,crushablefoamplasticity,Mohr-Coulombplasticity,criticalstate<clay>plasticity,castironplasticity,concretedamagedplasticity,hyperelasticity<includingMullinseffect>,hyperfoam,viscoelasticity,traction-separationresponsewithdamageforcohesiveelements,damageforductilemetals,damageforfiber-reinforcedcomposites,connectorbehavior,andmaterialsdefinedinusersubroutines\t"v610subwin"UMATand\t"v610subwin"VUMAT.Forallothermaterialmodelsonlystresseswillbeimported.Nootherstatevariableswillbeimported.Ifthematerialbehaviorisdefinedinausersubroutine,youmustensurethatthe\t"v610subwin"UMATand\t"v610subwin"VUMATareconsistent.Ifconnectorelementsareimported,thestatecanbeimportedprovidedthattheconfigurationisnotupdated.InputFileUsage:Usethefollowingoptiontospecifythatthematerialstateshouldbeimported:\t"v610keywin"*IMPORT,STATE=YESUsethefollowingoptiontospecifythatthematerialstateshouldnotbeimported:\t"v610keywin"*IMPORT,STATE=NOFormodelsthataredefinedasassembliesof