adams-atv实例2

AdamsTrackedVehicleToolkitTemplate-basedarchitectureAddCADGeometriesTutorialAugust2009MSC.SoftwareSwedenABAdamsTrackedVehicleToolkitAddCADGeometriesTutorialMSC.SoftwareSwedenAB2(11)Theinformationinthisdocumentisfurnishedforinformationaluseonly,mayberevisedfromtimetotime,andshouldnotbeconstruedasacommitmentbyMSC.SoftwareSwedenAB.MSC.SoftwareSwedenABassumesnoresponsibilityorliabilityforanyerrorsorinaccuraciesthatmayappearinthisdocument.Thisdocumentcontainsproprietaryandcopyrightedinformation,MSC.SoftwareSwedenABpermitslicensesofAdams®TrackedVehicletoolkitsoftwaretoprintoutorcopythisdocumentforinternaluseinconnectionwiththelicensedsoftware.NopartofthisdocumentmayatanytimebecopiedforanyotherpurposeordistributedortranslatedintoanyotherlanguageordistributedtoanythirdpartywithoutthepriorwrittenpermissionofMSC.SoftwareSwedenAB.Adams®isaregisteredtrademarkofMSC.Software.Allotherproductnamesaretrademarksoftheirrespectivecompanies.Copyright2009byMSC.SoftwareSwedenAB.Allrightsreserved.AdamsTrackedVehicleToolkitAddCADGeometriesTutorialMSC.SoftwareSwedenAB3(11)AboutThisDocumentThisdocumentcontainsthetutorialsfortheATVtemplate-basedtoolkit.Usethetutorialexercisestolearnhowtousetheinterface,andhowtoexecutesimulations.Theexercisesare,whenitcomestosystemspecificcommands,writtenforWindowsplatformwherenotexplicitlystatedUNIX.AdamsTrackedVehicleToolkitAddCADGeometriesTutorialMSC.SoftwareSwedenAB4(11)AddCADgeometriestoaminiexcavatormodelProblemStatementInthisexerciseyoulearnhowtoreplaceexistingstandardgeometrywithusercreatedgeometry(e.g.CAD).•Addadatabase•ImportingCADgeometries•AlignCADgeometries•AssignCADgeometriestoATVparts•SavingtemplatesForthisexercise,asetoffilesareprovidedcontainingCADgeometries(parasolid)ofasprocketandthetracksegment.Adatabasewithaminiexcavatormodelwillalsobeused.ThisisfoundintheexamplessubdirectoryoftheATVinstallation($Adams/atv/examples/):•connector_37.xmt_txt•sprocket_24.xmt_txt•track_segment.xmt_txt•exercise2.cdbAsyouwillmodifyandoverwritesomeofthecontentsofthedatabase,itmaybeconvenienttocopythecompletecontentsoftheexamplesdirectorytoadifferentlocation(e.g.C:\ATV).LoadATVpluginandreviewminiexcavatorassemblyFirstyouwillloadtheAdamsTrackedVehicleToolkitpluginandopenanexistingATVassembly,mini_excavator.asy1.StartAdams/Viewbyrunningthe$ADAMS_INSTALLATION\atv\atv_aview.batfileandthenselectStandardInterfaceenvironment2.TheAdamsTrackedVehicleToolkitpluginwillnowautomaticallybeloaded3.Firstaddtheexercise2databasetothesession4.FromtheToolsmenu,selectDatabaseManagementandAddtoSession5.SelecttheDatabasePathsothatitpointstotheprovideddatabasedirectoryexercise2.cdbAdamsTrackedVehicleToolkitAddCADGeometriesTutorialMSC.SoftwareSwedenAB5(11)Reviewthemini_excavator.asyassembly6.Opentheassemblymini_excavator.asyfromtheexercise2database•Reviewtheminiexcavatormodel7.ClosetheassemblyfromtheFilemenuandselectCloseandthenAssemblyOpenthetemplate_mini_exc_sprocket_24.tplandimportCADgeometriesBeforeitispossibletoopenatemplate,itisnecessarytoswitchtotheTemplateBuilderinterface1.FromtheToolsmenuselectATVTemplateBuilder(orpresstheF9key)2.Openthesprockettemplate,_mini_exc_sprocket_24.tpl,foundintheexercise2database(File–Open)BeforemodifyingthetemplateyouneedtoImporttheCADgeometries3.FromtheFilemenu,selectImport•TheFileImportdialogboxwillbedisplayed4.IntheFileTypeoptionmenu,selectParasolid5.Browseforthefilesprocket_24.xmt_txtlocatedintheexercise2directory6.SelectPartName(toggletheModelNamemenu)totwl_wheel,whichistheleftsprocketpartinthistemplateAdamsTrackedVehicleToolkitAddCADGeometriesTutorialMSC.SoftwareSwedenAB6(11)7.ClickOK8.Repeatsteps3to7,butimportthegeometrytotherightwheel(twr_wheel)Thegeometryhasnowbeenimportedtobothwheels.However,asyoucansee,thegeometryisnotcorrectlypositioned,sothenextstepistoadjustthatAdamsTrackedVehicleToolkitAddCADGeometriesTutorialMSC.SoftwareSwedenAB7(11)MoveandaligntheimportedCADgeometriesTomovethegeometriesmodifythegeometryreferencemarkerlocation1.Right-clickontheimportedgeometry,pointtothesolidbelongingtotheparttwl_wheel•ThenameofthesolidisCSG_xxwherexxisanumber2.SelectInfoofthesolid•TheInformationWindowwillbedisplayed•YoucannowseethenameoftheReferenceMarkerofthissolid–._mini_exc_sprocket_24.twl_wheel.PSMAR•Thepositionofthismarkerwillbeadjustedsothatthegeometrywillendupwherewewantit3.IntheInformationWindow,clickontheReferenceMarkername(PSMAR)sothatthefullnameofthemarkerisdisplayedinthefieldatthetopoftheInformationWindow4.ClicktheModifybutton•TheMarkerModifydialogboxwillbedisplayed5.IntheMarkerModifydialogboxentertheLocation0.0,-1000.0,0.0•Theorientationofthesolidisalsonotcorrect.Wewantittobeinlinewiththestandardgeometry;otherwisethewrappingroutinewillnotbeabletogetacorrectmatchbetweenteethandtracksegment.6.IntheMarkerModifydialogboxentertheOrientation90.0,7.5,270.0•Thismeansthatwerotatethegeometryhalftheextensionofatooth(0.5*360/24,asthesprockethas24teeth).7.ClickOKtoapplythenewlocationandorientation•VerifythenewCSG_xxgeometryisontopoftheoldgeometry8.Repeattheoperation1through7forthesolidbelongingt