adams-atv实例6

AdamsTrackedVehicleToolkitTemplate-basedarchitectureTrackTestingTutorialAugust2009MSC.SoftwareSwedenABAdamsTrackedVehicleToolkitTrackTestingTutorialMSC.SoftwareSwedenAB2(9)Theinformationinthisdocumentisfurnishedforinformationaluseonly,mayberevisedfromtimetotime,andshouldnotbeconstruedasacommitmentbyMSC.SoftwareSwedenAB.MSC.SoftwareSwedenABassumesnoresponsibilityorliabilityforanyerrorsorinaccuraciesthatmayappearinthisdocument.Thisdocumentcontainsproprietaryandcopyrightedinformation,MSC.SoftwareSwedenABpermitslicensesofAdams®TrackedVehicletoolkitsoftwaretoprintoutorcopythisdocumentforinternaluseinconnectionwiththelicensedsoftware.NopartofthisdocumentmayatanytimebecopiedforanyotherpurposeordistributedortranslatedintoanyotherlanguageordistributedtoanythirdpartywithoutthepriorwrittenpermissionofMSC.SoftwareSwedenAB.Adams®isaregisteredtrademarkofMSC.Software.Allotherproductnamesaretrademarksoftheirrespectivecompanies.Copyright2009byMSC.SoftwareSwedenAB.Allrightsreserved.AdamsTrackedVehicleToolkitTrackTestingTutorialMSC.SoftwareSwedenAB3(9)AboutThisDocumentThisdocumentcontainstheTrackTestingTutorialfortheATVtemplate-basedtoolkit.Usethetutorialexercisestolearnhowtousetheinterface,andhowtoexecuteTrackTestingsimulations.Theexercisesare,whenitcomestosystemspecificcommands,writtenforWindowsplatformwherenotexplicitlystatedUNIX.AdamsTrackedVehicleToolkitTrackTestingTutorialMSC.SoftwareSwedenAB4(9)TrackTestingProblemStatementInthisexerciseanewTrackTestingassemblywillbecreatedandusedforsimulation.Youwilllearnhowtosetupthetracksystemandpreparethemodelforsimulation.•Createtheassembly•TrackSetup•Runninganaylsis•AddasupportrollandrunanalysisagainLoadATVpluginandcreatetracktestingassemblyFirst,youwillloadtheAdamsTrackedVehicleToolkitpluginandthencreateanewassembly,track_test.asy.1.StartAdams/Viewbyrunningthe$ADAMS_INSTALLATION\atv\atv_aview.batfileandthenselectStandardInterfaceenvironment2.TheAdamsTrackedVehicleToolkitplug-inwillnowautomaticallybeloaded.3.Createanewtracktestingassembly.a.FromtheFilemenu,pointtoNewandselectGenericAssembly.b.Givethenewassemblythenametrack_test.c.IntheAssemblyClassoptionmenu,selecttrack_testing.(Ifyoucannotselecttrack_testing,theATVpluginwasprobablynotloaded,seestepsabove.)d.IntheSubsystems“file”field,rightclickandselectSearch-atv_shared/subsystems.tbl,andselectthetank_track.subsubsystem.AdamsTrackedVehicleToolkitTrackTestingTutorialMSC.SoftwareSwedenAB5(9)e.SelectOK.4.Closethemessagewindowwhentheassemblyisreadyanddisplayedonthescreen.Themodelhasbeenloaded.Asyoucansee,itconsistsofonlyatracksegmentpair.TrackSetupInthissectionyouwillsetupthetracktestingmodelandprepareforsimulation.Thisincludeswrappingthetracksegmentsandsettingupthetestrigactuators.1.FromtheATVmenu,selectTrackTesting–TrackSetup…2.Enter10intheNumberofTrackSegmentsfield.3.SelectSetup.ThemodelwillbeswitchedtoHalfVehiclemode,sotherightsidetrackwillbedeactivated.Then10tracksegmentsarecreatedfromtheoriginaltracksegment.4.SelectClose.Nowitistimetosetuptheactuatorsfortesting.Ifyoutoggleontheiconvisibilityyouwillseesomemotionsandforcesattachedtotheredendofthetrack.Thesearetheactuatorswewillsetup.1.FromtheATVmenu,selectTrackTesting–ActuatorSetup…2.IntheX-row,selecttoactivatetheForce(F)andenterthefunction-30000.03.IntheR1-row,selecttoactivatetheTorque(T)andenterthefunction:1.0e6*step(time,0,0,2,1)–2.0e6*step(time,3,0,5,1)AdamsTrackedVehicleToolkitTrackTestingTutorialMSC.SoftwareSwedenAB6(9)4.SelectOK.Thissetupwilladdaconstantpullingforcealongthetrack,andatwistingtorquealsoalongthetrack.RunningAnalysisWewillnowdoashortanalysisoftheTrackTestingassembly.1.FromtheSimulatemenu,selectTrackTestingAnalysis–Submit.2.Runananalysiscalledtest1for6secondsusing600outputsteps.UsetheInteractivesimulationmode.IncludealsoaLinearAnalysisafter2.5secondsofsimulationtime.AdamsTrackedVehicleToolkitTrackTestingTutorialMSC.SoftwareSwedenAB7(9)Ifdesired,dopostprocessingontheanalysisresults.Postprocessingwillnotbecoveredinthistutorial.AddaSupportRollandrunanalysisagainWewillnowaddanothersubsystemwithaSupportRolltotheassemblyandsetupthesystemtoalsoincludethisnewsubsystemintheanalysis:1.FromtheFilemenuselectManageAssembliesandpointtoAddSubsystem.2.Right-clickintheSubsystemfield,pointtoSearchandselectatv_shared/subsystems.tbl3.Selectthetank_support_roll.subsubsystemfileandpressOpen4.SelectOKAsseenonthescreen,theSupportRollisplacedatadistancefromtheTrack.WewillnowtakecareofthisbymovingtheTrack.ButfirstwewillactivatetheForceGraphicsbetweentheTrackandtheSupportRoll:1.Right-clickonanyofthetracksegmentsandselectModify2.IntheModifyTrackSegmentdialogbox,changetheForceGraphicssettingtoTrackHolder3.SelectOK•Thefollowinginformationwindowappears:AdamsTrackedVehicleToolkitTrackTestingTutorialMSC.SoftwareSwedenAB8(9)4.SelectOKNowitistimetomovetheTrackandsetupthesystem:1.FromtheAdjustmenu,pointtoHardpointandselectTable2.SelecttheSubsystemoptionandselectthetank_tracksubsystem3.Movethehardpointhpl_track_segment_centertothefollowingcoordinate:-2000.0,-1270.0,273.04.SelectOK5.FromtheATVm