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ID:46579129
大小:626.33 KB
页数:30页
时间:2019-11-25
《ABAQUS connector经典用法介绍》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、ConnectionElementsandConnectionLibraryLecture2Copyright2006ABAQUS,Inc.L2.2Overview•Introduction•DefiningConnectorElements•UnderstandingConnectorSections•UnderstandingConnectionTypes•UnderstandingConnectorLocalDirections•RotationalDegreesofFreedomatNodes
2、•ComponentsofRelativeMotion•ConnectorLocalKinematics•SummaryofOrientationsandLocalDirectionsFlexibleMultibodySystemswithABAQUSCopyright2006ABAQUS,Inc.IntroductionCopyright2006ABAQUS,Inc.L2.4Introduction•Generalcharacteristicsofconnectorelements•Connecto
3、relementsmodeldiscrete(point-to-point)physicalconnectionsbetweendeformableorrigidbodiesorcanbeconnectedtoground.•Example:typicalconnectionsinautomotivesuspensionsystemsStrutKnuckleAXIALTierodCYLINDRICALLINKRackandpinionControlarmJOINCYLINDRICALTypicalco
4、nnectionsinautomotivesuspensionFlexibleMultibodySystemswithABAQUSCopyright2006ABAQUS,Inc.L2.5Introduction•Connectorelementshaverelativedisplacementsandrotationsthatarelocaltotheelement,whicharereferredtoascomponentsofrelativemotions(CORM).•Connectorelem
5、entsimposekinematicconstraints.Forexample:•Doorconnectedtoaframethroughahinge•Twopanelsofsheetmetalspotweldedtogether•Constantvelocityjoints•Connectorelementsmayinclude(nonlinear)force-versus-displacement(orvelocity)behaviorintheiravailablecomponentsofr
6、elativemotion.•Example:muscleforceresistingtherotationofakneejointinacrash-testoccupantdummymodel.•Connectorelementscanprovidecomprehensivekinematicandkineticoutputdescribingtheconnection.FlexibleMultibodySystemswithABAQUSCopyright2006ABAQUS,Inc.L2.6Int
7、roduction•Connectorelementsarefunctionallydefinedbyspecifyingtheconnectionattributes.•Connectiontypes•Forexample:axial,hinge,weld,constantvelocityjoints,link,beam,etc.•LocalconnectordirectionsAXIAL•Connectorbehaviors•Uncoupledorcoupledresponse•Linearorn
8、onlinearresponse•Elasticityanddamping•Plasticity•FrictionAXIALconnectioninashockabsorbing•DamageandFailurestrutusesavarietyofconnectionbehaviors,•Stopsandlocksincludingspring,dampingandstopbehaviorsFlexibleMultibodySystemswithABA
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