ABAQUS connector经典用法介绍

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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