MARC_ Paper_Clip

Mar120,Workshop7,December2001WORKSHOP7METALFORMINGAPAPERCLIPMar120,Workshop10,March2001WS7-1Mar120,Workshop7,December2001Mar120,Workshop10,March2001WS7-2Mar120,Workshop7,December2001ModelDescriptionThisworkshopillustratesacommonmetal-formingprocessbysimulatingtheshapingofthefamiliarandcommonplacepaperclip.Therearemanywayofproducingthepiece.Thisexercisemakesuseofsimple,straightforwardmovementsofrigidbodies.Mar120,Workshop10,March2001WS7-3Mar120,Workshop7,December2001ObjectiveIllustratesettingupamulti-stepanalysisandtheuseofrigidsurfaceschargedwithshapingamalleableworkpiece.RequiredNosupportingfileisrequiredforthisproblem.Mar120,Workshop10,March2001WS7-4Mar120,Workshop7,December2001SuggestedExerciseSteps1.Createtheworkpiece.2.Createwellappropriatedrigidsurfaces.3.Fixtheinnerendoftheworkpiece.Mar120,Workshop10,March2001WS7-5Mar120,Workshop7,December2001CREATENEWDATABASEOpenanewdatabase.NameitPaper_clip.dba.File:Newb.EnterPaper_clip.dbasthefilename.c.ClickOK.d.SelectMSC.MarcastheAnalysisCode.e.ClickOK.aPaper_clipbMSC.Marcqde10.0cStructuralqMar120,Workshop10,March2001WS7-6Mar120,Workshop7,December2001Step1.Geometry:Create/Surface/XYZ6.4,.035,0[-4.9,.09375,0]abcUsetheXYZmethodtocreateasurfacea.Geometry:Create/Surface/XYZ.b.Enter6.4,.035,0asVectorCoordinatesList.c.Enter[-4.9,.09375,0]asOriginCoordinatesList.Mar120,Workshop10,March2001WS7-7Mar120,Workshop7,December2001[0.49125,0,0]991abdcePointIDListPointCoordinatesList991[0.49125,0,0]992[1.69125,0.03125,0]993[0.191125,0.48625,0]1001[0.2705,0.22075,0]1002[0.2705,-0.22075,0]1003[1.94325,-0.22075,0]1004[1.94325,0.28325,0]1005[-0.092125,0.28325,0]1006[-0.092125,-0.28325,0]fUsetheXYZmethodtocreatecenterpoints.a.Geometry:Create/Point/XYZ.b.Enter991forPointIDList.c.UncheckAutoExecute.d.Enter[0.49125,0,0]forPointCoordinatesList.e.ClickApply.f.Repeatstepsa-eforeightadditionalpointsasshowninthetable:Step2.Geometry:Create/Point/XYZThePointIdMUSTmatchwiththePointCoordinatesabove.AllthePointIdsareforlateronuse.MakesureyouhaveEXACTLYthesameIdnumbersandcoordinatenumbersMar120,Workshop10,March2001WS7-8Mar120,Workshop7,December2001[1.69125,0.03125,0]992abdce[0.191125,0.48625,0]993abdce[0.2705,0.22075,0]1001abdce[0.2705,-0.22075,0]1002abdce[1.94325,-0.22075,0]1003abdce[1.94325,0.28325,0]1004abdce[-0.092125,0.28325,0]1005abdce[-0.09215,-0.28325,0]1006abdceMar120,Workshop10,March2001WS7-9Mar120,Workshop7,December2001ghByturningonthepoint&curvelabelcontrol,itwillbecomeeasiertoidentifyeachpointandcurvewhenselectingthem.Youshouldbeabletoseethepointsyouhavejustcreatedalongwiththeirpointlabels.g.ClickLabelControl.h.SelectboththePointandCurveoptions.Mar120,Workshop10,March2001WS7-10Mar120,Workshop7,December2001CurveRadiusPointID10.09375Point99120.125Point99230.15625Point99340.09Point100150.09Point100260.09Point100370.09Point100480.09Point100590.09Point1006bPoint9910.093751acdfeCreatethecurvesa.Geometry:Create/Curve/2DCircle.b.SelectAnypointicon.c.Enter0.09375forCircleRadius.d.ClickintheCenterPointListpanel.e.SelectPoint991.f.ClickApply.g.Repeatstepsc-fforeightadditionalcurvesasshowninthetable:Step3.Geometry:Create/Curve/2DCircleMar120,Workshop10,March2001WS7-11Mar120,Workshop7,December2001Point10030.096acdfPoint10040.097acdfPoint10050.098acdfPoint10060.099acdfPoint9920.1252acdfPoint9930.156253acdfPoint10010.094acdfPoint10020.095acdfMar120,Workshop10,March2001WS7-12Mar120,Workshop7,December2001Step4.Elements:Create/Mesh/SurfaceCreatethemesha.Elements:Create/Mesh/Surface.b.SelectIsomeshforMesher.c.ClickinSurfaceListpanel.d.UseSurfaceorSolidFacepickingicon.e.SelecttheSurface1.f.UncheckAutomaticCalculation.g.Enter0.02forValue.h.ClickApply.dabc0.02ghSurface1fClickingApplycreatesthemesh.eMar120,Workshop10,March2001WS7-13Mar120,Workshop7,December2001Step5.Loads/BCs:Create/Contact/ElementUniformCreatecontactdeformablebodya.Load/BCs:Create/Contact/ElementUniform.b.SelectDeformableBodyforOption.c.EntertouchyforNewSetName.d.Select2DforTargetElementType.e.ClickSelectApplicationRegion….f.SelectGeometryforGeometryFilter.g.ClickinSelectSurfacespanel.h.SelectSurfaceorfaceicon.i.Selectthesurface.j.ClickAdd.k.ClickOK.l.ClickApply.hiSurface1Surface1fgjktouchyabcdelMar120,Workshop10,March2001WS7-14Mar120,Workshop7,December2001Step6.Loads/BCs:Create/Contact/ElementUniformCreatecontactrigidbodya.Create/Contact/ElementUniform.b.SelectRigidBodyforOption.c.EnterD1forNewSetName.d.Select1DforTargetElementType.e.ClickInputData….f.SelectPositionforMotionControl.g.Enter0,0,0forDisplacement(vector).h.ClickOK.i.ClickSelectApplicationRegion….0,0,0fghD1abcdeiMar120,Workshop10,March2001WS7-15Mar120,Workshop7,December2001j.SelectGeometryforGeometryFilter.k.ClickinSelectCurvespanel.l.SelectSurfaceorFaceicon.m.SelectCurve1.n.ClickAdd.o.ClickOK.p.Click-Apply-.q.Repeatstepsa-pforeightadditionalcurvesasshowninthetable:CurveNewSetNameDisp.Vactor1D10,0,02D20,0,03D30,-0.48625,04act10,-0.4415,05act21.67275,0,06act30,0.504,07act4-2.035375,0,08act50,-0.5665,09act62,0,0lmjknoD1pMar120,Workshop10,March200