Oasys_Primer为假人添加安全带.pdf

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1、OasysLS-DYNATRAININGCOURSESOasys9.4SeatBeltFittingLS-DYNAENVIRONMENTBeltFitting•Readthesimpleseatanddummymodelbelt_fitting.keyintoPRIMERLS-DYNAENVIRONMENTBeltFitting•Tools=>Occupants=>Seatbelts•Thismenuallowsyoutodefineandmodifyaseatbeltdefinition•Seatbelts=>1.Define;tostartcreatingaseatbelt

2、definitionLS-DYNAENVIRONMENTBeltFitting•Seatbelts=>Create•Selectthemodelinwhichwewanttocreatetheseatbeltdefinition(Model1)andgivetheSeatbeltdefinitionanIDandname.•PressApplyLS-DYNAENVIRONMENTBeltFitting•Nowweneedtoselectthepartsaroundwhichtheseatbeltistobefitted•PressPart..andselectthepartss

3、howninredbelow•PressApplyLS-DYNAENVIRONMENTBeltFitting•Nextweneedtodefineapathfortheseatbelt•Seatbelts=>2.Fit•PressDefinepathLS-DYNAENVIRONMENTBeltFitting•Wenowhavetoselectanumberofpointstodefinetheseatbeltpath,bypickingnodes.•AsthepointsareselectedtheyappearascoordinatesintheSeatbeltMenu233

4、44157789610LS-DYNAENVIRONMENTBeltFitting•Nextweneedtodefinesomeofthepointstobearetractor(1)andsliprings(2&6)sothattheywon’tmoveduringtheseatbeltfitting(theendpointsareautomaticallyfixed).•Pressonthe‘U’or‘A’fortherelevantpointandselecttherelevanttype23344157789610LS-DYNAENVIRONMENTBeltFitting

5、•Thetwistofthebeltcanalsobecontrolled•Press‘ControlTwist’andahandlewillappearateachpointallowingthetwisttobeadjustedbyclickinganddraggingwiththemouse.•Thetwistcanberemovedbypressingonthe‘x’•Press‘Save’LS-DYNAENVIRONMENTBeltFitting•PressDimens;Thisopensthewindowinwhichwecandefinethedimensions

6、oftheseatbelt•Width=40mm•Thickness=3mm(tohelppreventcontactpenetration)•Length=25mm•#rows=2(numberelementsacrossthewidthofthebelt)•PressDoneLS-DYNAENVIRONMENTBeltFitting•PressFit;Tofittheseatbelttothedummy•Thisisaniterativeprocesssoyoumayneedtopressthebuttonacoupleoftimes(1-2)togetagoodfitbe

7、tweenthebeltanddummy•WhenyouahappywiththefitpressAccept123LS-DYNAENVIRONMENTBeltFitting•Nextweneedtocreatetheseatbeltmesh•Seatbelts=>3.Mesh•Firstweneedtodefinetheseatbeltelementproperties•1DSbeltprops–isusedtodefinethepropertiesforthe1D*Element_Sea