Spaceclaim-Ansys-SCDM-145-L09fea-MidSurfacing-Beam

©2012ANSYS,Inc.November13,2012114.5ReleaseLecture9:MidSurfacesandBeamsIntroductiontoANSYSSpaceclaimDirectModeler(SCDM)©2012ANSYS,Inc.November13,20122MidsurfaceandBeam•InthisclasswewillwalkthroughthesimplificationandrepairstoolsusedtocreateandmodifymodelsinSpaceClaim.•Wewillfocuson:A.MidsurfaceB.BeamextractionC.WorkshopD.BeamCreationE.Workshop©2012ANSYS,Inc.November13,20123MidsurfaceandBeam-MidsurfaceGoals:-usetheMidsurfacetoolinordertosimplifythemodelandmeshwithshellelementinthesimulation.Guidingthreadcase:-startfromsolidmodeltoasimplifysurfacemodel.©2012ANSYS,Inc.November13,20124•MidsurfaceTool–OpenMidsurfacing1.scdocfile.–ClickontheMidsurfacebuttonontheleftsideofthePreparetab.–NOTE:FormoreinformationonaparticulartoolPressF1formorehelp.–ThefourToolguidesforMidsurfaceallowyoutoSelecttheoffsetfaces,Add/RemoveFacesfromtheselection,SwitchtheOrientationofthefaces,andCompletethemidsurface.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,20125•SelectingFaces–Selectonthefaceshown.AfterselectingthefirstfaceSpaceClaimwillfiltertheselectiontoonlyallowyoutoclickonparallelfaces,orfacesthatproduceanoffset.–Selectonthefacebehindthefirstone.–Allsurfaceswiththesamethicknesswillbeidentifiedonthepart.Howeveraswecanseeonerounddoesnothavethesamethickness.Thiscanhappenthroughtolerancesintranslationorthroughimpropermodeling.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,20126•Add/RemoveFaces–ClicktheAdd/RemoveFacestoolguide.–Thiswillallowyoutoaddfacesthatshouldbeincludedinthemidsurfacebutweren’tbecauseofaslightlydifferentthicknessorfacesthatweren’tparallel.–Selectontheround.–Thiswillnowmakesurethatfaceisincludedinthemidsurface.–NOTE:Facesonlyneedtobeidentifiedononesideofthemodel.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,20127•CompleteMidsurface–ClicktheCompletetoolguide.–Thiswillfinishtheoperationandcreatethemidsurface.–Thesolidwilltemporarilybetransparenttoallowyoutoseethesolid.–Thesolidwillautomaticallybehiddenaftercreatingthemidsurface.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,20128•Midsurface–OpenMidsurfacing2.scdocfile–SelecttheMidsurfacebutton.ThiswillallowyoutogenerateaMidsurfacebetweentwofacesonamodel.–TheMidsurfacetoolislocatedontheleftsideofthePreparetab.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,20129•SelectingFacePairs–Selecttheinsidefaceshown.–SpaceClaimwillnowfilterfacesthatcanmakeupafacepair.Selectonthefacebehindthefirstone.–Thiswilllocateallofthefaceswiththesamethickness,andcolorthebasesideblue,andtheoppositesidegreen.–Thesurfacewillbegeneratedfromthebluefaces.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,201210•SelectingAdditionalFacePairs–Thetopmosttoolguidewillstillbeselectedandallowyoutochooseanotherfacepair.–Selecttwooffsetfacesontheinnerribs.–Thiswillgeneratethefacepairsformostoftheinnerribbing.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,201211•FinishingSelection–Continuetoselectadditionaltabsuntilitappearssimilartotheimage.–Clickinwhitespacetocleartheselectionofthefacepairs.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,201212•UsingtheRangeoption–ChecktheUseRangeoptionintheoptionspanelontheleftsideofthescreen.Hereyoucansettheminimumandmaximumthicknessonapart.–Selectthesolidonscreen.–Allofthethicknessshouldbeautomaticallyidentifiedandassignedablueorgreenoffsetface.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,201213•SwapSides–Zoomintotheribsandnoticethatthelongribdoesnotkeepthesameoffsetontherightside.–ClicktheSwapsidestoolguide.–Clickanyfacetoswaptheoffsetcolorbetweengreenandblue.Dothissoalloftheribbinghasthecorrectoffsetononeside.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,201214•FinishingtheMidsurface–ClicktheCompletetoolguideontherightsideofthescreen.–NOTE:TheEnterkeyisashortcutforComplete.–Amidsurfacewillbegeneratedthroughthepart.Tohelpseeitmoreclearly,thesolidwilltemporarilybetransparentandthemidsurfacewillappearopaque.–Noticethesurfacesaregeneratedintheirowncomponentinthestructuretree.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,201215•CreateOptions–Animportantthingtolookatwhencreatingmidsurfaces,aretheoptionsonthelefthandsideofthescreen.–TheSelectOptionswilldetermineifyouareusingfacepairsorarangetodetectmidsurfaces.Additionallythethicknesstolerancewillhelpwhensplinefacesarenotexactlytrueoffsetsofeachother.–CreateOptionsdeterminesifthemidsurfacesareplacedintothesamecomponenttheyareextractedfrom,ortheactivecomponent.–Additionally,Groupmidsurfacesdeterminesiftheyareplacedintoacomponentornot.–Playwiththeseoptionstotesthowtheyareused.Oncedone,proceedwiththeclass.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,201216•InspectingtheMidsurface–Hidethesolidinthestructuretree.–Selectononeofthefaces.–Noticethatthereamidsurfacepropertyappliedthefaceinthepropertiespanel.ThisvaluewillbepassedtoANSYSandappliedtotheshellelement.–NOTE:TheExtendtoolinthePreparetabcanbeusedtohelpextendedgestonearbyfaces.MidsurfaceandBeam-Midsurface©2012ANSYS,Inc.November13,201217•WorkbenchIntegration–ClicktheANSYSWorkbenchbuttontola