Spaceclaim-Ansys-SCDM-145-L12cfd-Mixing-Tank

©2012ANSYS,Inc.November13,2012114.5ReleaseLecture12:ApplicationExample(MixingTank)IntroductiontoANSYSSpaceclaimDirectModeler(SCDM)©2012ANSYS,Inc.November13,20122Introduction•Background–Thisworkshopwillapplysketching,modellingandparameterisationtechniquestotheconstructionofamixingtankmodel.Themodelwillbepreparedforarotatingzonesimulationrequiringanon-conformalinterfaceseparatingthespinningbladeregionfromtheouterbody.©2012ANSYS,Inc.November13,20123ProjectStartup•CreateanewDesign–ApplicationMenu–New–Design•Changeunits–Makesurethatyourmodelunitsaremm–OpenSpaceClaimOptions–Units©2012ANSYS,Inc.November13,20124ProjectStartup•Display(Options)–Forbetterorientationwewillswitchontheglobalcoordinatesystemlocatedattheorigin–GototheDisplaytab.–ClickonShowDisplay(attherightend).–SwitchonWorldOrigin.–Noticethecoordinatesystemisnowdisplayedinthemiddleofyourscreen.©2012ANSYS,Inc.November13,20125SketchCreation•Changeview–GototheDesigntab.–IntheOrienttoolgroup,clickonthearrownexttothepurpleboxandselectFront(Noticethedesiredviewpop-upasshown).•ChangetoSketchMode–GotoModegroup(twofieldstotheright)andselectSketchMode.©2012ANSYS,Inc.November13,20126SketchCreation•CreateaMirrorLine–ClicktheConstructionLinetoolintheSketchgroup.–CreateaConstructionlinefromtheorigintoapointintheshownregionusingtheleftmousebutton.–UsetheTABkeyonyourkeyboardtoswitchbetweenangleandlength,typein110°and40mm.–Rightmousebuttonclickonthatlinewillstartthecontextmenu.ConvertthatlineintoaMirrorLinebyselectingSetasMirrorline.©2012ANSYS,Inc.November13,20127•CreateaLineperpendiculartotheMirrorLine–CreateaLinefromtheorigintoapointintheshownregion,usingtheTABkeyonyourkeyboardtoswitchbetweenangleandlength,typein90°and40mm.–Note:Createdautomaticallyisalineontheothersideofthemirrorlineasshowninthefigure.IntheStructuretree,underCurves,wehaveaConstructionlineandtwoLines.SketchCreation©2012ANSYS,Inc.November13,20128•ExtrudeLinetoCreateaSurface–NowwewanttousethePullOptionintheEditgrouptocreateaSurfacefromthecreatedlines.ClickthePullicon.–SelectbothlinecurvescreatedearlierusingCtrlandleftmousebutton.–DragthelinedownwardandusetheSpacekeytoopenthefieldentryandtypeintheexactvalueforthethickness=150mm.–Note:Inthestructuretree,wenowhaveasurfaceandaconstructionline.Extrusion©2012ANSYS,Inc.November13,20129•ExtrudeSurfacetoCreateSolid–NowwewanttocreateasolidfromthecreatedSurface.–UsethePullOptionagainandselecttheSurface.PullthesurfaceandusetheSpacekeytoswitchtoopenthefieldentryandtypeintheexactvalueforthethickness=2mm.–Note:WenowhaveasolidasshownintheStructuretree.Extrusion©2012ANSYS,Inc.November13,201210•CreateRoundsusingEdgePulltool–UsethePullOptiontocreaterounds.–SelectthetwoshownedgeswiththeleftmousebuttonwhilstholdingtheCtrlbutton.Againusethespacekeytoopenthefieldentryandtypeintheexactvaluefortherounding=25mm.Extrusion©2012ANSYS,Inc.November13,201211•CreateaCircularPattern–InordertocreateaPatternwehavetoselectarotationaxisandthedesiredsolid.–CreatetherotationaxisbyselectingtheaxismenuintheInsertgroupmenuandthey-directionofourorigincoordinatesystem.NoticeanewAxisobjectiscreatedintheStructuretree.Pattern©2012ANSYS,Inc.November13,201212•CircularPatternCreation–Selectthesolidinthemodelorthetreeattheleft-handside.–Selecttheaxisinthesameway.–Enterthenumberofcircularcounts=5inthePatternsOptionsfield.Pattern©2012ANSYS,Inc.November13,201213•CircularpatternCreation–AcceptbyclickingonthegreenarrowiconorpressEnter.Pattern©2012ANSYS,Inc.November13,201214•Movepattern–SelectpatterninthestructuretreeandusetheMovetooltomoveitiny-direction.–Selectthegreenaxis(y-direction),andthenpressthespacekeytoopenthefieldentryandtypeintheexactvalueof25mm.–Noticeallthepatternobjectsmoveup25mm.Pattern©2012ANSYS,Inc.November13,201215•Cylinder–Therearetwowaystocreatecylinders:•ThefirstisusingtheCylindertoollocatedintheInsertgroupmenu,basedonthelengthalongthecentrelineandadiameter.•Thesecondisusingasketchedcirclewithanextrudedlengthorthickness.–Wewillusethefirstoptiontocreateacylinder.SelectthecylindertoolintheInsertgroupmenu,stillinthedesignTab.–PicktheoriginwithLMB.Snaptheendpointsomewhereonthemidline.UsetheSpacekeytoopenthevaluefieldandTabtoswitchbetweenDiameter=150mmandlength=50mmofthecylinder.Cylinder/s©2012ANSYS,Inc.November13,201216•AdaptingCylindersdimensions–Incaseyoucannotholdtheexactdimensions,usethePulltoolforlateradaption.NoticethatyoufindaRulernearyourpullarroworattheleftsideintheOptionsmenu,toreferencethelengthtoaparallelsurfaceoredge.Cylinder/s©2012ANSYS,Inc.November13,201217•Createtheshaft–SelectthecylinderfunctionintheInsertgroupmenu.–PicktheoriginwithLMB.–Snaptheendpointsomewhereonthemidline.–TheSpacekeyopensthevaluefieldandTabswitchesbetweenDiameter=15andlength=550ofthecylinder.Cylinder/s©2012ANSYS,Inc.November13,201218•Thiscompletesthemixingbladeassembly.Review©2012ANSYS,Inc.November13,201219•Planning–Wewillnowcreatetheouterbodyofthetankusingaprimitivecylinderandapplyingroundstotheupperandloweredges.–Tocreatethefluiddomainthebladeassemblywillidentifyintersectionsandremovethem.PreparationPrimi