Icepak基础培训教材PPT课件.ppt

IcepakBasicTraining Trainingschedule Day1 Trainingschedule Day2 Trainingschedule Day3 Overview FluentInc missionistoprovideflowandthermalanalysissoftwareandservicesthatgiveourcustomersasignificantcompetitiveadvantagebydramaticallyimprovingtheirdesignsanddesignprocesses FluentInc Woldwide FLUENT6GeneralpurposefinitevolumebasedCFDpackagesuitableforincompressible compressibleandlaminar turbulentflows includingreactingflowsandmultiphaseflowsFIDAPGeneralpurposefiniteelementbasedCFDpackagesuitableforincompressiblelaminar turbulentflowsinvolvingNewtonian Non Newtonianfluids freesurfacesandfluid structureinteractionPOLYFLOWFiniteelementbasedCFDpackagesuitableformodelinghighlyviscousflows asinrheology andsurfaceflowsMixSimSpecializedCFDsoftwareformodelingmixingprocessesIcepakSpecializedCFDsoftwaredesignedforthermalmanagementofelectronicpackagesAirpakSpecializedCFDsoftwaredesignedforthermalmanagementofelectronicpackages CFDsoftwaresfromFluentInc Icepakisanobject basedmodelingsoftwareItallowsyoutobuildyourmodelfrom primitiveobjectssuchasblocks plates fans vents resistances etc orMacrossuchasICpackages PCBs radialheatsinks detailedfantrays etc Icepak Object basedSoftware Steady transientproblemsLaminar turbulentflowsForced natural mixedconvectionMulti fluidproblemsInternal externalflowsConjugateheattransferRadiationheattransferFixed moving symmetryB C sTemperaturedependentproperties Icepak scapabilities Icepak scapabilities PowerfulgridgeneratorcapableofUnstructuredconformalmeshStructuredmeshNon conformalunstructuredmesh MixedunitsUserdefinedlibraryofassembliesFileimportsfromMCADandECADpackagesDirectProE IcepakinterfaceAdvancedpost processingandreporting SolutionfeaturessuchasParameterizationParallelprocessingGrid to gridinterpolationZoom in modeling GETTINGSTARTED Topics HowtostartIcepakIcepakGraphicUserInterface GUI StartinganewprojectOpeninganexistingprojectIcepakfilestructure job model problemfilesListofIcepakmenus StartingIcepak Windows Usethe Icepak4 0 desktopshortcut orClickonStart Programs Fluent Inc Icepak4 0 UNIX Typeicepakfromsystemprompt NewIcepaksession Icepakstarts Projectselectionwindowopensbydefault Promptsusertostart ExistingIcepakprojectorNewIcepakprojectorQuitIcepakUnpackanIcepakjobfromacompressed tzrfile Openinganewproject SelectingNewintheNew ExistingwindowopenstheNewprojectwindow Openinganexistingproject SelectingExistingintheNew ExistingwindowopenstheOpenprojectwindow EveryIcepakprojectisaDirectorycontainingprojectfilesProjectname DirectorynameFilesarerelatedto Problemsetup JOB MODEL PROBLEMfilesGridSolutionPost processing ReportingJob ModelandProblemfilesareneededtobeabletofullyreproducetheproject Icepakfilestructure Unpacking Packingaproject SelectingUnpackintheNew ExistingwindowopenstheFileselectionwindow Icepakprojectdirectorycanbecompressedto tzrformatOnlythejob modelandproblemfileswillgetcompressedTocompressgotoFile PackTouncompressthecompressedprojectgotoFile Unpack ListofIcepakmenus TheIcepakinterfacecontainsthefollowingmenus File Opennew existingprojects deletefiles CADimports pack unpackprojects save saveasEdit Editcurrentobject group alignment undo redoView Visibilityofobjects geometricmeasurementsOrient Orientation zoom in userdefinedviewsModel Gridgeneration CADimport Radiation PrioritiesTree ControloveramodeltreeMacros AddnewmacrotothemodelfromthemacrolibrarySolve Solve solutionmonitor definetrials definereportsPost Graphicresults unitdefinitionsforpostprocessingReport TextualresultsWindows ListofwindowsthatareopenHelp IcepakInterface Topics IcepakgraphicuserinterfaceIntroductiontoIcepakobjectsModeltoolbarShortcutstoolbarModeltreeMousefunctionsModelorientationInteractiveeditingtools IcepakGUImap IcepakGUI IcepakGUI Definitions Projectlabel NameandsolutionversionoftheprojectloadedintoIcepakMainmenu AllIcepakfunctionscanbeaccessedwithpulldownmenusModeltoolbar Iconsto createobjects editobjects alignmentfeaturesShortcutstoolbar IconsforcommonlyusedfunctionsGraphicdisplayarea GDA ImageofthemodelisdisplayedMessageswindow Icepak talks totheuserherethroughtextmessages examples currentstateofIcepak meshquality somepostprocessreportsCurrentobjectgeometry COG GeometricinformationofselectedobjectModeltree Listofallobjectsthatconstitutetheprojectmodel libraries settingsforproblem solverandgeneraloptionsGlobalcoordinateaxes Axes ShowstheorientationofthemodelinGDANOTE Placethemouseonaniconforabubblemessagedescriptionoftheicon IntroductiontoIcepakobjects IcepakObjectsareentitiesusedtobuildyourmodel Examplesofobjectsinamodel TheObjectTypesareshowninbold Modeltoolbar Createobjects IcepakhastwoObjectTypes SimpleandCompositeEveryTypehasauniqueiconintheupperhalfofModelToolbar Icepakobjecttypeicons Tocreateanewobject clickthecorrespondingobjecttypeicon Modeltoolbar Editandalignfunctions BottomhalfofModelToolbarcontainseditingandaligningicons Icepakedit alignicons Tocreateanewobject clickthecorrespondingobjecttypeicon ShortcutsToolbar Flipview ModelTree Introduction ThetopsectionofthemodeltreecontainsconfigurationparametersProblemdefinitionSolversettingsOptions graphics units etc ThebottomsectioncontainsTrashbinTheinactivebinThephysicalmodelbranch containingallobjectsthatmakeupthemodel Themid sectioncontainsDefaultanduserdefinedlibrariesAccesstogroups collectionofobjectsputtogetherasaunitPostprocessedgraphicobjectsSolutionmonitorpoints Thebottomsectionisdescribedinthefollowingpages Theothersectionsarecoveredlaterinmoredetail ModelTree Physicalmodelbranch IftheModelbranchisclosed onlythecabinet CFDdomain isvisible toggleforopeningorclosingabranch IftheModelbranchisopenbutnoobjectisselected allobjectsarevisibleingrey ModelTree Physicalmodelbranch Ifanyobjectisselected bluehighlight allobjectsarevisibleindefault orspecified colors Theselectedobjectisdrawninboldlines Anassemblytypeobject likethe Power Supply inthisexample isacollectionofobjectscombinedintoasinglecompoundobject Assemblysub branchesareexpandableliketheModelbranchWhenanassembly scomponentisselected theassemblyisvisibleindefaultobjectcolorsbuttherestofthemodelisshowningray ModelTree Inactive trashbranches Fromthetree selectoneobjectwiththemouseormultipleobjectsusingCtrlkey mouseDragtheobjectstotheInactivebranchortheTrashbranchObjectsputintotheInactivebranchareremovedfromthemodelbut shelved intotheInactivebranch dragbackintotheModelbranchtomaketheobjectactiveagainEmptyTrashtopermanentlydeletemodelobjects postobjectsaredeletedwhendraggesintotrash MouseFunctions MouseFunctions Mousebindings IntheModelTree expandtheOptionsbranchtoaccesstheMouseBindings DoubleclicktoopentheMouseBindingsandmakenecessarychanges ModelOrientation Menuandicons Orientpulldownmenuwith14options ModelOrientation Fixedaxesviews Meaningoforientpositivex OrientsuchthatthepositiveXaxispointsnormallyintothescreen similarly orientnegativeXandsoon OrientpositiveX IsometricView OrientnegativeY OrientpositiveZ ModelOrientation Usingthemouse Theorientationshowninthefigureabovewasobtainedbymousemovements left rotation middle lateral right zoom in ModelOrientation Zoom un zoom Zoomin dragaboxaroundtheregion objectsthatneedtobezoomedinto Scaletofit resizestheviewsuchthatthecabinetcompletelyfitsinthegraphicsdisplayarea currentorientationisretained Homeposition isequvalenttoorientnegativezandscaletofit isthedefaultviewwhenanewmodelisstarted ScaletoFit ModelOrientation Otheroptions Reverseorientation horizontallyflipstheorientation mirrorimage Nearestaxis changestothefixedorientationclosesttocurrentorientation usefulwhenorientationischangedusingthemouse Saveuserview savescurrentorientationunderthespecifiednameinthequeryboxClearuserviews deletesalluserviews NearestAxis ModelOrientation Shortcuticons Homeposition Zoomin Scaletofit Singledisplay Partitioneddisplay Display hideobjectnames Interactivetools Viewmenu Viewmenucontainsseveralusefultoolsfor GeometricmeasurementsViewoptionsGeometricmeasurements Location displaypoint coordsinmessageswindowDistance displaydx dy dzanddistancebetweenselectedpoints inthemessageswindowAngle displayanglebetweenvectorsdefinedby3points inthemessageswindowMarkers graphicversionofLocationfunctionRubberbands graphicversionofdistancefunction Pointsshouldbeselectedwiththemousefollowingscreeninstructions Rubberband Interactivetools Viewmenu Viewoptions Interactivetools Viewmenu Viewoptions continued Tracksmouse Snapto grid notmesh Interactivetools Interactiveeditingform RecapmousefunctionsfortranslatingandresizingobjectsThisformcontrolshowthesemovementsareappliedMotionallowed movementsonlyincheckeddirectionsRestricttocabinetObjectscannotpenetrateeachotherMovegroupwithobjects Defaultmousetranslate resizehascontinuousmovementinsteadof grid digitized Specify snapto gridsizeforXgrid Ygrid Zgrid mousemovementwillnowbe grid digitized Cansnaptogridifthegridismadevisiblethroughmainmenu View Display Visiblegrid Newobjectsizefactor ratioofnewobjectdimensiontocorrespondingcabinetdimension defaultis0 2 newobjectwillbecentered ModelBuilding Geometry Topics ObjectShapesinIcepakEditingfunctionsAlignmentfunctionsUnits ShapesinIcepak Shapesofsimpleobjects 3DshapesPrismCylinder uniform non uniformPolygon uniform non uniformBlockscanbeEllipsoid EllipticalCylinder 2DshapesRectangularCircularInclinedrectangularPolygon Plates Openings Grilles Walls Fans Sources Blocks Resistances HeatExch ShapesinIcepak Alteringgeometriesofobjects Theshape position sizeandorientationofanobjectmaybemodified UsingtheCurrentObjectGeometry COG windowlocatedatthebottomrighthandcorneroftheGUIUsingthecurrentobject seditform geometrysectionGeometryofanobjectincludes Shape PositionandSizeLocalCo ordinatesOrientationif2 D ShapesinIcepak Objectgeometrywindow Currentobject sgeometricdetailsaredisplayedinthebottomrighthandcorneroftheGUIClickonApplyorEnterthekeyboardaftermakingchanges Currentobject ShapesinIcepak Objectgeometrywindow Name GroupandShape Coordinatesmaybeenteredbystart endorstart length Optionsto Applychanges Resettodefaults orEditobjectform ShapesinIcepak Optionsfor2Dshapes Rectangular Inclined Canalsobedefinedbystart angle Changeangledirection Positiondefinedbyco ordinatesoftwopointsonthediagonal ShapesinIcepak Optionsfor2Dshapes Polygonal Circular Optionstoincrease decreasenumberofvertices Selectvertexlocationwithmouse Selectoptionsformouse Fanscanalsohaveaninnerradiusforthehub ShapesinIcepak Optionsfor3Dshapes Prisms RegularPrism Polygons Uniform highandlowfaceidentical Polygons Non Uniform highandlowfacenotidentical Topandbottomfacescanhavedifferentnumberofvertices butmustbeparallel Samevertexoptionsasfor2D polygonalobjects ShapesinIcepak Optionsfor3Dshapes cylinders UniformCylinder noinnerradius UniformCylinder withinnerradius Non UniformCylinder withinnerradii InnerRadiussettomodelannulus OuterandInnerRadiiontopandbottomofcylindercanbedifferent ObjectModification EditingObjects OpensuptheEditpanelfortheselectedobject Placestheselectedobject s inthetrashcan OpensuptheMovepanelfortheselectedobject s Fromthemovepanel youcanScaleMirrorRotateTranslate OpensuptheCopypanelfortheselectedobject s Youcangroupthecopies andalsohavesamefunctionalityasmoveavailabletoyou ObjectAlignment Icons AlignFace 1DimensionalignedPlaneofFaceMatchedAlignEdge 2DimensionsalignedPlanesofEdgeMatchedAlignVertex 3DimensionsalignedCentreObject BasedonCentroidCentreObject BasedonFaceCentreMatchFace 2DimensionsMatchedMatchEdge 1DimensionMatched TherearetwooptionsLeftClickonIconObjectgetsre sizedduringalignmentRightClickonIconObjectsizeispreserved objectismovedduringalignmentCanalsouseedit alignmenttoolsinsteadoficons ObjectAlignment Icons ObjectAlignment Icons ThealignmenttoolsallworkinthesamewayClickonIconorselectfrommenuChoosetheface edge vertexthatyouwanttochangewiththeLEFTMOUSEBUTTONTheselectionwillbehighlighted ifthewrongonewasselected thenjustclickagainandIcepakwillselectthenextface edge vertexOnceyouhavethecorrectselectionuseMIDDLEMOUSEBUTTONThenselecttheface edge vertexwithwhichtoalign matchusingtheLEFTMOUSEBUTTONUponcorrectselectionacceptwiththeMIDDLEMOUSEBUTTONInstructionsfortheabovestepsaregiveninredinthebottomlefthandcornerofthedisplayareaAtanypointyoucancanceltheoperationwiththeRIGHTMOUSEBUTTON ObjectAlignment Coordinatesnapping UsingCo ordinatealignment Nexttotheco ordinatesofthegeometryintheCOGthereareoptionstosnapthatco ordinatetoanexistingpointonanedgeinthemodel Co ordinatescanbe Start xS yS zS End xE yE zE Length xL yL zL Centre xC yC zC Vertex ToUse Clickonthe Orange panelforaco ordinate andthenwiththemouseclickonapointinthemodel Icepakwillthensetthatco ordinatevaluetothepositionselected EditingObjects theEditForm Thecurrentobject seditformcanbeopenedinthefollowingwaysDoubleclickingtheobjectinthetreeRightclickingtheobjectinthetreeandselecting Editobject fromthepulldownmenuSelecttheobjectinthetreeandclickthe Openeditform iconintheverticalModelToolbarFromthemainmenu picking Edit Currentobject Edit Usingthekeyboardshort cutctrl lowercasee 4Sub forms OptionsCommontoAllSub Forms EditingObjects GeometrySub Form Containsallgeometricinformation ShapeLocalCo ordinatesystem ifany OrientationLocation Createnewlocalorigin Checklocalorigin Editalocalorigin Selectlocaloriginfromexistingones PullDownMenu EditingObjects PropertiesSub Form Containsallflow thermalproperties Objecttype eg ThermalmodelBlockType Thisareacontains Solid FluidandsurfacematerialspecificationBoundaryconditions flowrates powergeneration temperatureSidespecificationAnyadditionalinformationrequiredtoimplementtheselectedobjecttype eg thickness EditingObjects InfoandNotesSub Forms NotesAnyrelevantadditionalinformationusermaywanttoadd InfoNameCreationPriorityShadingetc Units PhysicalquantitiescanbespecifiedinvariousdifferentunitsExamples Length Temperature Flowrate Conductivity Power Units GlobalUnits Everyquantity length mass etc inIcepakhasadefaultglobalunitTochangetheglobalunitforaquantitygoundertheModelTree Options UnitDefinitionsandfollowthestepsshownbelow UnitsofaquantitymaybechangedatanytimeduringmodelbuildingWhenglobalunitsarechanged thenewunitsareappliedtonewobjectscreatedafterthechange existingobjectswillcontinuetousethepreviousunits Units ObjectSpecificUnits ModelBuilding IcepakObjects Topics SimpleObjects NoflowobjectsCabinet default WallsBlocksPlatesSources FlowobjectsOpeningsGrilleVolumetricResistances2D FansHeatExchangers MaterialsSolidFluidSurface CompositeObjects 3D FansEnclosuresPCBsAssemblies HeatSinksPackagesNetworks CreatingNewObjects WaystocreateandpositionobjectsinIcepakClickonobjecticonandeditit orusethealignmenttoolstocreateitDragtheobjecticonintographicsdisplayareaIfusingthisoption itissensibletoseta snap gridinOptions Interactivemenutoensurethatre location positioningislimitedtothesnapgrid Forexampleyoumaysetthesnapto1mmthenpositionislimitedtonearestmmChangeobjecttypeetc TochangepropertiesofanobjectSelecttheobjectEnterchangesintheobjecteditformdiscussedintheprevioussection Definesthecomputationaldomain itisalwayscuboidalshapeExistsbydefaultwhenanewmodelisstartedDefaultdimensions 1x1x1m3 orequivalentinotherunits Defaultfornewobjects theywillbe1 5ththecabinetsizeandcenteredNoobjectmaywhollyorpartlyexistoutsidethecabinet awarningmessagewillprompttheuserforanactionasinthefigurebelow Undotheoperationthatcausedtheobjecttogooutofcabinet Objectcanremainoutsidetemporarily butthismessagewillreappear AutoscalebuttoninthecabinetformorCOGresizesthecabinettojustfitallobjectsinthemodelScaling movingthecabinetusingthemoveformscales movestheentiremodel Cabinet Cabinet Properties Defaultcabinetproperties WallsareadiabaticWallshavezerovelocity Overcometheseconstraintsbyplacingfollowingobjectsoncabinetsides walls energytransferonlyopenings ventsandfans flowandenergytransferThecabinetformletsyouimposeanyoftheseobjectsontheentireside s ofthecabinet theseobjectswillautomaticallyresizewhenthecabinetsizeischanged Walls CanonlybeplacedoncabinetsidesoronfacesofhollowblocksInnersideofwallsseethefluid whileoutersidesfacetheexteriorconditions ThreeTypes StationarySymmetryMoving WallthicknessmayberealoreffectiveExternalmaterialisalwaysspecifiedSolidandinternalsurfacearespecifiedonlyforwallswiththickness Solidmaterial Surfacematerials DefaultIcon Defaultcolor Grey Walls Thermaldata DefaultIcon Defaultcolor Grey Stationarywalls mayhaveheattransferspecificationtotheoutsideOutsideheatfluxOutsidetemperatureExternalconditions heattransfercoefficient Symmetrywalls reducemodelsizewhenthemodelissymmetricaboutaplaneAdiabaticandFrictionlessZerofluxandflowthroughwall Canspecifyspatiallyvaryingprofile Movingwalls accountformotionintheplaneofthewallThermalinputsofstationarywallsWallvelocityvector Blocks DefaultIcon Defaultcolor Pink CanbemeshedwitheitherMesher MustbemeshedwithTetrahedral Mesher Blocks Thermalmodels DefaultIcon Defaultcolor Pink 4ThermalModels HollowblocksNomeshwithintheblock noequationssolvedinsidehollowblockNoheatconductionintheplanardirectionalongthesidesoftheblock HollowPolygonblocksusedtomodifydomain Usesofhollowblocks MaskoffregionsofthedomainSimplifiedrepresentationofmodules Blocks Thermalmodels DefaultIcon Defaultcolor Pink SolidblocksVersatileuses canbeusedforalmostanysolidcomponentOpenings fans ventswillcutthroughsolidblocksiftheirdimensionsaresmallerthantheblockFluidblocks usesMulti fluidmodelsCarveoutportionsfromsolidblocksNetworkblocksHollowblockwiththermalresistancenetworkinsidetheblock4Typesofnetworks Tworesistor Star ShuntandGeneral NetworkvaluesvisibleuponselectingblockUsesofnetworkblocks Simplifiedrepresentationofpackages prismaticcomponentswithheatgeneration Blocks Thermaldata DefaultIcon Defaultcolor Pink Surfacedata allblocktypesRadiationDiscussedLaterIndividualSideSpecificationsThermalProperties TotalPower FluxorFixedTemperatureHeattransfercoefficienttomodelconductanceperunitareacontactresistanceRadiationspecificationforaside Blocks Thermaldata DefaultIcon Defaultcolor Pink Thermaldata SolidandfluidblocksMaterialspecificationTotalpower uniformthroughthevolumePoweroptions temperaturedependence Jouleheating transientpowerNote Inmulti fluidproblems fluidblocksmustnothaveacommoninterfaceNetwor