ANSYS-Workbench基础教程

Chapter1Introduction,Welcome!,WelcometotheANSYSMechanicalapplicationintroductorytrainingcourse!ThistrainingcoursecoversthebasicsofusingANSYSMechanicalinperformingstructuralandthermalanalyses.ItisintendedforallneworoccasionalANSYSMechanicalusers,regardlessoftheCADsoftwareused.CourseObjectives:Generalunderstandingoftheuserinterface,asrelatedtogeometryimport,meshing,applicationofloadsandsupports,andpostprocessingProcedureforperformingFEAsimulations,includinglinearstatic,modal,andharmonicstructuralanalysesandnonlinearsteady-statethermalanalysesUtilizingparametersforwhat-ifscenariosInterfacingwiththeANSYSsolverformoreadvancedfunctionalityTrainingCoursesarealsoavailablecoveringtheuseofotherWorkbenchmodules(e.g.DesignModeler,DesignExploration,etc.).,Agenda(Day1),9:0010:00LectureIntroduction10:0011:30LectureChapter2:MechanicalBasics11:3012:00Workshop2.1ANSYSMechanicalBasics12:001:00Lunch1:001:45LectureChapter3:GeneralPreprocessing1:452:15Workshop3.1ContactControl2:153:15LectureChapter3:GeneralPreprocessing(cont.)3:153:45Workshop3.2MeshingControl3:455:00LectureChapter4:StaticStructuralAnalysis,Agenda(Day2),9:009:30Workshop4.1LinearStructuralAnalysis9:3010:00LectureChapter4:StaticStructuralAnalysis10:0010:30Workshop4.22DStructuralAnalysis10:3011:00LectureChapter5:VibrationAnalysis11:0011:15Workshop5.1FreeVibrationAnalysis11:1511:30Workshop5.2Pre-StressedVibrationAnalysis11:3012:00LectureChapter6:ThermalAnalysis12:001:00Lunch1:001:30Workshop6.1SteadyStateThermalAnalysis1:302:00LectureChapter7:LinearBucklingAnalysis2:002:30Workshop7.1LinearBucklingAnalysis2:303:30LectureChapter8:ResultsPost-processing3:304:00Workshop8.1ResultsProcessing4:004:30LectureChapter9:CAD&Parameters4:305:00Workshop9.1ParameterManagement,CourseMaterials,TheTrainingManualyouhaveisanexactcopyoftheslides.WorkshopdescriptionsandinstructionsareincludedintheWorkshopSupplement.CopiesoftheworkshopfilesareavailableontheANSYSCustomerPortal().Advancedtrainingcoursesareavailableonspecifictopics.ScheduleavailableontheANSYSwebpage,A.AboutANSYS,Inc.,ANSYS,Inc.DeveloperofANSYSfamilyofproductsGlobalHeadquartersinCanonsburg,PA-USA(southofPittsburgh)DevelopmentandsalesofficesinU.S.andaroundtheworldPubliclytradedonNASDAQstockexchangeunder“ANSS”F,ANSYSFamilyofProducts,ANSYS,Inc.FamilyofProductsincludethefollowing:ANSYSWorkbenchCompleteenvironmentforsimulationandmodelingneeds.ANSYSCFDState-of-the-artCFDsolvers,includingCFXandFLUENT.ANSYSAUTODYNExplicitdynamicsolverfortransientnon-linearsimulationsinvolvinglargedeformationsandstrains,non-linearmaterialbehavior,non-linearbuckling,complexcontact,fragmentation,andshockwavepropagation.ANSYSLS-DYNALSTCsLS-DYNAexplicitdynamicsolvertechnologywiththepre-/post-processingpowerofANSYSsoftware.Thispowerfulpairingcanbeusedtosimulatecrashtests,metalforging,stamping,andcatastrophicfailures.ANSYSICEMCFDPowerfulmeshingtoolswithgeneralpre-andpost-processingfeatures.,B.ANSYSWorkbenchOverview,WhatisANSYSWorkbench?ANSYSWorkbenchprovidespowerfulmethodsforinteractingwiththeANSYSfamilyofsolvers.ThisenvironmentprovidesauniqueintegrationwithCADsystems,andyourdesignprocess.ANSYSWorkbenchiscomprisedofvariousapplications(someexamples):MechanicalforperformingstructuralandthermalanalysesusingtheANSYSsolverMeshingisalsoincludedwithintheMechanicalapplicationMechanicalAPDLforperformingadvancedmechanicalandmultiphysicsanalysesusingthetraditionalANSYSuserinterface.FluidFlow(CFX)forperformingCFDanalysesusingCFXFluidFlow(FLUENT)forperformingCFDanalysesusingFLUENTGeometry(DesignModeler)forcreatingandmodifyingCADgeometrytopreparethesolidmodelforuseinMechanical.EngineeringDatafordefiningmaterialpropertiesMeshingApplicationforgeneratingCFDandExplicitDynamicsmeshesDesignExplorationforoptimizationanalysesFiniteElementModeler(FEModeler)fortranslatingaNASTRANandABAQUSmeshforuseinANSYSBladeGen(BladeGeometry)forcreatingbladegeometryExplicitDynamicsforexplicitdynamicssimulationsfeaturingmodelingofnonlineardynamics,ANSYSWorkbenchOverview,TheWorkbenchenvironmentsupportstwotypesofapplications:Nativeapplications(workspaces):CurrentnativeapplicationsareProjectSchematic,EngineeringDataandDesignExploration.NativeapplicationsarelaunchedandrunentirelyintheWorkbenchwindow.DataIntegratedApplications:currentapplicationsincludeMechanical,MechanicalAPDL,Fluent,CFX,AUTODYNandothers.,NativeApplication,DataIntegratedApplication,C.ANSYSMechanicalOverview,AnalysistypesavailableinMechanical:Structural(staticandtransient):Linearandnonlinearstructuralanalyses.DynamicCapabilities:modal,harmonic,randomvibration,flexibleandrigiddynamics.HeatTransfer(steadystateandtransient):Solvefortemperaturefieldandheatflux.Temperature-dependentconductivity,convectionandmaterialsallowed.Magnetostatic:Toperform3-DstaticmagneticfieldanalysisShapeOptimization:IndicatesareasofpossiblevolumereductionusingTopologicalOptimizationtechnology.,Note,theactiveANSYSlicensedictateswhatfunctionalityisavailabletotheuser.NotallfeatureslistedarecoveredinthisIntroductorycourse.,ProductConfiguration,MechanicalApplicationTheenvironmentforsimulationautomationandeaseofusecombinedwiththefullpoweroftheANSYSsolvertechnology.FormerlycalledSimulationMechanicalAPDLApplicationTheuserinterfaceenvironmentthatemphasizesaccesstocommands,customizationandscripting.FormerlycalledtheANSYSPREP7/POST1interface,ProductConfiguration,TypesoflicensesavailableforMechanical:VariousANSYSlicensingconfigurationsareavailable.ThelicensechosenwilldictatewhatfeaturesandcapabilitiesareavailableintheMechanicalapplication.Licensemanagementallowslicensesharingwhenmultipleinstancesofaparticularapplicationareopen.(OtherANSYSlicensesaresupportedformeshingonly),ProductConfiguration,Add-onlicensesforMechanical:RigidandFlexibleDynamics(oneadd-onlicense)FatigueModule12.0WorkbenchproductsareavailableforWindowsandLinuxoperatingsystems.Note,Linuxwillbesupportedstartingatthe12.1ReleaseChecktheANSYSwebsiteoronlinedocumentationforthelatestcompatibilities.NetworklicensingcapabilitiesareusedforallANSYSandANSYSWorkbenchproducts.,D.StartingMechanical,TherearetwomethodsoflaunchingWorkbench:FromtheWindowsstartmenu:FromtheCADsystem,E.TheWorkbenchEnvironment,FormostsituationstheWorkbenchGUIisdividedinto2primarysections(thereareotheroptionalsectionswellseeinamoment):,TheToolbox,Thetoolboxcontains4subgroups:Analysissystems:predefinedtemplatesthatcanbeplacedintheschematic.Componentsystems:variousapplicationsthatcanbeaccessedtobuild,orexpand,analysissystems.CustomSystems:predefinedanalysissystemsforcoupledapplications(FSI,thermal-stress,etc.).Userscanalsocreatetheirownpredefinedsystems.DesignExploration:Parametricmanagementandoptimizationtools.,.TheToolbox,Thesystemsandcomponentsdisplayedinthetoolboxwilldependontheinstalledproducts.Usingthecheckboxesinthe“ViewAll/Customize”window,theitemsdisplayedinthetoolboxcanbetoggledonoroff.Thetoolboxcustomizationwindowisnormallyleftclosedwhennotinuse.,TheProjectSchematic,TheWorkbenchprojectschematicisagraphicalrepresentationoftheworkflowdefiningasystemorgroupofsystems.Theworkflowintheprojectschematicisalwayslefttoright.TherearecurrentlyseveralapplicationswhicharenativetoWorkbench,meaningtheyrunentirelyintheWorkbenchwindow:ProjectSchematic,EngineeringDataandDesignExplorationNon-nativeapplications(calleddata-integrated)runintheirownwindow:Mechanical(formerlySimulation),MechanicalAPDL(formerlyANSYS),ANSYSFluent,ANSYSCFX,Etc.BlocksofcellscanbedeletedbyRMBontheblockheadercellthatisshadedinblue.,.TheProjectSchematic,InthisexampleaStaticStructuralanalysistypeisselectedfortheprojectschematic.Fromthetoolboxtheselectioncanbedraggedanddroppedontotheschematicorsimplydoubleclicked.,.TheProjectSchematic,Bydroppingapplicationsand/orsystemsintovariouslocationsintheschematic,anoverallanalysisprojectisdefined.“Connectors”indicatethelevelofcollaborationbetweensystems.IntheexamplebelowastructuralsystemisdraggedanddroppedontoathermalsystemattheModelcell(A4).Beforecompletingtheoperationnoticethereareanumberofoptional“droptargets”thatwillprovidevarioustypesoflinkagebetweensystems(continuednextpage).,.TheProjectSchematic,Bycompletingtheoperationfromthepreviouspage,noticethelinkagehereisonlyattheModellevelandabove.Inthiscasetherewouldbenothermal/structuralcoupling.Noticetooeachsystemblockisgivenandalphabeticdesignation(A,B,C,etc.).,.TheProjectSchematic,Bydroppingthestructuralsystematthe“Solution”levelweobtainastructuralsystemthatiscoupledtothethermalsolution.,Notice,thecandidate“droptarget”indicatesdatawillbesharedfromfieldsA2toA4,andtransferredfromA6.,.TheProjectSchematic,AschematiccanalsobeconstructedbyRMBandchoosingto“TransferDataToNew”or“TransferDataFromNew”.InusingthisRMBtransferfeaturealltransferpossibilities(upstreamanddownstream)aredisplayed.Theseselectionswillvarydependingonwhichcellinaparticularsystemyouhighlight.,.TheProjectSchematic,Identifyingcellstates:Unfulfilled:missingupstreamdata.Attentionrequired:mayneedtocorrectthisorupstreamcells.Refreshrequired:upstreamdatahaschanged.Needtorefreshcell(updatewillalsorefreshthecell).Updaterequired:thedatahaschangedandtheoutputofthecellmustberegenerated.Uptodate.Inputchangespending:cellislocallyuptodatebutmaychangewhenthenextupdateisperformedduetoupstreamchanges.,OptionalWorkbenchWindows,The“View”menu(andRMB)allowsadditionalinformationtobedisplayedintheWorkbenchenvironment.Below,thegeometryishighlightedandthepropertiesaredisplayed.,F.WorkbenchFileManagement,Workbenchcreatesaprojectfileandaseriesofsubdirectoriestomanageallassociatedfiles.UsersshouldallowWorkbenchtomanagethecontentofthesedirectories.PleasedoNOTmanuallymodifythecontentorstructureoftheprojectdirectories.Whenaprojectissavedaprojectfileiscreated(.wbpj),usingtheuserspecifiedfilename(e.g.MyFile.wbpj).Aprojectdirectorywillbecreatedusingtheprojectname.IntheaboveexamplethedirectorywouldbeMyFile_files.Anumberofsubdirectorieswillbecreatedintheprojectdirectory(explainednext).,.WorkbenchFileManagement,DirectoryStructure:dpn:thisisthedesignpointdirectory.Thisessentiallyisthestateofallparametersforaparticularanalysis.Inthecaseofasingleanalysistherewillbeonlyone“dp0”directory.global:containssubdirectoriesforeachapplicationintheanalysis.Intheexampleatrightthe“Mech”directorywillcontainthedatabase,andotherassociatedfilesfromtheMechanicalapplication.SYS:the“SYS”directorywillcontainsubdirectoriesforeachsystemtypeintheproject(e.g.Mechanical,Fluent,CFX,etc.).Eachsystemsubdirectorycontainssolverspecificfiles.ForexampletheMECHsubdirectorywouldcontaintheresultsfile,theds.datfile,solve.outfileandsoon.user_files:containsinputfiles,usermacrofilesetc.thatmaybeassociatedwithaproject.,.WorkbenchFileManagement,FromtheWorkbench“View”menuactivatethe“Files”optiontodisplayawindowcontainingfiledetailsandlocations.,.WorkbenchFileManagement,Archive:quicklygeneratesasinglecompressedfilecontainingallpertinentfiles.Fileiszipformatandcanbeopen