Ansys 12CFX 官方教程

AppendixBTurboPreandPostIntroductiontoCFXTurboPreTurbomodeinANSYSCFX-Preisaspecialistmodeallowinguserstosetupturbomachinerysimulations,suchascompressorsorturbines,inasimplemanner.CFX-PreTurboModeCFX-PreTurboModeAtanytime,userscanenterturbomodefromthefilemenuTools>TurboModeButtonsatbottomtonavigatethroughthewizard:Next–movetothenextpageBack–movetothepreviouspageFinish–anydatathathasbeenenteredwillbecommitted,PregoesintoGeneralModeCancel–closeTurbomodeandreverttoGeneralModeMesheswillremain,datawillnotBasicSettingssetupaxisofrotationandcoordinateframeCFX-PreTurboModeComponentDefinitionImportmeshes(right-click)DefinerotatingorstationaryDefinerotationalspeedDefinenumberofpassagesDefinetipclearanceifapplicableFormultiplestages,userightclickto:ChangecomponentorderAutomaticallyaligncomponentsCFX-PreTurboModePhysicsDefinitionFluidpropertiesSteadyStatevs.TransientModelDataEnergyandTurbulenceModelsBoundaryTemplates:Ptinlet-PsoutletPtinlet-massflowoutletMassflowinlet–PsoutletInterfaceType:Stage,FrozenRotor,TransientRotorStatorSolverparametersAdvectionSchemeTimeScale/StepcontrolsCFX-PreTurboModeInterfaceDefinitionDomaininterfacesautomaticallygenerated!Setup/checkallDomainInterfacesFrozenrotorTransientrotorstatorStagePeriodicNoneRight-clicktoaddordeleteinterfacesCFX-PreTurboModeBoundaryDefinitionBoundaryregionsandconditionsautomaticallysetup!Define/checkboundaryconditionsRight-clicktoaddorremoveboundaryconditionsCFX-PreTurboModeFinalOperationsOptions:EnterGeneralModetomakefurtheroperationsEx.CreatemonitorpointsEx.Setupamulti-configurationrunWrite.deffileandstartthesolverOptiontoquitCFXPreCFX-PreTurboModeSummary–sixstepstosetupaturbomachinerysimulation:BasicSettingsComponentDefinitionPhysicsDefinitionInterfaceDefinitionBoundaryDefinitionFinalOperationAdvantages:RapidsetupforturbomachinerysimulationsAutomaticcreationofdomaininterfacesandboundarydefinitionsCFX-PreTurboModeAfterthecasehasbeensetupinTurboMode,thefollowingmodificationscanbemadeingeneralmode:ComponentmeshorcasereloadOnetoOneconnectionsforperiodicandstationarydomainconnectionscanbespecifieddirectlyDomaininterfaceintersectioncontrolCreationofmonitorpointsand/orsourcepointsMulti-configurationsimulationExecutioncontrolCFX-PreGeneralModeTurboPostTheTurboworkspaceimprovesandspeedsuppost-processingforturbomachinerysimulationsAllTurbopost-processingperformedontheTurbotabCFD-PostTurboWorkspaceTheTurboworkspace:Createsspan,m’,axial,radialandthetacoordinateframesAllowsuserstovisualizecomponentsinturbospaceOne-buttoncalculationofvelocitycomponents(suchascircumferential,radial,axial,meridional)QuicklygenerateturborelatedchartsandgraphsProvidesaccesstoturbospecificmacrosWorkswithFluentorCFXresultsCFD-PostTurboWorkspaceInitializationInputrequiredtocreatebackgroundmeshSpecifynumberofinstancestovisualizefullgeometryOptionsAutomaticInitializationManualInitializationUserselectshub,shroud,blade,inlet,outlet,andperiodicsurfacesCalculateVelocityComponentsEx.Radial,Tangential,andMeridionalvelocitycomponentsCFD-PostTurboWorkspaceBackgroundMeshNecessarytocalculatestreamwise(m’)andspanwisecoordinates2Dmeshformedbycollapsinghub,shroud,inletandoutletontoanaxial-radialplaneOutlineisfilledwithmeshconsistingofconstantspanandm’linesCFD-PostTurboWorkspaceFourtypesofobjectsareavailablethatareusefulforturbomachineryapplications3DViewBlade-to-BladeMeridionalTurboChartsCFD-PostTurboWorkspace3DViewPlotCanselectwhichpartstodrawOptionallywithmeshlinesShowBlade-to-Bladeplotin3DviewShowchartlocationlinesInstancingCFD-PostTurboWorkspaceBlade-to-BladePlotSelectSpanCangeneratethefollowingplots:ColourContourVectorStreamlinesCFD-PostTurboWorkspaceMeridionalPlotCangeneratethefollowingplots:Outline,Colour,Contour,VectorDifferenttypesofcircumferentialaveragingNone,length,area,massRefertohelpdocumentationformoredetailsCFD-PostTurboWorkspaceTurboChartSelectoneofthefollowingcharttypes:BladeLoadingCircumferentialHubtoShroudInlettoOutletBasedonthecharttype,usermanyneedtoinput:XandYaxesvariablesSpanwiseand/orstreamwiselocationNumberanddistributionofsamplingpointsSelectthetypeofcircumferentialaveragingCFD-PostTurboWorkspaceTurboMacrosFourpredefinedmacrosFanNoiseGasCompressorPerformanceGasTurbinePerformanceLiquidTurbinePerformancePumpPerformanceModifyinputrequirementsasnecessaryGeneratesareportin.htmlformatCalculatesrelevantquantitativedataCFD-PostTurboWorkspaceTurboReportsTheturboreportsaredesignedforsingleandmultiplebladerowfluidanalysesTurboreportsattempttoauto-initializeTurbomodeIfauto-initializationfails,usermustinitializeTurbomodemanuallyandre-runtheturboreportCFD-PostTurboWorkspaceTurboPostAutomatedinitializationofcomponentsAllturbopostobjectsarepresentedinasingleencapsulatedinterfaceTurboPostgraphicalobjectscanbepromotedtofullpostprocessingmodeforgeneraluseifdesiredDonebyrightclickingonturboobjectAdditionalToolsinCFDPostTablescanbecreatedMultiplecasescanbeloadedandcomparedGenerationofperformancecurvesTurboSurfacesandTurboLinescanbecreatedinGeneralModeCFD-PostTurboWorkspaceTurbo-PreFacilitatessetupofrotatingmachineryproblemsTurbo-PostProvidesadditionalfunctionalityinCFD-Posttoaddpowerfulpost-processingcapabilitiesforturbocasesForPracticalExamples:AxialFanWorkshopTutorial#12KeyPoint