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1、B-1ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Appendix BTurbo Pre and PostIntroduction to CFX B-2ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Turbo PreTurbo Pre and PostB-3ANSYS, Inc. Proprietary 2009 ANS
2、YS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualTurbo mode in ANSYS CFX-Pre is a specialist mode allowing users to set up turbo machinery simulations, such as compressors or turbines, in a simple manner. CFX-Pre Turbo ModeTurbo Pre and PostB-4ANSYS, Inc. Proprietary 2009 A
3、NSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualCFX-Pre Turbo ModeAt any time, users can enter turbo mode from the Tools Turbo ModeButtons at bottom to navigate through the wizard:Next move to the next pageBack move to the previous pageFinish any data that has been enter
4、ed will be committed, Pre goes into General ModeCancel close Turbo mode and revert to General ModeMeshes will remain, data will notTurbo Pre and PostB-5ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training Manual1.Basic Settingssetup axis of rotation an
5、d coordinate frameCFX-Pre Turbo ModeTurbo Pre and PostB-6ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training Manual2.Component DefinitionImport meshes (right-click)Define rotating or stationaryDefine rotational speedDefine number of passagesDefine tip
6、 clearance if applicableFor multiple stages, use right click to:Change component orderAutomatically align componentsCFX-Pre Turbo ModeTurbo Pre and PostB-7ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training Manual3.Physics DefinitionFluid propertiesSt
7、eady State vs. TransientModel DataEnergy and Turbulence ModelsBoundary Templates:Pt inlet - Ps outletPt inlet - mass flow outletMass flow inlet Ps outletInterface Type:Stage, Frozen Rotor, Transient Rotor StatorSolver parametersAdvection SchemeTime Scale/Step controlsCFX-Pre Turbo ModeTurbo Pre and
8、PostB-8ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training Manual4.Interface DefinitionDomain interfaces automatically generated!Setup/check all Domain InterfacesFrozen rotorTransient rotor statorStagePeriodicNoneRight-click to add or delete interface
9、sCFX-Pre Turbo ModeTurbo Pre and PostB-9ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training Manual5.Boundary DefinitionBoundary regions and conditions automatically setup!Define/check boundary conditionsRight-click to add or remove boundary conditions
10、CFX-Pre Turbo ModeTurbo Pre and PostB-10ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training Manual6.Final Operations Options:Enter General Mode to make further operationsEx. Create monitor pointsEx. Setup a multi-configuration runWrite .def start the
11、solverOption to quit CFX PreCFX-Pre Turbo ModeTurbo Pre and PostB-11ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualSummary six steps to setup a turbomachinery simulation:1.Basic Settings 2.Component Definition3.Physics Definition4.Interface
12、 Definition5.Boundary Definition6.Final Operation Advantages:Rapid setup for turbomachinery simulationsAutomatic creation of domain interfaces and boundary definitionsCFX-Pre Turbo ModeTurbo Pre and PostB-12ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598T
13、raining ManualAfter the case has been set up in Turbo Mode, the following modifications can be made in general mode:Component mesh or case reloadOne to One connections for periodic and stationary domain connections can be specified directlyDomain interface intersection controlCreation of monitor poi
14、nts and/or source pointsMulti-configuration simulationExecution controlCFX-Pre General ModeB-13ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Turbo PostTurbo Pre and PostB-14ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Invent
15、ory #002598Training ManualThe Turbo workspace improves and speeds up post-processing for turbo machinery simulations All Turbo post-processing performed on the Turbo tabCFD-Post Turbo WorkspaceTurbo Pre and PostB-15ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory
16、#002598Training ManualThe Turbo workspace:Creates span, m, axial, radial and theta coordinate framesAllows users to visualize components in turbo spaceOne-button calculation of velocity components (such as circumferential, radial, axial, meridional)Quickly generate turbo related charts and graphsPro
17、vides access to turbo specific macrosWorks with Fluent or CFX resultsCFD-Post Turbo WorkspaceTurbo Pre and PostB-16ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualInitializationInput required to create background meshSpecify number of instan
18、ces to visualize full geometryOptionsAutomatic InitializationManual InitializationUser selects hub, shroud, blade, inlet, outlet, and periodic surfacesCalculate Velocity ComponentsEx. Radial, Tangential, and Meridional velocity componentsCFD-Post Turbo WorkspaceTurbo Pre and PostB-17ANSYS, Inc. Prop
19、rietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualBackground MeshNecessary to calculate streamwise (m) and spanwise coordinates 2D mesh formed by collapsing hub, shroud, inlet and outlet on to an axial-radial planeOutline is filled with mesh consisting of con
20、stant span and m linesCFD-Post Turbo WorkspaceTurbo Pre and PostB-18ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualFour types of objects are available that are useful for turbo machinery applications3D ViewBlade-to-BladeMeridionalTurbo Char
21、tsCFD-Post Turbo WorkspaceTurbo Pre and PostB-19ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training Manual3D View PlotCan select which parts to drawOptionally with mesh linesShow Blade-to-Blade plot in 3D viewShow chart location linesInstancingCFD-Pos
22、t Turbo WorkspaceTurbo Pre and PostB-20ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualBlade-to-Blade PlotSelect SpanCan generate the following plots:ColourContourVectorStreamlinesCFD-Post Turbo WorkspaceTurbo Pre and PostB-21ANSYS, Inc. Pro
23、prietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualMeridional PlotCan generate the following plots:Outline, Colour, Contour, VectorDifferent types of circumferential averagingNone, length, area, massRefer to help documentation for more detailsCFD-Post Turbo W
24、orkspaceTurbo Pre and PostB-22ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualTurbo ChartSelect one of the following chart types:Blade LoadingCircumferentialHub to ShroudInlet to OutletBased on the chart type, user many need to input:X and Y
25、 axes variablesSpanwise and/or streamwise locationNumber and distribution of sampling pointsSelect the type of circumferential averagingCFD-Post Turbo WorkspaceTurbo Pre and PostB-23ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualTurbo Macro
26、sFour predefined macrosFan NoiseGas Compressor PerformanceGas Turbine PerformanceLiquid Turbine PerformancePump PerformanceModify input requirements as necessaryGenerates a report in .html formatCalculates relevant quantitative dataCFD-Post Turbo WorkspaceTurbo Pre and PostB-24ANSYS, Inc. Proprietar
27、y 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualTurbo ReportsThe turbo reports are designed for single and multiple blade row fluid analyses Turbo reports attempt to auto-initialize Turbo modeIf auto-initialization fails, user must initialize Turbo mode manually
28、and re-run the turbo reportCFD-Post Turbo WorkspaceTurbo Pre and PostB-25ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualTurbo PostAutomated initialization of componentsAll turbo post objects are presented in a single encapsulated interfaceT
29、urbo Post graphical objects can be promoted to full post processing mode for general use if desired Done by right clicking on turbo objectAdditional Tools in CFD PostTables can be createdMultiple cases can be loaded and comparedGeneration of performance curvesTurbo Surfaces and Turbo Lines can be cr
30、eated in General ModeCFD-Post Turbo WorkspaceTurbo Pre and PostB-26ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.April 28, 2009Inventory #002598Training ManualTurbo-Pre Facilitates setup of rotating machinery problemsTurbo-PostProvides additional functionality in CFD-Post to add powerful post-processing capabilities for turbo casesFor Practical Examples:Axial Fan WorkshopTutorial # 12Key Point
