MSCXFlow2011实例

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1、XFlow™TrainingWorkshop03BallCheckValveOverviewManufacturingSinglephaseInternalaerodynamicsConstrainedgeometrySpringforcewithdampingPost-processingStreamlinesWS03–BallCheckValveEngine:Dimension:3DSinglephaseinternalThermalmodel:isothermalAcousticanalysis:offGlobalattributes:Automaticturb

2、ulencemodelNogravitylawsInitialvelocityfield:0m/sInitialgaugepressurefield:0Pa1.Environment:SinglephaseinternalWS03–BallCheckValveFluid:WaterThermodynamicpropertiesViscositymodel:Newtonian2.Materials:WaterWS03–BallCheckValve3.Geometry:ImportthevalveandsphereImportgeometry:HitthebuttonBr

3、owsethefilesWS03–BallCheckValve3.Geometry:ChecknormalsorientationSelectGeometry+Right-clickGOODBADWS03–BallCheckValve3.Geometry:Adjustlocation/orientationValve:Position(0,0,0)Orientation(0,180,0)Sphere:Position(-0.014,0,0)Orientation(0,0,0)WS03–BallCheckValve3.Geometry:Createinlet/outle

4、tInlet:UsetheedgemodeselectionSelectedgesofthesurfaceWS03–BallCheckValve3.Geometry:Createinlet/outletInlet:Hitthebutton“CreateSurface”Anew“Shape”itemisaddedinthetreeOutlet:SameoperationWS03–BallCheckValve3.Geometry:ApplyboundaryconditionsValve:Behavior:FixedBoundaryCondition:WallSphere:

5、Behavior:ConstrainedMass:1kgRestitutioncoefficient:0.5Staticfrictioncoefficient:0.5Dynamicfrictioncoefficient:0.5DegreesofFreedom:XTranslationSpringforceinX:-250*(px-(-0.014))BoundaryCondition:WallWS03–BallCheckValve3.Geometry:ApplyboundaryconditionsInlet:Behavior:FixedBoundaryCondition

6、:MassFlowMassflowlaw:if(t<1.5,0.2,0)Outlet:Behavior:FixedBoundaryCondition:GaugepressureoutletGaugepressurelaw:0PaWS03–BallCheckValveTimediscretization:Simulationtime:2sAutomatictimestepcalculationCourantnumber:14.Simulation:SetthenumericalparametersDatastorage:FoldernameFrequencyofsamp

7、les:100HzComputemarkers:OnResolution:Resolvedscale:0.002mRefinement:DisabledWS03–BallCheckValve5.RunthesimulationRunthecalculation:Hitbutton“Run”WS03–BallCheckValve5.Post-Processing:MarkersvisualizationMarkers:Visualizationfield:VelocityVisualizationmode:MarkersCutting-planeZWS