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1、实用标准文案ExampleonusingcommercialsoftwareFlowaroundacircularcylinderY.F.Lin精彩文档实用标准文案TwoDimensionalproblemsFlowaroundacircularcylinderProblemDescriptionAirflowsacrossacylinderwiththeuniformvelocity0.003m/sinthewindtunnel.Thelengthofthewindtunnel(fluiddomain)has25mlongand10mheight.Thed
2、iameterofcylinderis1m.Wall(SideA)InletOutlet5DCylinderWall(SideB)Fluiddomain5D20DAssumptionandBoundaryConditions:1.2dimensionalproblems2.Steadystatecondition3.Theuniformflowvelocity4.NoHeattransfer5.Neglectthegravitationalforce6.ConstantairdensityPre-processingstageInthisstage,weim
3、plementthe“ICEMCFD”toperformthepre-processingwork.Thebasicstepsasfollow:1.Establishgeometrymodel2.Blocktheparts3.GenerationtheOgrid4.Meshthemodelandcheckqualityofmesh5.Extrudethemesh6.ResettheBC’s(boundaryconditions)7.OutputtoCFX5.7.1CreatingGeometry1.OpenICEMCFDDoubleClickthe“ICEM
4、CFD”Icon,afterwards,youcanseetheinterfaceoftheICEMCFD.精彩文档实用标准文案OpenFile>NewProject…:Setthenamewith“cylinder_2d”,andClick“Save”精彩文档实用标准文案2.CreatingGeometry:A.PointsClickbutton“CreatePoint”andthenclickbutton“ExplicitCoordinates”SetthepointsinCartesiancoordinatesystem(X,Y,Z)with(X=0,
5、Y=0,Z=0)respectively.Click“Apply”buttonandseethescreen:apointiscreatedAtreewidgetcanbeseenatleftofthescreen(A)and(B)精彩文档实用标准文案Thesamemethodcreatesotherpoints:X=0;Y=0.5,-0.5X=-5;Y=5,-5X=20;Y=5,-5Y=0;X=0.5,-0.5A.Drawline(curve)Firstofallseethetreewidget,openModel>Geo-55metry>Pointsby
6、rightbuttonSelectShowPointNamesandyoucanseethenameofeachpointlikethefigureshowed.精彩文档实用标准文案NowyoucancreatecurvesClickbutton“Create/ModifyCurve”Clickbutton“CreateCurve”Note:theleftcorneroftheblackscreen:Selectlocationswithleftbutton,middle=done,right=cancelSelectpointsbyusingleftbut
7、tonofthemouse.ChangethenameofthePartwith“INLET”:SelectPONITS.05andPOINTS.06withleftbutton(A),Anddrawalinewithmiddlebutton“done”(B)andtheINLETpartiscreatedinthetreewidget.精彩文档实用标准文案Thesamestepsdrawthecurvesnamed“OUTLET,SIDEA,SIDEB”withthePOINTS.07andPOINTS.08,POINTS.06andPOINTS.07,P
8、OINTS.05andPOINTS.08respec
