出现负体积是网格画的有问题
首先确定你设置的边界条件有没有问题？转速是否设置反了？shroud是否设置了counter rotating wall壁面条件...
Wall Boundary Conditions1.Insert a boundary condition named Stationary2.Set it to be a Wall, using the STATIONAR 14、Y location3.On the Boundary Details tab, enable a Wall Velocity and set it to Counter Rotating Wall4.Click OK5.In the Outline Tree, right-click on the Default Domain ...
SetittobeaWall,usingtheSTATIONARYlocationOntheBoundaryDetailstab,enableaWallVelocityandsetittoCounterRotatingWallClickOKIntheOutlineTree,right-clickontheDefaultDomainDefaultboundaryandrenameittoMovingThedefaultbehaviorfortheMovingboundaryconditionistomovewiththerotatingdomain,sothereisnothingthatneedstobeset 离心泵CFX...
WS5-1 April28,2009Inventory#002599 WS5:CavitatingCentrifugalPump Introduction ThePurposeofthetutorialistomodelcavitationinacentrifugalpump,whichinvolvestheuseofarotationdomainandthecavitationmodel.Theproblemconsistsofafivebladecentrifugalpumpoperatingat2160rpm.Theworkingfluidiswaterandflowisassumedtobesteadyand...
Nonoverlap Conditions > Mass and Momentum > Counter Wall Velocity > Option Rotating Wall (3)点击 OK。 应用旋转的非滑移墙体条件到静态域侧面的非重叠部分, 应用旋转的非滑移墙体条件到静态域侧面的非重叠部分,因为该部分代 表了泵的外齿, 6rps。 表了泵的外齿,并且关于 Z 轴转速 6rps。 (1)编辑 Sta...
(2)应用如下表格中的设定: Tab Setting Value Boundary Details Nonoverlap Conditions (Selected) Nonoverlap Conditions Mass and Momentum Option No Slip Wall Nonoverlap Conditions Mass and Momentum Wall Velocity (Selected) Nonoverlap Conditions Mass and Momentum Wall Velocity Option Counter Rotating Wall (...
– Location = SHROUD – Check the box for Wall Velocity. – Set the Option to Counter Rotating Wall (Counter Rotating in rotating system = stationary in global system). 11 © 2016 ANSYS, Inc. May 23, 2016 Create Boundary: Outlet and Walls (in S1) • Create an Outlet boundary in ...
同时不知道你的模型是否包括leakage room.同时可能rotating domain会有counter rotating wall之类需要注明，...
WS5-1 April28,2009Inventory#002599 WS5:CavitatingCentrifugalPump Introduction ThePurposeofthetutorialistomodelcavitationinacentrifugalpump,whichinvolvestheuseofarotationdomainandthecavitationmodel.Theproblemconsistsofafivebladecentrifugalpumpoperatingat2160rpm.Theworkingfluidiswaterandflowisassumedtobesteadyand...