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Geometry
Launch ANSYS Workbench: Start > All Programs > ANSYS > Workbench
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For users of ANSYS 15.0, please check this link for procedures for turning on the Auto Constraint feature before creating sketches in DesignModeler. |
Create Flow Domain
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Imprint Lines to Control Mesh Sizing
Create a Bisecting Line
The purpose of this step and the following two steps is to imprint a line onto the geometry that will, allow for radial edge sizing in the meshing step.
Click on XYPlane in the tree and it should highlight blue. Then, click the new sketch button, 
. In the new sketch draw a line on the y axis that goes through both of the concentric circles. Make sure that it is coincident to the y axis. Then trim the line segments that lay inside of the inner circle and the line segments that lay outside of the outer circle. This, is carried out by using the Trim feature located in the Modify portion of Sketching .
Line Body Creation
Concept > Lines From Sketches .
Set the Base Object to Sketch 3. (located underneath XYPlane in the Tree). Click Generate
Projection
Tools > Projection .
Apply the two lines that you created to edge and apply the surface body to target. You must do these steps by using the line selection filter and the surface selection filter. For the two lines hold down control to select them both. Click Generate .
Suppress Line Bodies
Under "Tree Outline", expand "3 Parts, 3 Bodies". Find the two line bodies, right click and choose suppress.
Change type to "Fluid"
Under "Tree Outline", expand "3 Parts, 3 Bodies" and select "Surface Body". Then set the type "Fluid/Solid" to Fluid.
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Close Design Modeler and Save Project
To save the project, first close the design modeler and at the workbench window, go to files -> archive. If you choose "save", it will save it as two items: a file and a folder whereas the archive option saves it as one integrated item.
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