Cavitation over an Orifice: Exercise 2—Preparing the Mesh
1. In the Flow Analysis Tree select Domains.
2. In the Properties panel, Model tab, for Mesh Generation, specify the following values:
Maximum Cell Size0.005
Minimum Cell Size0.001
Cell Size on Surfaces0.005
Create a Refinement ZoneCylindrical Zone
Cell Size—0.0025
Top Circle Center—0.0140, 0, 0
Bottom Circle Center—0.032, 0, 0
Zone Radius—0.006
3. Click Generate Mesh to create the mesh for the fluid domain. If the Info dialog box opens, click Yes to convert all the units.
4. Click in the Graphics toolbar to display the style elements. Select No Hidden, Hidden Line, or Wireframe to display the mesh.
5. Clear CAD Bodies.
6. Enable Flow Analysis Bodies.
7. In the Functions panel click Turn on/off view properties and select the following from the list: Hide all surfaces, Hide all grids, and Hide all outlines.
8. To view the surface, mesh or outline for a boundary, in the Flow Analysis Tree, under Boundary Conditions > General Boundaries select the boundary ORIFICE_CAVITATION.
9. In the View panel, click Show to display the selected boundary.
10. In the Properties panel, View tab, set Grid, and Outline to Yes. The mesh for the boundary ORIFICE_CAVITATION appears in the graphics window.
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