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 Size—0.005
◦ Minimum Cell Size—0.001
◦ Cell Size on Surfaces—0.005
◦ Create a Refinement Zone—Cylindrical 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 and
Flow Analysis Bodies.
6. Select Domains.
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. Under Boundary Conditions, Interface, select the boundary ORIFICE_CAVITATION.
9. In the Properties panel, View tab, set Surface, Grid, and Outline to Yes. The mesh for the boundary ORIFICE_CAVITATION appears in the graphics window.
