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September 3, 2008, 05:57 |
Impinging Jet in ICEM - Negative volume
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#1 |
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Hi everybody,
I have been trying to simulate an impinging jet on a circular plate. The impinging jet comes out from a slot above the plate. My domain is cylindrical. I did an O-Grid around the slot. When the meshing of the height-edge is uniform, then the quality of the mesh is best. But everytime that I change the law from uniform to another like geometrical 1 or Poisson, I get very bad angles and negative volumes. I need to get the first spacing very small in order to simulate correctly the near wall domain. It can't happen with uniform mesh. I have been stucking there for 3 weeks! Please help me if you have any idea. Thank you in advance. |
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