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eric August 19, 2003 12:19

grid fail
Hi all,

When I check my grid in fluent it tells me the grid is fine but when i smooth/swap the grid a non-positive volume warning comes up.

I am using a mix of structured and unstructured cells.

How I found this is, when I tried to adapt my grid using solution adaption - the non-positive volume warning comes up no matter what values i use.

Can anyone give me advice on this matter?

Thanx, Eric

nikita August 19, 2003 21:41

Re: grid fail
hello eric, i used to be in your problem where the warning non-positive volume are always exist when i check grid, smooth and swap. After all, what i am doing is, i redo meshing the drawing again in Gambit, but this time, i change the meshing size. Pls make sure that your boundary condition is correct.this kind of thing, for the beginner is common.good luck

jieremy August 20, 2003 04:45

Re: grid fail
u can remesh your grid especialy on the face uniting the structed grid and unstructed face.

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