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-   -   check grid failed (http://www.cfd-online.com/Forums/fluent/31904-check-grid-failed.html)

nikita July 30, 2003 00:24

check grid failed
 
hello friends, i got a problem in running my 3d drawing since i got a warning msg when checking grid.For your info, the warning said that non-positive volume exist, but when i ignore the warning and proceed, i have a problem in iterate the case,The error is:divergence deteced in AMG solver:x-momentum.My 3 d drawing has 669543 mesh volume with 140792 node..pls advise..tq in advance

Jürgen July 30, 2003 02:31

Re: check grid failed
 
Well, if you have cells with a negative volume, this means the cell is folded. You nedd to correct this error in the grid.


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