check grid failed

July 30, 2003, 01:24

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

July 30, 2003, 03:31

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

July 30, 2003, 01:24	check grid failed	#1
nikita Guest Posts: n/a	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

July 30, 2003, 03:31	Re: check grid failed	#2
Jürgen Guest Posts: n/a	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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