Floating Point Exception Error
I have been getting the same particular error ever since I've tried to run my mesh in Fluent.
Initially, i thought it was because of a bad mesh and I've tried to improve the quality of my mesh as much as possible but I am still getting the same floating point error. Even reducing the under relaxation factor does not help. Would greatly appreciated if someone can give me some insights, I am truly lost as to what else to do. This is the full error message; # Divergence detected in AMG solver: x-momentum -> Increasing relaxation sweeps! Divergence detected in AMG solver: x-momentum Divergence detected in AMG solver: y-momentum Divergence detected in AMG solver: z-momentum Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: k Divergence detected in AMG solver: epsilon Divergence detected in AMG solver: x-momentum Divergence detected in AMG solver: y-momentum Divergence detected in AMG solver: z-momentum Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: k Divergence detected in AMG solver: epsilon Divergence detected in AMG solver: x-momentum Divergence detected in AMG solver: y-momentum Divergence detected in AMG solver: z-momentum Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: k Divergence detected in AMG solver: epsilon Divergence detected in AMG solver: x-momentum Divergence detected in AMG solver: y-momentum Divergence detected in AMG solver: z-momentum Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: k Divergence detected in AMG solver: epsilon Primitive Error at Node 1: floating point exception Primitive Error at Node 2: floating point exception Primitive Error at Node 3: floating point exception Primitive Error at Node 0: floating point exception Error: floating point exception Error Object: #f http://img.photobucket.com/albums/v2...s/Capture4.jpg |
Hi!
I have same problem. Do you work parallel solver? |
Yes I used parallel solver. I believe this has to do with my mesh having negative volume elements.
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I haven't negative volume elements but i get same error. I think it is about parallel solver.
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Have you been able to figure out the cause of this? It runs Ok in series?
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I have 28 species and wall reactions. So i couldn't get serial solver.i only guess.
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Is anyone able to help out with this issue?
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i'm facing the same issue !!! |
Check your mesh quality for negative volumes, high aspect ratio and so on. Also check your boundary conditions - are they correctly set?
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solution
I faced the same problem and solved it. My domain is axisymmetric and i had not selected all the edges set as axis boundary.I selected the right edge and it disappeared.
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