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March 31, 2010, 02:12
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reverse flow and divergence in AMG solver
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#1 |
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Senior Member
MASOUD
Join Date: Mar 2009
Posts: 102
Rep Power: 18  |
reversed flow in 24 faces on outflow 43.
reversed flow in 25 faces on outflow 55. temperature limited to 1.000000e+000 in 13 cells on zone 31 in domain 1 temperature limited to 5.000000e+003 in 11 cells on zone 31 in domain 1 temperature limited to 1.000000e+000 in 5 cells on zone 32 in domain 1 temperature limited to 5.000000e+003 in 3 cells on zone 32 in domain 1 temperature limited to 1.000000e+000 in 1300 cells on zone 34 in domain 1 Error: Divergence detected in AMG solver: uds-0 Error: Divergence detected in AMG solver: uds-0 Error Object: #f ******************************* WHY????? |
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March 31, 2010, 09:12
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#2 |
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Senior Member
Chris
Join Date: Jul 2009
Location: Ohio, USA
Posts: 169
Rep Power: 18 |
I would first check the grid where you're hitting the solution limits. Maybe the cells are highly skewed, or there is a sharp edge?
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April 2, 2010, 09:48
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hi
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#3 |
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Member
heidar jafarizadeh
Join Date: Mar 2010
Location: Iran- Tehran
Posts: 43
Rep Power: 17 |
i am agree by th following answer. i encounter to this problem as u i solved it by increasing the mesh density.
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