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September 27, 2016, 23:38 |
Divergence in AMG solver
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New Member
Joel
Join Date: Sep 2016
Posts: 1
Rep Power: 0 |
Hi,
I am currently doing an LES simulation of a flow from a supersonic nozzle. I am using the Implicit formulation. My boundary conditions are pressure-inlet and farfield-pressure for the inlet and outlet. The time step I set is at 1.0e-8. After about 210000 iterations, i received an error: Internal error at line 1610 in file 'dbns/rp_mstage.c' on Node 18. Divergence detected in AMG solver Internal error at line 1610 in file 'dbns/rp_mstage.c' on Node 103. Divergence detected in AMG solver Internal error at line 1610 in file 'dbns/rp_mstage.c' on Node 19. Divergence detected in AMG solver Internal error at line 1610 in file 'dbns/rp_mstage.c' on Node 118. Divergence detected in AMG solver Internal error at line 1610 in file 'dbns/rp_mstage.c' on Node 20. .... Can anyone assist me in this issue? It will be greatly appreciated!! Thank you |
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