Error: Internal error at line 1549 in file '..\..\src\rp_mstage.c'. -- CFD Online Discussion Forums

January 18, 2016, 03:08	Error: Internal error at line 1549 in file '..\..\src\rp_mstage.c'.	#1
Aurora23 New Member Join Date: Dec 2014 Posts: 3 Rep Power: 11	Hello, I am using density based solver, for transient real gas flow. I patched initial filling pressure in compression tank with nozzle to 7bar. I have compression due to the wall movement and the case includes mesh interfaces for sliding mesh. In the firts itteration the follwoing message occurs: # Divergence detected in AMG solver: Coupled --> Decreasing coarsening group size! # Divergence detected in AMG solver: Coupled --> Increasing relaxation sweeps! Divergence detected - temporarily reducing Courant number to 0.5 and trying again... Divergence detected - temporarily reducing Courant number to 0.05 and trying again... Divergence detected - temporarily reducing Courant number to 0.005 and trying again... Divergence detected - temporarily reducing Courant number to 0.0005 and trying again... Divergence detected - temporarily reducing Courant number to 5e-05 and trying again... Error: Internal error at line 1549 in file '..\..\src\rp_mstage.c'. Divergence detected in AMG solver Error Object: #f Any kind of help would be useful. Thank you in advance.

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