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Search: Posts Made By: CFDtoy
Forum: Main CFD Forum January 2, 2010, 14:09
Replies: 10
Views: 7,063
Posted By CFDtoy
convergence

Hi,
Continuity divergence is kinda expected ...your relaxation was too high and with the time step you use, the parameters i suggested above takes care of the variable update. Even with PISO if...
Forum: Main CFD Forum January 1, 2010, 21:38
Replies: 10
Views: 7,063
Posted By CFDtoy
divergence

From the log file check which quantity is diverging? continuity, xvel, y vel, k , epsilon, etc...which one is not converging?

Anyways, other thing to try: keep piso

under relaxation - pressure...
Forum: Main CFD Forum January 1, 2010, 15:55
Replies: 10
Views: 7,063
Posted By CFDtoy
MP divergence

Hello bugra,
good that you were able to spot divergence immediately. Now, are you running steady or unsteady model? what kind of multiphase model are you running - VOF or eulerian-eulerian or...
Forum: Main CFD Forum December 30, 2009, 23:57
Replies: 10
Views: 7,063
Posted By CFDtoy
modeling multiP jets

hi there,
the problem is not difficult...make sure you tune your solution controls properly ..if you require only the dispersion angle etc..try running SIMPLE with PRESTO scheme for pressure,...
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