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December 21, 2016, 14:55 |
Convergence issue!
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#1 |
Senior Member
SinaJ
Join Date: Nov 2009
Posts: 136
Rep Power: 16 |
Hi
I'm having a convergence problem for Steady state (SS) solution in a huge water tank flow simulation. I'm doing realizable k-epsilon (y+ ~50) there is a good residual convergence (like 1e-5 and -6) for all variables. but when I monitor some random points in the flow, I get very fluctuating velocity magnitudes in those points. Do you have any comment on why this happens and how I can fix this? (I guess the reason is the fact that there is no solution with local convergence for a high turbulence flow!) |
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