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Forum: OpenFOAM Running, Solving & CFD

July 24, 2006, 11:05

Replies: 22

Restarting simulations

Views: 3,368

Posted By eugene

Of course if it does more than

Of course if it does more than one sweep you should decrease the check frequency. In my experience it needs only 1 or sometimes two sweeps to converge. Then again, I was running steady state, so...

Forum: OpenFOAM Running, Solving & CFD

July 24, 2006, 08:12

Replies: 22

Restarting simulations

Views: 3,368

Posted By eugene

Try using the GaussSeidel solv

Try using the GaussSeidel solver instead of BICCG, i.e.
change

U BICCG 1e-6 0;

to

U GaussSeidel 1e-6 0 1;

The change tends to improve robustness during startup and on some...

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