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Forum: OpenFOAM Running, Solving & CFD

December 17, 2012, 06:45

Replies: 9

Convergence criteria

Views: 3,452

Posted By Lieven

That's exactly what I mean when I say the...

That's exactly what I mean when I say the criteria you used in the first simulation is not strict enough. Based on the convergence criterion, the code thinks the solution is converged while it is...

Forum: OpenFOAM Running, Solving & CFD

December 17, 2012, 04:59

Replies: 9

Convergence criteria

Views: 3,452

Posted By Lieven

This indicates that the criteria is not strict...

This indicates that the criteria is not strict enough.

... I would be great if this were the case, but unfortunately it isn't.

What you could do is figure out the size of the residuals when...

Forum: OpenFOAM Running, Solving & CFD

December 14, 2012, 16:13

Replies: 9

Convergence criteria

Views: 3,452

Posted By Lieven

Depends on the type of simulations your doing. If...

Depends on the type of simulations your doing. If it is unsteady LES where you monitor the average over time of Cl and Cd, then this will work.
With RANS however, there is no guaranty that if Cl or...

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