chtMultiRegionSimpleFoam convergence -- CFD Online Discussion Forums

April 26, 2017, 04:39	chtMultiRegionSimpleFoam convergence	#1
Sebathe New Member Join Date: Mar 2016 Posts: 1 Rep Power: 0	Hi everyone, I used the solver chtMultiRegionSimpleFoam in order to compare the data with SimScale (https://www.simscale.com/docs/conten...Packaging.html). With a relaxation factor of 0.9 for h in the fvSolution, the solution is obtained after 1500000 iterations. But if the relaxation factor is equal to 1.0, then the solution is obtained after 1000 iterations. The solution is the same in both cases. Someone can explain why there is such a difference concerning the convergence ? I am using the version OpenFOAMv3.0+. Regards, Sébastien

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