Which turbulence model works better for both flow in porous region and free surface flow?

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Thomas Frank

From your message the setup of the intended CFD application is not clear to me. What role plays a porous region for your free-surface flow?

Narendra Patel

Thomas Frank question is updated. Thank you for your response.

Thank you for the clarified application. I would try to go with the SST turbulence model.

Hamed Davardoust

K epsilon SST is good for porous regions