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Wind turbine single blade, extra MRF zone required?

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Old   September 28, 2022, 12:17
Question Wind turbine single blade, extra MRF zone required?
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I am facing the simulation of a wind turbine blade. Single blade with 120 rotational periodic domain.

I have seen 2 ways of simulating it:
-On the first one, a MRF zone has been set around the blade that is connected to the bigger domain (no MRF) with an interface.
-On the other case, a single big domain has been done, all set as MRF.

Which one would be the correct approach and why? I see the advantage of having no interface, but I am not sure whether setting the whole domain as MRF can have some drawback.

Thank you very much in advance.

Kind regards.
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meshing 3d, meshing advice, wind turbine

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