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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › When to use rotational and stationary fluid domain › Reply To: When to use rotational and stationary fluid domain

March 30, 2022 at 12:30 pm
Karthik Remella
Administrator
Hello:
In the configuration you are attempting to test, are your blades rotating? If so, you need to use the MRF approach. You need to create a small region around the turbine blades. This volume would be rotating relative to the absolute frame. The rest of the fluid region would be stationary.
If this is not the case and you are attempting to model a fully stationary case, then you do not need the MRF approach. You simply would be modeling everything as stationary.
Karthik