Moving reference frame

CFD_boy

Hi i'm gonna to simulate the flux around a rotor turbine blade using multiple reference frame. Grid has been created using Gturbo, so I think i could set the casing wall as fixed in the stationary frame; hub wall, bladetip, pressure and suction side walls of the blade fixed in the rotating frame. The doubt is on the fluid zone: should i set it fixed in the moving or in the stationary reference frame?

Thank you so much.