Rotating wall boundary conditions for different shapes

Is rotating wall boundary conditions only applicable for cylindrical walls or can we use it for other shapes like conical or spherical walls?i read in manual that it is applicable only for cylinder but I saw it working for other shapes so i wanted to know whether rotating wall boundary conditions will be applicable to other shapes also ?Thanks in advance

Hi! Rotating wall boundary conditions should also be available for walls with arbitrary shapes - it is not limited to cylindrical walls.

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