"A setup with 2 regions is being used in a single-region analysis type. Please make sure that all regions except for one have an Advanced Concept assigned to them."

[thansiya]

@RicardoParis

In any case, making the radius of the sphere a little larger than it is right now would help in this sense.

i tried…the mesh was generated…thats a great !! relief.
but i ended up in many errors after that…now i am stuck again.

these are the faces of the turbine…its about 120 faces (i guess)