Walls and propeller are deleted by boolean operation from the bounding area and I created a rotating cylinder. The problem is, that when meshing is finished, the walls of the propeller are omitted. Is there any suggestion about a solution? When meshing with a boundary box instead of the outer wall everything is fine.
I saw that in the latest mesh settings the walls and the MRF remain in the mesh, did you figure out the issue by yourself then or am I still missing something?
I build the rotating cylinder around the other wall part. The result is the same, the inner walls will be omitted. Thus, I suppose, the cause for not-meshing is related to the rotating cylinder.
I tried to build the rotating cylinder by using geometry primitives, but this doesn’t work.
I tried to move the origin of the rotating cylinder to the outer wall of the fan surface. Still no meshing.
Regards
Andreas
Additional: I also tried to activate Multi Region Meshing. Then meshing is done properly, but simulation is not running
thanks for your reply. I already knew your project and adapted most of that Thanks for that.
So the only difference is that I can not put the rotating cylinder to the external region. Maybe this it is? The rest seems to be very similar for me.
Anyway I now found out that its working when I define a surface refinement to the rotating cylinder with cell zone. It seems that the rotating cylinder is “shadowing” the rest otherwise.