[mahtin360]

Hello,

I've recently started with OpenFOAM (2.3.0) and want to simulate rotating propellers.

I'm looking at the propeller tutorial and trying to understand how AMI patches are generated. I've tried to use SHM to do my own geometry but when I look at the two AMI patches, they look quite different. As far as I understand in the propeller tutorial they both come from the innerCylinderSmall geometry and the AMI is created using topoSet?

Could someone explain why if they can be different when I look at my own cylinders in ParaView, aren't the same mesh refinements applied in SHM? Do I have to work with the topoSet and createPatch dicts to work around this or is this a matter of mesh refinment?

thank you for any hints on this
Martin

AMI.jpg

AMI1.jpg