[Romarius]

Hi Foamers,

I am studying on a MRF simulation on a turning marine propeller in open water.

The question is how can I snap the mesh to an inner cylinder so that the interface between rotating zone and static zone could be smooth and cylindrical?

I have created a cylindrical mesh with blockmesh

Then I insert the propeller file.stl (a plate for simplifying) with snappyhexmesh

After that I have imposed a cylindrical zone to be MRF in using topoSetDict

After changing the fvOption file, I ran the simulation

and no wonder the result is bad.

So I repeat my question:

What could I do to create an interface between the rotor zone and the stator zone? And what could I do to assign parts to MRF? (I am using topoSet but I suppose there's better solution. I know there exists setSet regionCellSets and setsToZones but I don't know how to use it).

Anyone could help me please?

[Romarius]

I have found the answer from a previous post, i will paste the link below and for those who have the same questions as me, please take a look!

http://www.cfd-online.com/Forums/ope...f-solvers.html