Gavin

August 18, 2001 10:50 
Seperated Flow past a Spheroid
I am trying to model (using Fluent)flow past a prolate spheroid (3d Ellipse) to locate seperation lines at the aft end (masters dissertaion). I have tried both 2D and 3D models. The problem is I cannot seem to get results which show any seperation at all. I have tried all the turbulense models (RNG, Realizable, ke), wall functions (2 zone, nonequilibrium)etc. I have put a boundary layer in too, but to no avail. I have seen results proving it can be done using CFD but it will not work for me. I have tried all types of mesh on the spheroid surface (tripave, quad triprim), but I am restricted to unstructured mesh (TGrid) in the flow domain. Has anyone any idea how to solve this problem? All suggestions greatly appreciated. Thanks.
