how to solve axis-symmetry problem in Star-CD

flybird

Hi, I am a beginner of Star-CD. I try to compare result of Fluent and Star-CD with particle injection. I know it's very easy to solve axis-symmetry problem in Fluent. I drew a 2-D geometry in Gambit, and define the boundary conditions on each edge such as inlet, outlet, wall, axis. Then start Fluent as an axis-symmetry problem. But in Star-CD, it seems I can't draw a 2-D domain and define the boundary conditions on edges. I know there are lots of experts in this forum, Could somebody give me some idea on how to generate a simple geometry as axis-symmetric? Do I have to draw a 3-D volume with 1 degree? Thanks.

Does anybody has experience on which is better on atomization, Fluent or Star-CD.

Thanks.