Hello,

I'm simulating a basic case but yet, I obtain something strange. I could simplify my problem so that we could consider that I have a cube in a flow. As my geometry is simetric, I've put this condition to reduce the mesh. I'm obtaining a vortex in the rear part as I wanted but I've seen that the dimension of this vortex doesn't vary with the velocity of the flow. The velocity in the vortex vary but not his length.

It doesn't seem normal to me. A I wrong or is it a problem in the simulation ?

Dimitri

Try using different turbulent model!