Vortex Street Internal Fluid Flow Analysis

I need help with set up to see if there is any vortices crossing a circular shaft (Von Karman Vortex Street). I have tried to look at a few online example but they just do some initial set up and do not show boundary conditions or goals etc. They just go to the load results after they have ran the CFD analysis. Any help would be appreciated.

SolidworksFlow Simulation