How to measure vortex strength
 

Im doing a parametric investigation of a vortex generator for use on HGVs by changing heights and separation distance but I'm not quite sure how to directly compare strengths of the generated vortex's and their sizes.

Is this easily achievable in ANSYS?

Thanks

Tool
 

Which tool from Ansys are you using for this work? Do note that there is no tool called Ansys.