define free surface in cfx?
 

hello dear all
:confused: i am new in cfx work, i want analyze bucket spillway with cfx, I request you to define the free surface accurately explained to me where define level of water in cfx, i want define level of water in vof=0.4 because mixing water & air is Severe,
My problem is, where should I define vof??????(i.e cfx pre, cfx post and how?)

I'm sorry for the simple question but I've recently started work with cfx.

Thanks for your regard and good luck to all you

Look tutorial "Free Surface Flow Over a Bump".