Velocity gradient
 

What if I use F_U_G(f,t)[1] to get the normal component of velocity on the wall?

Am I thinking in the right direction?

Thanks.

Re: Velocity gradient
 

Salman,

F_U-G(f, t)[1] returns the y-componet of the face u-velocity (gradient vector), so if the geometry is on zx plane then u r right.

cheers/Alamgir