Split Surfaces in Fluent
 

Hi,

my model consists of wing with a flap. I have performed unsteady simulations with Fluent on this configuration. I would like now to let Fluent compute the forces and moments exerted on the upper and lower surface of the flap. However, when creating the model I didnt create two separate surfaces for the flap, but one. Does any of you guys know if and how is it possible to split the surface of the flap in two, so that I have flap_upper and flap_lower?

Thank you in advance.

Regards,
Alex

Mesh/separate/Faces