Pressure around an airfoil in boundaryfitted coordinates
I am trying to solve the viscous flow around an airfoil NACA 0012 using the vorticity streamfunction formulation in boundaryfitted coordinates , I have managed to find the velocity field everywhere but I can't seem to find a way to calculate the pressure field around the airfoil or at least on its surface to calculate the lift.
I have tried many things no thing seems to work. I started to doubt the velocity field,but the velocity field looks correct but I am not sure anymore. So I would appreciate it if anyone can get me a version of the pressure equation ( static or total ) in boundary fitted coordinates with the appropriate boundary conditions 
Thanks but that's not what i am looking for

I don't know if you speak spanish but you might want to check this MSc. Thesis. The algorithm to compute pressure (along with the appropriate boundary conditions) in bodyfitted coordinates is all explained.
http://earchivo.uc3m.es/bitstream/1...ranjo_2009.pdf What she does essentially is to compute pressure at every point from the computed velocity field, regardless of the system of coordinates. Could you explain your question a little bit more in detail? Cheers, Michujo. 
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