Unsteady Flow over an Airfoil
 

Hi everybody
I'm trying to simulate NACA0015 airfoil separation in unsteady flow situations.
M=0.22. mesh is C-Type.AOA=15 deg.
I have tried Pressure far-field BC all around.Divergence in Temp and Press occurred.
for next try, used velocity inlet and 3-pressure farfield. Divergence!
Can anybody help me?
regards