Wind tunnel simulation; Varying the angle of attack

HHK1992HHK1992 BusanMember

Hi,

I hope you all are doing good.
I am trying to simulate the flow through a wind tunnel and measure the aerodynamic force coefficients of an airfoil placed at the test section of the wind tunnel. I need to do this at various angles of attack.
I know that adjusting the flow direction (and keeping the airfoil horizontal) can do it (PFA pic1). But, this does not seem to be the right method for the simulation of the flow through the wind tunnel (PFA pic2), especially at higher angles of attack.
Does anybody know how to adjust the angle of attack in the wind tunnel simulation without remeshing the geometry for each angle of attack?
Do I need an overset mesh for this?
Please let me know. Thanks in advance.

Pic1

Pic2

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