Incorrect pressure distribution across NACA0012 -- CFD Online Discussion Forums

November 30, 2018, 10:19

Incorrect pressure distribution across NACA0012

gravy_95

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I'm trying to replicate the results for NACA0012 at 0 angle of attack. The pressure has a small fluctuation as around x = 0.1. Does anyone know what is causing this? I thought it was initially due to the layers increasing in size at this point but I've fixed that problem as far as I can tell.
My Cd = 0.00855 but I'm aiming for 0.00817. I'm using simpleFoam. Any ideas?

Pictures of mesh and Cp attached.

Attached Images

	simple_coarse_0_3_mesh.jpg (162.8 KB, 12 views)
	simple_coarse_0_3_Cp.jpg (61.1 KB, 10 views)

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