Custom Field Function Question -- CFD Online Discussion Forums

August 4, 2004, 11:23	Custom Field Function Question	#1
Jason Guest Posts: n/a	I have a model that I want to run at multiple angles of attack. I want to calculate the magnitude of the v and w components of the velocity (the components of the local velocity perpendicular to the freestream velocity). I know that I can calculate these if I hard code the angles into a custom field function (u=VysinAoA+VxcosAoA, v=Vz, w=VycosAoA-VxsinAoA), but I have to delete and rewrite the CFF for each AoA I run. Is there any way to get the CFF to look up the AoA from the boundary condition (or at least the velocity components so I can calculate the AoA)? I appreciate any help. Thanks, Jason

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