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May 24, 2023 at 11:23 pm
marco.peviani
SubscriberÂ
Hello everyone, I calculated the CL of a NACA 2410 in two different ways: in the first one I added the CL and CD from the report definition (the values ​​are correct comparing them with the theory), with the second method I obtain CL through the Force_y in the Results, in this case the CL is exactly 10 times smaller than the exact value.
Could you tell me what the problem is? -
May 25, 2023 at 12:51 pm
Federico
Ansys EmployeeHello Marco,Â
how exactly are you extracting Cl in your second method? I note that P4 and P5 are unitless which is in line with Cl/Cd, while P3 and P6 have units of Newtons.
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May 25, 2023 at 12:54 pm
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May 25, 2023 at 1:05 pm
Federico
Ansys EmployeeSo how are you getting Cl/Cd from the force in CFD-Post? I suspect you are not using the same reference values. You can check the ones used by Fluent in Physics tab > Reference values
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