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Negative angles of incidence

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Old   March 4, 2004, 10:56
Default Negative angles of incidence
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Hi everybody. Im studying an airfoil in order to calculate lift and drag coefficients over a range of angles of incidence. The results are OK for the possitive ones, but I find some problems when calculating drag coefficients for the negative angles of incidence, like -1 and -2. The airfoil is a supercritical one, and the boundary conditions are pressure far fiel and wall for the airfoil. Mach number is 0.76. The domain (far field) is big enough. Thanks for your help!!!!!!!
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