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Grad and lift coefficient

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Old   June 13, 2000, 17:38
Default Grad and lift coefficient
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Does anybody knows what these coefficients (Cl and Cd) represent, and particularly if these coefficients are scaled by the surface or not?
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Old   June 15, 2000, 18:54
Default Re: Grad and lift coefficient
Sung-Eun Kim
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The definition of cd and cl are consistent with those in the interature. They are normalized by 0.5*rho*U**2*S (rho, U, S are density, reference velocity magnitude, and reference area all of which are defined in the "Report/Reference values" GUI panel.
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