Abstract
In this paper, a prediction method of aerodynamic coefficients called 'Wake Integration Method' was discussed based on CFD simulations. Compared with traditional 'Surface Integration Method', the advantages of this method are the improvement of the accuracy of drag prediction and the drag decomposition capability to wave, viscous, and induced drag. This method was applied to unstructured grid inviscid simulations. It was confirmed that the good agreement with other prediction method about lift coefficient and induced drag terms. As concerns the profile (wave) drag term, it was seen to be affected by numerical effect.
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