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김종섭(Jong-seub Kim),박원규(Warn-gyu Park) 한국전산유체공학회 1997 한국전산유체공학회 학술대회논문집 Vol.1997 No.-
A new and efficient method is presented for design optimization, which is based on a computational fluid dynamics (CFD). The method is applied to design an airfoil configuration. The Navier-Stokes equations are solved for the viscous analysis of the flow, which provides the object function. The CFD analysis is then coupled with the optimization procedure that used a conjugate gradient method. During the one-dimensional search of the optimization procedure, an approximate flow analysis based on a first-order Taylor series expansion is used to reduce the computational cost. (This study is supported by Korean Ministry of Education through Research Fund)