2次元オセーン流れにおける最小抵抗物体形状 (第2報) : 前後非対称の場合

概要

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The present paper deals with an inverse problem for obtaining optimum body profiles with minimum viscous drag. In the preceding first paper the authors applied the inverse procedure for drag optimization developed by Bessho to two-dimensional Oseen flow, and obtained symmetric optimum profiles about the origin. The present work is an extension of the method to fore-aft asymmetric profiles with minimum drag under some restrictions. Numerical results and discussions on the optimum profiles are made. The procedure to find optimum profiles is an iterative scheme. The flow quantities for a given profile are firstly determined by integral equations using Oseen kernel functions. Then the optimum deformation is determined so that the drag is minimized. And the body profile is deformed to obtain a new profile. These processes are iterated until a convergence is reached.
社団法人日本船舶海洋工学会の論文
1987-12-30