Abstract

The three-dimensional aerodynamic shape of a slender body of minimum drag is determined. The solution to the corresponding variational problem is considered in a special class of surfaces, among which there are surfaces of revolution. An approximate analytic investigation is made, and the results are given of a numerical calculation by the method of local variations. It is shown that the profile of the transverse section of the optimal body has a petal shape which becomes a circle in the midsection.

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