WIT Press


Optimal Design Of Cavitating Hydrofoils By Genetic Algorithms

Price

Free (open access)

Paper DOI

10.2495/BT990121

Volume

23

Pages

10

Published

1999

Size

786 kb

Author(s)

F. Salvatore, A. Giordan and P.G. Esposito

Abstract

The application of genetic algorithms to the optimal design of cavitating hydro- foils in inviscid flow is addressed. A fitting technique based on B-Splines is used for the geometrical description of the hydrofoils in order to reduce the degrees of freedom in the optimization procedure. The flow around the hydrofoil is analysed by a boundary integral formulation for the velocity potential. The shape of the cavitation bubble is determined as a part of the solution through a nonlinear al- gorithm which is solved iteratively. Preliminary numerical results for a hydrofoil configuration are presented. 1 Introduction The aim of this paper is to present a methodology for the optimal design of ship propellers operating in cavitating flow conditions. The probl

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