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Twenty-First Symposium on NAVAL HYDRODYNAMICS
undertaking. However, it would have a major payoff in saving design time, and the very high cost of experimental hardware and facilities. It would also provide “agility” to the ship design process, as rapid means for assessing the merits and limitations of various options will be at hand.
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2. Powell, A., “Theory of Vortex Sound.” J. Acoust. Soc. Am. 36, 177–195 ( 1964).
3. Ffowcs Williams, J.E., “Sound Radiation from Turbulent Boundary Layers Formed on Compliant Surfaces.” J. Fluid Mech. 22, 347–358 ( 1965).
4. Curle, N., “The Influence of Solid Boundaries upon Aerodynamic Sound.” Proc. R. Soc. London, Ser. A.231, 505–514 ( 1955).