Sound Radiation From Submerged Cylindrical Shells of Finite Length

[+] Author and Article Information
J. M. McCormick, M. L. Baron

Paul Weidlinger, Consulting Engineer, New York, N. Y.; Columbia University, New York, N. Y.

J. Eng. Ind 87(4), 393-405 (Nov 01, 1965) (13 pages) doi:10.1115/1.3670852 History: Received July 31, 1964; Online December 08, 2011


A method is presented for the evaluation of the pressure field which is induced in an acoustic fluid by the harmonic axisymmetrical excitation of a submerged thin elastic circular cylindrical shell of finite length. The approach utilizes dynamic influence coefficients from the in vacuo vibrations of the shell and a potential theory source approach for the fluid. Compatibility conditions on the shell-fluid interface allow the determination of the fluid-source strength coefficient and, subsequently, the pressure and/or velocity fields in the fluid. Provision is made for the inclusion of possible viscous-damping effects. Numerical results are presented for several structural configurations.

Copyright © 1965 by ASME
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