Acoustic radiation impedance of rectangular pistons on prolate spheroids |
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Authors: | Boisvert Jeffrey E Van Buren A L |
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Affiliation: | Naval Undersea Warfare Center, Newport, Rhode Island 02841-5047, USA. |
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Abstract: | The self and mutual radiation impedances for rectangular piston(s) arbitrarily located on a rigid prolate spheroidal baffle are formulated. The pistons are assumed to vibrate with uniform normal velocity and the solution is expressed in terms of a modal series representation in spheroidal eigenfunctions. The prolate spheroidal wave functions are obtained using computer programs that have been recently developed to provide accurate values of the wave functions at high frequencies. Results for the normalized self and mutual radiation resistance and reactance are presented over a wide frequency range for different piston sizes and spheroid shapes. |
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