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Proceedings Paper

Classification of elastic-shell resonances on curved bounded surfaces to very high frequencies
Author(s): Elmer White; Michael F. Werby; Guy V. Norton
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Paper Abstract

In the process of scattering from submerged elastic shells, it is possible to excite many types of resonances. Among these are the lowest order symmetric and antisymmetric Lamb modes, and the waterborne waves, such as the pseudo-Stoneley resonances and the higher order symmetric and antisymmetric Lamb modes Si and Ai (i equals 1, 2, 3, ...). The frequencies at which these originate are referred to as critical frequencies. We establish simple rules to determine the frequencies at which the resonances originate as a function of shell thickness and material properties.

Paper Details

Date Published: 15 October 1993
PDF: 8 pages
Proc. SPIE 1960, Automatic Object Recognition III, (15 October 1993); doi: 10.1117/12.160610
Show Author Affiliations
Elmer White, Naval Research Lab. (United States)
Michael F. Werby, Naval Research Lab. (United States)
Guy V. Norton, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 1960:
Automatic Object Recognition III
Firooz A. Sadjadi, Editor(s)

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