The Acoustic Response of a Periodically Rough Elastic Plate (Ice) in Contact With Water

[+] Author and Article Information
A. Lakhtakia, V. K. Varadan, V. V. Varadan

Wave Propagation Laboratory, Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pa. 16802

J. Appl. Mech 52(1), 144-148 (Mar 01, 1985) (5 pages) doi:10.1115/1.3168985 History: Received March 01, 1984; Revised May 01, 1984; Online July 21, 2009


The plane wave scattering matrix theory is applied to formulate a T -matrix which characterizes the acoustic response of an infinite solid plate bounded by semi-infinite vacuum and fluid half spaces on either side. Individual T -matrices for the periodically rough vacuum/solid and solid/fluid interfaces are used in this derivation. Using the computed results, the anomalies in the scattering response of the rough solid plate are explained in terms of the Rayleigh, the Scholte, and the Lamb waves.

Copyright © 1985 by ASME
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