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RESEARCH PAPERS

Multiple Scattering of Waves in Irregularly Laminated Composites

[+] Author and Article Information
R. L. Weaver, Yih-Hsing Pao

Department of Theoretical and Applied Mechanics, Cornell University, Ithaca, N. Y. 14853

J. Appl. Mech 47(4), 833-840 (Dec 01, 1980) (8 pages) doi:10.1115/1.3153799 History: Received November 01, 1979; Revised May 01, 1980; Online July 21, 2009

Abstract

The transition matrix formulation of multiple scattering is applied to the problem of wave propagation in a one-dimensional layered medium. The effect of geometrical irregularity in an otherwise periodic layered structure is investigated in detail for the case of elastic waves propagating normally to elastic layers embedded in elastic, or in viscoelastic matrix media. The irregularity is found to widen and diminish the stop bands and soften the sharp band features characteristic of a fully periodic structure, and to generate scattering losses with a consequent increase in the attenuation of the coherent wave field.

Copyright © 1980 by ASME
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