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Acoustic Scattering by a Finite Elastic Strip

J. F. M. Scott
Philosophical Transactions: Physical Sciences and Engineering
Vol. 338, No. 1649 (Jan. 15, 1992), pp. 145-167
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/53905
Page Count: 23
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Acoustic Scattering by a Finite Elastic Strip
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Abstract

A method for exact reduction of finite Wiener-Hopf type diffraction problems to an infinite set of simultaneous equations is presented. The problem considered is that of acoustic scattering by a finite elastic strip. The numerical implementation of the method is described and the truncation of the infinite set of equations is shown to converge to the full solution as the number of equations and unknowns goes to infinity. Results of the numerical computations are given and show effects of the leaky wave above the coincidence frequency of the plate and resonances below that frequency.

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