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Waves concentrated near weak-contrast boundaries

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Abstract

The excitation and propagation of acoustic waves along curvilinear boundaries between two media are investigated. Formal high-frequency asymptotic expressions practicable for approximate calculations in the case of media with slightly different velocities are derived. Dispersion equations and wave excitation coefficients at weak-contrast boundaries are investigated numerically.

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Authors and Affiliations

  1. St. Petersburg State University, ul. Ul’yanovskaya 1, Petrodvorets, St. Petersburg, 198504, Russia

    I. V. Andronov

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  1. I. V. Andronov
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Translated from Akusticheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Zhurnal, Vol. 50, No. 4, 2004, pp. 435–441.

Original Russian Text Copyright © 2004 by Andronov.

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Andronov, I.V. Waves concentrated near weak-contrast boundaries. Acoust. Phys. 50, 363–369 (2004). https://doi.org/10.1134/1.1776211

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