Abstract
To describe the propagation of acoustic surface waves in an anisotropic layer, a six-dimensional complex formalism is introduced, a Hamiltonian is constructed, an analogue of the Rayleigh dissipative function, and an exponential fundamental matrix. Dispersion equations are obtained for a multilayer plate with different conditions on the boundary surfaces. Examples of the application of the Cauchy formalism to the analysis of the dispersion of Lamb waves are given.
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Funding
The author thanks the Russian Foundation for Basic Research (grant nos. 20-08-00419, 18-58-41001, and 19-01-00100) for partial financial support.
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Translated by I. K. Katuev
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Kuznetsov, S.V. Cauchy Formalism in the Theory of Acoustic Surface Waves. Mech. Solids 55, 482–489 (2020). https://doi.org/10.3103/S0025654420040068
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DOI: https://doi.org/10.3103/S0025654420040068