An elastic mode parabolic equation in the case of weak shear modulus

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Jan 2015Publisher:Acoustical Society of America (ASA)Journal:Proceedings of Meetings on Acoustics (issn: 1939-800X,

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Authors: Mikhail Y. Trofimov; Sergey B. Kozitskiy; Alena D. Zakharenko;

doi: 10.1121/2.0000188

An elastic mode parabolic equation in the case of weak shear modulus

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Abstract

We derive an elastic mode parabolic equation using the multiple-scale expansion method. The ratio of a typical wavelength to a typical size of horizontal inhomogeneities is chosen as a small parameter. The shear modulus is assumed to be of the order of the small parameter. The derived equation can be used for the efficient solution of the seismoacoustic propagation problems when the influence of elastic solid effects in the ocean bottom is essential.

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