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Displacement field Produced by a surface source of vibrations in a layered biological tissue

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Abstract

Theoretical expressions for the components of the displacement vector in a three-layer halfspace with linked and slipping layers are obtained for the case of setting an oscillatory pressure distributed evenly over a circular area at the layer surface. Numerical calculations of the displacement field in the medium are performed for the values of the parameters simulating a skin-fat layer-muscle-liver biological system. The dependences of the oscillatory displacements within tissues on the dimensions and oscillation frequency of the surface source of vibration are studied, and the possibilities of using such a source for the implementation of the sonoelastography method are discussed.

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  1. Applied Physics Institute, Russian Academy of Sciences, ul. Ul’yanova 46, Nizhni Novgorod, 603950, Russia

    E. M. Timanin

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  1. E. M. Timanin
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__________

Translated from Akusticheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Zhurnal, Vol. 48, No. 1, 2002, pp. 98–104.

Original Russian Text Copyright © 2002 by Timanin.

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Timanin, E.M. Displacement field Produced by a surface source of vibrations in a layered biological tissue. Acoust. Phys. 48, 87–93 (2002). https://doi.org/10.1134/1.1435395

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