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Characteristics of Biot waves produced by a vibration exciter in a fluid-saturated medium

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Abstract

Results of a theoretical calculation of the directional characteristics of elastic waves excited by an oscillating point force in a fluid-saturated porous medium are presented. Based on Boit’s theory and the theory of elementary acoustic sources, the wave amplitude and radiation power are calculated for two kinds of longitudinal waves and the transverse wave. An analysis of the spatial angular characteristics of elastic waves is performed for two types of rock, namely, water-and gas-saturated sandstones. The angular distributions of vibrations in the solid and liquid (gaseous) phases of the medium and the frequency dependences of the radiation power associated with each of the three types of acoustic waves are presented in graphical form.

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References

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Authors and Affiliations

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

    Yu. M. Zaslavskii

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  1. Yu. M. Zaslavskii
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__________

Translated from Akusticheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Zhurnal, Vol. 51, No. 6, 2005, pp. 759–770.

Original Russian Text Copyright © 2005 by Zaslavski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\).

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Zaslavskii, Y.M. Characteristics of Biot waves produced by a vibration exciter in a fluid-saturated medium. Acoust. Phys. 51, 653–663 (2005). https://doi.org/10.1134/1.2130896

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  • DOI: https://doi.org/10.1134/1.2130896

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