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Influence of external electric field on parameters of mechanical waves in saturated porous medium

Tvardovska S.

TASK Quarterly : scientific bulletin of Academic Computer Centre in Gdansk

2013

Vol. 17, No 3-4

215--222

A dispersive equation for plane longitudinal mechanoelectromagnetic waves in a porous medium, saturated by an electrolytic solution and placed in an external electrical field was obtained and investigated. The main attention was paid to the effect of the electric field on the parameters of waves. It was established that the external field could determine the value and sign of the decay coefficient of the waves of the first kind. This allows influencing the mechanoelectromagnetic wave parameters by suitable choosing of the external electric field intensity, which can be useful for seismoelectric investigations of the Earth’s crust.