Abstract
Poroelastic fluid-saturated multilayered half-space is considered; particle motion in this half-space is described by Biot-Frenkel equations for two-phase media. A brief description of the derivation of integral and asymptotic representations for wave fields excited by a given surface load is presented; the influence of the porous microstructure on the form of dispersion curves and amplitude characteristics of excited traveling waves is analyzed. It is demonstrated using numerical examples that the amplitude of additional modes occurring due to the presence of a microstructure can be essentially larger than the amplitudes of principal modes present in the waveguide with purely elastic layers.
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