Abstract
A general solution of Biot's field equations governing small motions of a porous solid saturated by viscous liquid is employed to study the reflection and refraction at the interface between an elastic solid and a liquid-saturated porous solid. The incident wave is assumed to be plane and homogeneous, propagating through the isotropic elastic solid. The poroelastic solid is considered to be a dissipative one. Amplitude and energy ratios are computed numerically for a particular model. With first-order corrections for the porosity of solid and viscosity of liquid, the limiting cases of low and high frequencies are computed.
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Sharma, M.D., Gogna, M.L. Reflection and refraction of plane harmonic waves at an interface between elastic solid and porous solid saturated by viscous liquid. PAGEOPH 138, 249–266 (1992). https://doi.org/10.1007/BF00878898
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DOI: https://doi.org/10.1007/BF00878898