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Elastic waves in layered media: Two-scale homogenization approach

  • V. V. SHELUKHIN (a1) and A. E. ISAKOV (a1)

Abstract

Using the two-scale convergence approach, we derive equations which govern transversal time-harmonic waves through a layered medium taking the form of a poroelastic composite saturated with a viscous fluid. To improve convergence, we construct a corrector. We study how wave speed and attenuation time depend on porosity and frequency. We prove that the Darcy permeability and the acoustic permeability in the Biot equations do not coincide.

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Keywords

Elastic waves in layered media: Two-scale homogenization approach

  • V. V. SHELUKHIN (a1) and A. E. ISAKOV (a1)

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