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  • Article
  • Open Access

Surface wave propagation in a fluid saturated incompressible porous half-space lying under two layers of different liquids

Earth, Planets and Space200759:BF03352031

https://doi.org/10.1186/BF03352031

  • Received: 28 September 2006
  • Accepted: 28 June 2007
  • Published:

Abstract

A study of surface wave propagation in a fluid saturated incompressible porous half-space lying under a double-layer consisting of non-homogeneous and homogeneous liquids is presented. The frequency equation connecting the phase velocity with wave number is derived. Special cases as: (i) Rayleigh type surface waves in an incompressible poro-elastic half-space lying under a uniform layer of a homogeneous liquid, (ii) Rayleigh type surface waves in an incompressible poro-elastic half-space lying under a uniform layer of a non-homogeneous liquid and (iii) Rayleigh type surface waves propagating along the free surface of a fluid saturated incompressible porous elastic half-space, are investigated. Numerical results with graphical presentations of the variations of phase velocity with wave number for different cases are also included.

Key words

  • Incompressible porous medium
  • volume fractions
  • frequency equation
  • phase velocity
  • wave number

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