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Coupled Hydromechanical Model of Two-Phase Fluid Flow in Deformable Porous Media

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  • You-Seong Kim
  • Jaehong Kim

Abstract

A model of solid-water-air coupling in triphasic mixtures is compared with solid-water coupling in biphasic mixtures with an application to partially saturated porous media. Based on thermodynamics, the mathematical framework governing the behavior of a partially saturated soil is derived using balance equations, and the numerical implementation and drainage tests of a soil column are carried out to validate the obtained formulations. The role of the air phase in the hydro-mechanical behavior of triphasic mixtures can be analyzed from the interactions among multiple phases for the constitutive behavior of a solid skeleton, and the triphasic mixture model can be applied in geotechnical engineering problems, such as sequestration and air storage in aquifers.

Suggested Citation

  • You-Seong Kim & Jaehong Kim, 2013. "Coupled Hydromechanical Model of Two-Phase Fluid Flow in Deformable Porous Media," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-8, September.
    • Handle: RePEc:hin:jnlmpe:589452
    DOI: 10.1155/2013/589452
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