Acta Mechanica Solida Sinica

, Volume 22, Issue 1, pp 85–94 | Cite as

Solutions for cylindrical cavity in saturated thermoporoelastic medium

  • Bing Bai
  • Tao Li


Based on the thermodynamics of irreversible processes, the mass conservation equation and heat energy balance equation are established. The governing equations of thermal consolidation for homogeneous isotropic materials are presented, accounting for the coupling effects of the temperature, stress and displacement fields. The case of a saturated medium with a long cylindrical cavity subjected to a variable thermal loading and a variable hydrostatic pressure (or a variable radial water flux) with time is considered. The analytical solutions are derived in the Laplace transform space. Then, the time domain solutions are obtained by a numerical inversion scheme. The results of a typical example indicate that thermodynamically coupled effects have considerable influences on thermal responses.

Key words

cylindrical cavity boundary conditions irreversible thermodynamics thermo-osmosis Laplace transform 


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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2009

Authors and Affiliations

  • Bing Bai
    • 1
  • Tao Li
    • 1
  1. 1.School of Civil EngineeringBeijing Jiaotong UniversityBeijingChina

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