Application and Research on the Model of Saturated-Unsaturated Porous Material Coupling Hydro-Thermal-Mechanical Process

Yu Hang Xu; Chang Wu Liu

doi:10.4028/www.scientific.net/AMR.463-464.1559

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 463-464Application and Research on the Model of...

Application and Research on the Model of Saturated-Unsaturated Porous Material Coupling Hydro-Thermal-Mechanical Process

Abstract:

The study of hydro-thermal-mechanical process coupling in unsaturated porous material is very important due to its close relationship with environmental geomechanics engineering. The model established upon the deforming porous material mechanics is analyzed in this study. This model takes into consideration the phase change and heat effects. Four balance equations associated with four state variables including gas pressure, capillary pressure, temperature and displacement are imposed. Besides, the governing equations are discretized with the selected Galerkin method and the program has been developed. Using this program simulates two experiments, which representing the saturated non-isothermal consolidation phenomenon and rainfall experiment respectively. The results revealed that this multi-field coupled model is a useful tool to analyze the porous material that coupled with hydro-thermal-mechanical process.

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Periodical:

Advanced Materials Research (Volumes 463-464)

Pages:

1559-1563

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.463-464.1559

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Online since:

February 2012

Authors:

Yu Hang Xu, Chang Wu Liu

Keywords:

Model of Coupling Hydro-Thermal-Mechanical Process, Multiphase Flow, Numerical Simulation, Porous Material

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