On localization modes in coupled thermo-hydro-mechanical problems |
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Authors: | Ahmed Benallal |
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Affiliation: | Laboratoire de mécanique et technologie, ENS de Cachan, 61, avenue du Président Wilson, 94235 Cachan cedex, France |
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Abstract: | A perturbation approach is used to study localization phenomena in saturated porous media when thermo-mechanical loadings and thermo-hydro-mechanical couplings are fully taken into account. We show that various types of localization modes are possible depending on the constitutive behavior and loading conditions. Examination of the associated conditions in the light of the classical band approach reveals that the differences between these modes lie in their structure which may involve jumps in different variables (beside the velocity gradient) such as the gradients of heat and fluid fluxes, the temperature and the pressure rates. To cite this article: A. Benallal, C. R. Mecanique 333 (2005). |
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Keywords: | Porous media Localization Thermo-hydro-mechanical coupling Perturbation Milieux poreux Localisation Couplage thermo-hydro-mécanique Perturbation |
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