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Modeling Internal Erosion in Porous Media
Internal erosion processes in geomaterials like fluid-saturated sand-gravel layers play a significant role in geotechnical and petroleum engineering. We suggest a general modeling framework within such a solid-liquid phase transition phenomenon can be described. The phenomenological continuum-based model is formulated within the thermodynamically-consistent Theory of Porous Media. The mixture consists of four constituents. Furthermore, mass exchange between a solid and a liquid phase is taken into account. The hydromechanically-driven erosion process is mainly described by the constitutive equation of mass production. The degradation of the stiffness of the solid skeleton is taken into account by a damage-like behavior.
Modeling Internal Erosion in Porous Media
Internal erosion processes in geomaterials like fluid-saturated sand-gravel layers play a significant role in geotechnical and petroleum engineering. We suggest a general modeling framework within such a solid-liquid phase transition phenomenon can be described. The phenomenological continuum-based model is formulated within the thermodynamically-consistent Theory of Porous Media. The mixture consists of four constituents. Furthermore, mass exchange between a solid and a liquid phase is taken into account. The hydromechanically-driven erosion process is mainly described by the constitutive equation of mass production. The degradation of the stiffness of the solid skeleton is taken into account by a damage-like behavior.
Modeling Internal Erosion in Porous Media
Steeb, Holger (author) / Diebels, Stefan (author) / Vardoulakis, Ioannis (author)
Geo-Denver 2007 ; 2007 ; Denver, Colorado, United States
2007-10-14
Conference paper
Electronic Resource
English
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