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- W1523957071 abstract "This paper presents a study of mesh dependence and loss of the uniqueness solution in numerical computations after the post-localisation regime. In this objective, a classical geotechnical problem (excavation of a cavity) is analysed. Different numerical techniques can be applied for obtain a model with mesh insensitivity of the results. In the first part, we considered the material as porous with interactions between the porous skeleton and the fluid phases. However, the results show the mesh dependence (Collin et al.). In the second part, we used a «local » secondgradient elastoplastic model which clearly allows mesh-independent (Takashi et al. (2002)). Nevertheless uniqueness solution isn’t obtained. It’s seem identical in the experimental study (Van den Hoek (2001), Chen (1998)). localisation ; hydromecanique ; second gradient" @default.
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- W1523957071 date "2007-08-28" @default.
- W1523957071 modified "2023-09-26" @default.
- W1523957071 title "Objectivité de la solution d'un problème d'excavation de cavité" @default.
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