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Mean stress in a granular medium in dynamics

Abstract : In this paper we propose to construct a mean stress tensor for a granular medium, valid in static and in dynamics, which takes into account the contact reactions and the body forces acting at the grain level. A simple analytical example shows that taking account of inertia forces is essential to insure the symmetry of the mean stress tensor in dynamics. Finally, numerical simulations illustrating this definition of the mean stress tensor are presented for a granular medium ensiled.
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https://hal.archives-ouvertes.fr/hal-00140421
Contributor : Marie-Christine Nodot Connect in order to contact the contributor
Submitted on : Friday, April 6, 2007 - 11:11:59 AM
Last modification on : Thursday, May 12, 2022 - 3:36:42 PM

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Jérôme Fortin, Olivier Millet, Géry de Saxcé. Mean stress in a granular medium in dynamics. Mechanics Research Communications, Elsevier, 2002, 29 (4), pp.235-240. ⟨10.1016/S0093-6413(02)00264-1⟩. ⟨hal-00140421⟩

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