EPJ Web Conf.
Volume 140, 2017Powders and Grains 2017 – 8th International Conference on Micromechanics on Granular Media
|Number of page(s)||4|
|Published online||30 June 2017|
Confined granular flows on a heap: from simulations to experiments
1 LUNAM Université, IFSTTAR, MAST, GPEM, F-44340 Bouguenais, France
2 Institut de Physique de Rennes, Université Rennes 1, UMR CNRS 6251, F-35042 Rennes, France
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Published online: 30 June 2017
Surface granular flows are studied by means of discrete element simulations. The investigation of their kinematic properties suggests the existence of two regimes: one close to the jamming, for which the shear rate increases with the angle of the flow, and another one, far from jamming, for which the shear remains constant while the flow rate increases. Although the simulations reproduce experimental results for a given gap between sidewalls, they fail to capture the effect of confinement on the flows’ properties (shear rate, flow height…).
© The Authors, published by EDP Sciences, 2017
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