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4 papers · 2 filters
Grain-scale Modeling and Splash Parametrization for Aeolian Sand Transport
Marc Lämmel, Kamil Dzikowski, Luc Oger +2
The collision of a spherical grain with a granular bed is commonly parametrized by the splash function, which provides the velocity of the rebounding grain and the velocity distrib…
Pressure dependent friction on granular slopes close to avalanche
Jérôme Crassous, Antoine Humeau, Samuel Boury +1
We investigate the sliding of objects on an inclined granular surface close to the avalanche threshold. Our experiments show that the stability is driven by the surface deformation…
Eshelby inclusions in granular matter: theory and simulations
Sean Mcnamara, Jérôme Crassous, Axelle Amon
We present a numerical implementation of an active inclusion in a granular material submitted to a biaxial test. We discuss the dependence of the response to this perturbation on t…
Spatial repartition of local plastic processes in different creep regimes in a granular material
A Pons, T Darnige, Jérôme Crassous +2
Granular packings under constant shear stress display below the Coulomb limit, a logarithmic creep dynamics. However the addition of small stress modulations induces a linear creep…