Granular and particle-laden flows: from laboratory experiments to field observations

R Delannay, A Valance, A Mangeney… - Journal of Physics D …, 2017 - iopscience.iop.org
This review article provides an overview of dry granular flows and particle fluid mixtures,
including experimental and numerical modeling at the laboratory scale, large scale …

[HTML][HTML] Rheological properties of dense granular flows

P Jop - Comptes rendus physique, 2015 - Elsevier
Recent progresses in understanding the behavior of dense granular flows are presented.
After presenting a bulk rheology of granular materials, I focus on the new developments to …

Dense granular flow rheology in turbulent bedload transport

R Maurin, J Chauchat, P Frey - Journal of Fluid Mechanics, 2016 - cambridge.org
The local granular rheology is investigated numerically in turbulent bedload transport.
Considering spherical particles, steady uniform configurations are simulated using a …

Simulating asteroid rubble piles with a self-gravitating soft-sphere distinct element method model

P Sánchez, DJ Scheeres - The Astrophysical Journal, 2011 - iopscience.iop.org
This paper applies a soft-sphere distinct element method Granular Dynamics code to
simulate asteroid regolith and rubble piles. Applications to regolith studies in low gravity are …

DEM simulation of rotation-induced reshaping and disruption of rubble-pile asteroids

DP Sánchez, DJ Scheeres - Icarus, 2012 - Elsevier
A Soft-Sphere Discrete Element Method (SSDEM) is used to simulate the rotational
reshaping and disruption of cohesionless self-gravitating granular aggregates (as a …

Extended kinetic theory for granular flow over and within an inclined erodible bed

D Berzi, JT Jenkins, P Richard - Journal of Fluid Mechanics, 2020 - cambridge.org
We employ kinetic theory, extended to incorporate the influence of velocity correlations,
friction and particle stiffness, and a model for rate-independent, elastic components of the …

Towards dense, realistic granular media in 2D

S Luding - Nonlinearity, 2009 - iopscience.iop.org
The development of an applicable theory for granular matter—with both qualitative and
quantitative value—is a challenging prospect, given the multitude of states, phases and …

Effective wall friction in wall-bounded 3D dense granular flows

R Artoni, P Richard - Physical review letters, 2015 - APS
We report numerical simulations on granular shear flows confined between two flat but
frictional sidewalls. Novel regimes differing by their strain localization features are observed …

Glassy dynamics of landscape evolution

B Ferdowsi, CP Ortiz… - Proceedings of the …, 2018 - National Acad Sciences
Soil creeps imperceptibly downhill, but also fails catastrophically to create landslides.
Despite the importance of these processes as hazards and in sculpting landscapes, there is …

Cohesive regolith on fast rotating asteroids

P Sánchez, DJ Scheeres - Icarus, 2020 - Elsevier
The migration of cohesive regolith on the surface of an otherwise monolithic or strong
asteroid is studied using theoretical and simulation models. The theory and simulations …