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 …

Plasticity and geophysical flows: A review

C Ancey - Journal of non-Newtonian fluid mechanics, 2007 - Elsevier
The objective of this review is to examine how the concept of plasticity is used in
geophysical fluid dynamics. Rapid mass movements such as snow avalanches or debris …

Frictional velocity-weakening in landslides on Earth and on other planetary bodies

A Lucas, A Mangeney, JP Ampuero - Nature communications, 2014 - nature.com
One of the ultimate goals in landslide hazard assessment is to predict maximum landslide
extension and velocity. Despite much work, the physical processes governing energy …

The granular column collapse as a continuum: validity of a two-dimensional Navier–Stokes model with a μ (I)-rheology

PY Lagrée, L Staron, S Popinet - Journal of Fluid Mechanics, 2011 - cambridge.org
There is a large amount of experimental and numerical work dealing with dry granular flows
(such as sand, glass beads, etc.) that supports the so-called-rheology. The reliability of the …

Collapses of two-dimensional granular columns

G Lube, HE Huppert, RSJ Sparks, A Freundt - Physical Review E—Statistical …, 2005 - APS
The first detailed quantitative observations of the two-dimensional collapse of a granular
column along a horizontal channel are presented for a variety of materials. Together with the …

Erosion and mobility in granular collapse over slo** beds

A Mangeney, O Roche, O Hungr… - Journal of …, 2010 - Wiley Online Library
We describe laboratory experiments of granular material flowing over an inclined plane
covered by an erodible bed, designed to mimic erosion processes of natural flows travelling …

A new SPH-based approach to simulation of granular flows using viscous dam** and stress regularisation

CT Nguyen, CT Nguyen, HH Bui, GD Nguyen… - Landslides, 2017 - Springer
The smoothed particle hydrodynamics (SPH) method was recently extended to simulate
granular materials by the authors and demonstrated to be a powerful continuum numerical …

Granular slum** on a horizontal surface

E Lajeunesse, JB Monnier, GM Homsy - Physics of fluids, 2005 - pubs.aip.org
We report the results of an experimental investigation of the flow induced by the collapse of
a column of granular material (glass beads of diameter d⁠) over a horizontal surface. Two …

[HTML][HTML] 3D DEM investigation of granular column collapse: evaluation of debris motion and its destructive power

S Utili, T Zhao, GT Houlsby - Engineering geology, 2015 - Elsevier
This paper presents a numerical investigation of the behaviour of dry granular flows
generated by the collapse of prismatic columns via 3D Distinct Element Method (DEM) …

Granular collapse in two dimensions

NJ Balmforth, RR Kerswell - Journal of Fluid Mechanics, 2005 - cambridge.org
An experimental investigation is conducted into the collapse of granular columns inside
rectangular channels. The final shape is documented for slumps inside relatively wide …