A state-of-the-art review of experimental and computational studies of granular materials: properties, advances, challenges, and future directions

P Tahmasebi - Progress in Materials Science, 2023 - Elsevier
Modeling of heterogeneous materials and media is a problem of fundamental importance to
a wide class of phenomena and systems, ranging from condensed matter physics, soft …

Calibration for discrete element modelling of railway ballast: A review

Y Guo, C Zhao, V Markine, G **g, W Zhai - Transportation Geotechnics, 2020 - Elsevier
The discrete element method (DEM) has been confirmed as an effective numerical method
for modelling railway ballast, and successfully used to analyse a wide range of ballast …

[HTML][HTML] Shear-induced anisotropy of granular materials with rolling resistance and particle shape effects

S Zhao, TM Evans, X Zhou - International Journal of Solids and Structures, 2018 - Elsevier
The rolling resistance model has been employed in the discrete element modelling in
geomechanics, as an alternative computationally efficient approach to capture the …

Fourier–Voronoi-based generation of realistic samples for discrete modelling of granular materials

G Mollon, J Zhao - Granular matter, 2012 - Springer
This paper presents a novel method to generate realistic packings for discrete modelling of
granular materials. To generate a packing of 2D dense sample in a container of arbitrary …

3D generation of realistic granular samples based on random fields theory and Fourier shape descriptors

G Mollon, J Zhao - Computer Methods in Applied Mechanics and …, 2014 - Elsevier
The inability of simulating the grain shapes of granular media accurately has been an
outstanding issue preventing particle-based methods such as discrete element method from …

Additive rheology of complex granular flows

TT Vo, S Nezamabadi, P Mutabaruka… - Nature …, 2020 - nature.com
Granular flows are omnipresent in nature and industrial processes, but their rheological
properties such as apparent friction and packing fraction are still elusive when inertial …

Contact dynamics as a nonsmooth discrete element method

F Radjai, V Richefeu - Mechanics of Materials, 2009 - Elsevier
The contact dynamics (CD) method is presented as a discrete element method for the
simulation of nonsmooth granular dynamics at the scale of particle rearrangements where …

Microscopic description of the granular fluidity field in nonlocal flow modeling

Q Zhang, K Kamrin - Physical review letters, 2017 - APS
A recent granular rheology based on an implicit “granular fluidity” field has been shown to
quantitatively predict many nonlocal phenomena. However, the physical nature of the field …

The effect of particle shape on discharge and clogging

A Hafez, Q Liu, T Finkbeiner, RA Alouhali… - Scientific reports, 2021 - nature.com
Granular flow is common across different fields from energy resource recovery and mineral
processing to grain transport and traffic flow. Migrating particles may jam and form arches …

Stress-strain behavior and geometrical properties of packings of elongated particles

E Azéma, F Radjaï - Physical Review E—Statistical, Nonlinear, and Soft …, 2010 - APS
We present a numerical analysis of the effect of particle elongation on the quasistatic
behavior of sheared granular media by means of the contact dynamics method. The particle …