The physics of sediment transport initiation, cessation, and entrainment across aeolian and fluvial environments

T Pähtz, AH Clark, M Valyrakis… - Reviews of …, 2020 - Wiley Online Library
Predicting the morphodynamics of sedimentary landscapes due to fluvial and aeolian flows
requires answering the following questions: Is the flow strong enough to initiate sediment …

Microstructural stability of cemented carbides at high temperatures: Modeling the effect on the hot hardness

V Lamelas, MB Rolland, M Walbrühl… - International Journal of …, 2024 - Elsevier
There are several semi-empirical models available in literature that correlate the intrinsic
hardness of cemented carbides' constitutive phases and certain microstructural parameters …

The signature of shear-induced anisotropy in granular media

N Guo, J Zhao - Computers and Geotechnics, 2013 - Elsevier
This paper presents a micro-mechanical study on the characteristics of shear-induced
anisotropy in granular media. Based on three-dimensional Discrete Element Method (DEM) …

Exploring the effects of particle shape and content of fines on the shear behavior of sand-fines mixtures via the DEM

J Gong, Z Nie, Y Zhu, Z Liang, X Wang - Computers and Geotechnics, 2019 - Elsevier
This report explores the effects of particle shape and content of fines on the shear behavior
of sand-fines mixtures using a two-dimensional discrete element method. The contributions …

Suffusion-induced deformation and microstructural change of granular soils: a coupled CFD–DEM study

Z Hu, Y Zhang, Z Yang - Acta Geotechnica, 2019 - Springer
Behaviour of granular soils subjected to internal erosion involves complex coupling between
solid–fluid interaction, skeleton deformation and microstructural evolutions. This paper …

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 …

The effect of size on the strength of coarse rock aggregates and large rockfill samples through experimental data

C Ovalle, E Frossard, C Dano, W Hu, S Maiolino… - Acta Mechanica, 2014 - Springer
Testing the mechanical response of coarse granular materials requires very large and
expensive laboratory equipments. During the 1960s, pioneering experimental programs …

A DEM investigation of the effect of particle-size distribution on one-dimensional compression

NH Minh, YP Cheng - Géotechnique, 2013 - icevirtuallibrary.com
The effect of particle-size distribution on the one-dimensional compressive behaviour of
granular soil materials was investigated using the discrete-element method (DEM), and the …

Effect of gradation on the strength and stress-dilation behavior of coarse-grained soils in drained and undrained triaxial compression

SS Ahmed, A Martinez, JT DeJong - Journal of Geotechnical and …, 2023 - ascelibrary.org
Geotechnical engineering practice commonly estimates the properties and behavior of well-
graded soils using methods and relationships developed based on the behavior of clean …

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 …