Generation of realistic sand particles with fractal nature using an improved spherical harmonic analysis

D Wei, J Wang, J Nie, B Zhou - Computers and Geotechnics, 2018 - Elsevier
Based on X-ray micro-computed tomography images of natural sand particles, a set of
spherical harmonic descriptors and an associated fractal dimension were introduced to …

DEM investigation of particle anti-rotation effects on the micromechanical response of granular materials

B Zhou, R Huang, H Wang, J Wang - Granular Matter, 2013 - Springer
The importance of particle rotation to the mechanical behavior of granular materials subject
to quasi-static shearing has been well recognized in the literature. Although the physical …

[HTML][HTML] Triaxial tests of soil–rock mixtures with different rock block distributions

HY Zhang, WJ Xu, YZ Yu - Soils and Foundations, 2016 - Elsevier
Triaxial tests on three types of soil–rock mixture (S-RM) samples with the same rock block
content, but different grain size distributions, were performed in this study. To better …

Shape characteristics of granular materials through realistic particle avatars

CS Sandeep, A Hernandez, K Stangeland… - Computers and …, 2023 - Elsevier
The micro-and macroscale mechanical behaviors of granular materials strongly depend on
the morphological features of the grains. Imaging techniques, such as X-ray computed …

Study of anisotropic shear strength of granular materials using DEM simulation

P Fu, YF Dafalias - … for Numerical and Analytical Methods in …, 2011 - Wiley Online Library
This paper investigates shear strength of granular materials with inherent fabric anisotropy.
Most previous studies have described strength of these materials in the principal stress …

On the influence of inter-particle friction and dilatancy in granular materials: a numerical analysis

ZX Yang, J Yang, LZ Wang - Granular matter, 2012 - Springer
Mechanical behavior of granular soils is a classic research realm but still yet not completely
understood as it can be influenced by a large number of factors, including confining …

Numerical simulations of particle behavior and crushing within a pressurized sand damper subjected to cyclic loading

M Karimipetanlar, U El Shamy, KN Kalfas… - Journal of Engineering …, 2024 - ascelibrary.org
This paper presents a discrete element method (DEM) numerical model to elucidate
mechanical behavior, particle crushing, and anisotropy evolution within a pressurized sand …

Investigating the micromechanical evolutions within inherently anisotropic granular materials using discrete element method

E Seyedi Hosseininia - Granular Matter, 2012 - Springer
This paper investigates the mechanical behavior of inherently-anisotropic granular materials
from macroscopic and microscopic points of view. The study is achieved by simulating …

Directional-dependence in the mechanical characteristics of sand: a review

AHJ Al-Rkaby, A Chegenizadeh… - International Journal of …, 2016 - Taylor & Francis
The majority of granular soil is anisotropic material and it exhibits stress–strain variations
depending on principal stress directions. Such directions acting on granular deposits vary …

Random generation of natural sand assembly using micro x-ray tomography and spherical harmonics

B Zhou, J Wang - Géotechnique letters, 2015 - icevirtuallibrary.com
Particle morphology is an essential characteristic in determining the mechanical properties
of natural sands. Based on micro x-ray computed tomography data, this paper introduces a …