A review of numerical techniques approaching microstructures of crystalline rocks

Y Zhang, LNY Wong - Computers & geosciences, 2018 - Elsevier
The macro-mechanical behavior of crystalline rocks including strength, deformability and
failure pattern are dominantly influenced by their grain-scale structures. Numerical …

Micromechanical investigation of particle-size effect of granular materials in biaxial test with the role of particle breakage

P Wang, ZY Yin, ZY Wang - Journal of Engineering Mechanics, 2022 - ascelibrary.org
Understanding the effect of particle size on the shear strength of granular materials is
important for geotechnical design and construction. However, previous studies show …

A methodical calibration procedure for discrete element models

M Rackl, KJ Hanley - Powder technology, 2017 - Elsevier
Researchers and engineers have widely adopted the discrete element method (DEM) for
simulation of bulk materials. One important aspect in such simulations is the determination of …

DEM analysis of monotonic and cyclic behaviors of sand based on critical state soil mechanics framework

X Gu, J Zhang, X Huang - Computers and Geotechnics, 2020 - Elsevier
A series of monotonic and cyclic triaxial shearing tests on Toyoura sand are simulated by
discrete element method (DEM) incorporating rolling resistance. The input parameters are …

Recent Development on Macro–Micro Mechanism of Soil-Structure Interface Shearing Through DEM

WB Chen, WH Zhou, ZY Yin - Archives of Computational Methods in …, 2023 - Springer
The emergence of the discrete element method (DEM) provides a powerful tool to
investigate the macro–micro mechanism of soil-structure interface (SSI). Understanding the …

[HTML][HTML] Modelling real particle shape in DEM: a comparison of two methods with application to railway ballast

M Tolomeo, GR McDowell - International Journal of Rock Mechanics and …, 2022 - Elsevier
Two different methods for the modelling of real particle shape in 3D DEM simulations are
assessed in this paper. The first method uses overlapping spheres (clumps), while the …

Micro-mechanical analysis of soil–structure interface behavior under constant normal stiffness condition with DEM

P Wang, ZY Yin, WH Zhou, W Chen - Acta Geotechnica, 2021 - Springer
The mechanical behavior at soil–structure interface (SSI) has a crucial influence on the
safety and stability of geotechnical structures. However, the behavior of SSI under constant …

Grading evolution and critical state in a discrete numerical model of Fontainebleau sand

MO Ciantia, M Arroyo, C O'Sullivan, A Gens… - …, 2019 - icevirtuallibrary.com
Granular materials reach critical states upon shearing. The position and shape of a critical
state line (CSL) in the compression plane are important for constitutive models …

Exploring packing density, critical state, and liquefaction resistance of sand-fines mixture using DEM

K Zuo, X Gu, J Zhang, R Wang - Computers and Geotechnics, 2023 - Elsevier
A series of monotonic and cyclic triaxial shearing tests are simulated by discrete element
method (DEM) to explore packing density, critical state, and liquefaction resistance of sand …

Effect of particle breakage on the behavior of soil-structure interface under constant normal stiffness condition with DEM

P Wang, ZY Yin - Computers and Geotechnics, 2022 - Elsevier
Previous studies show that extensive particle breakage occurs at the soil-structure interface,
which may influence the shear strength, but a corresponding comprehensive micro …