Numerical-based seismic displacement hazard analysis for earth slopes considering spatially variable soils

MX Wang, Q Wu, DQ Li, W Du - Soil Dynamics and Earthquake …, 2023 - Elsevier
This paper presents a numerical-based seismic displacement analysis for slopes
considering the spatial variability of soils. Two generic slope models are developed based …

Effect of heterogeneity of particle properties on the mechanical properties of sandy soil materials

M You, C Zuo, F Tan, J Lv - Computers and Geotechnics, 2024 - Elsevier
The random arrangement of particle composition or the heterogeneity of the particles'
inherent properties is what causes the variability of mechanical parameters in sandy soils …

Analyzing the mechanical behavior of granular materials: A multi-morphological approach using spherical harmonics and LS-DEM

H Jiang, OC Debanath, F Chen, R Kawamoto, Y Li - Powder Technology, 2024 - Elsevier
This paper investigates the micro-to-macro response of granular materials influenced by
multi-scale morphological characteristics using spherical harmonics and LS-DEM. Our …

[HTML][HTML] Constitutive modelling of idealised granular materials using machine learning method

M Wu, Z Xia, J Wang - Journal of Rock Mechanics and Geotechnical …, 2023 - Elsevier
Predicting the constitutive response of granular soils is a fundamental goal in
geomechanics. This paper presents a machine learning (ML) framework for the prediction of …

[HTML][HTML] Effects of recycled aggregates on mechanical and fractural properties of concrete: Insights from DEM modelling

H Zhao, A Zhou - Composites Part A: Applied Science and …, 2024 - Elsevier
Limited understanding of how recycled aggregate (RA) affects the mechanical behaviour of
recycled aggregate concrete (RAC) hinders its widespread adoption for sustainable …

Modeling the single particle crushing behavior by random discrete element method

D Kuang, Z Long, T Zhao, B Luo, I Ogwu… - Construction and Building …, 2024 - Elsevier
Microscopic properties of granular materials typically exhibit significant heterogeneity.
Realistic particle crushing simulation in granular materials requires the use of model that …

Shape-induced clusters of ellipsoids during triaxial compression: A multiscale analysis using LS-DEM

H Jiang, R Kawamoto, Y Li - Computers and Geotechnics, 2024 - Elsevier
In this work, we numerically investigate the quasi-static shear behavior of ellipsoids under
triaxial compression using the level set discrete element method (LS-DEM). Assemblies …

Effects of adhesion and particle shape on mechanical behaviors of lunar regolith under low stress condition-3D DEM study

A Luo, Y Cui, J Nie, G Wang - Computers and Geotechnics, 2024 - Elsevier
Mechanical adhesion among lunar regolith particles significantly influences the shear
characteristics of lunar regolith. However, experimental limitations on Earth and challenges …

[HTML][HTML] Heterogeneities of grain boundary contact for simulation of laboratory-scale mechanical behavior of granitic rocks

X Hu, M Gutierrez, Z Yan - Journal of Rock Mechanics and Geotechnical …, 2024 - Elsevier
From a practical point of view, grain structure heterogeneities are key parameters that
control the rock response and still remains a challenge to incorporate in a quantitative …

DEM modeling of granular soils reinforced by disposable face-mask chips

M Wu, ZY Yin, Y Sun, Y Li, J Wang - Computers and Geotechnics, 2024 - Elsevier
The use of disposable masks, especially in the wake of the COVID-19 pandemic, has led to
an increased focus on sustainable disposal and recycling methods. This study investigates …