The role of particle shape in computational modelling of granular matter

J Zhao, S Zhao, S Luding - Nature Reviews Physics, 2023 - nature.com
Granular matter is ubiquitous in nature and is present in diverse forms in important
engineering, industrial and natural processes. Particle-based computational modelling has …

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 …

现代土力学研究的新视野——宏微观土力学

蒋明镜 - 岩土工程学报, 2019 - cgejournal.com
随着岩土工程领域的不断拓展, 特别是在深地, 深海, 深空工程(“三深工程”)
方面需要面对更多复杂的岩土材料和环境条件. 基于连续介质和唯象的常规土力学理论与方法在 …

Calibration of the discrete element method

CJ Coetzee - Powder Technology, 2017 - Elsevier
The discrete element method (DEM) is used to model granular materials and analyse a wide
range of related applications. However, accurate predictions can only be made if the input …

Traditional soil particle sphericity, roundness and surface roughness by computational geometry

J Zheng, RD Hryciw - Géotechnique, 2015 - icevirtuallibrary.com
Definitions of soil particle sphericity, roundness and roughness have existed since at least
the 1930s. In the 1950s, charts of typical sphericity and roundness values were developed to …

A novel three-dimensional contact model for granulates incorporating rolling and twisting resistances

M Jiang, Z Shen, J Wang - Computers and Geotechnics, 2015 - Elsevier
This paper presents a new three-dimensional (3D) contact model incorporating rolling and
twisting resistances at inter-particle contact, which can be introduced into the discrete …

Three-dimensional sphericity, roundness and fractal dimension of sand particles

B Zhou, J Wang, H Wang - Géotechnique, 2018 - icevirtuallibrary.com
Particle morphological features at different scale levels hold the key to understanding the
geological origin and mechanical behaviour of natural sands. In this context, it is necessary …

[HTML][HTML] Numerical modelling of large deformation problems in geotechnical engineering: A state-of-the-art review

CE Augarde, SJ Lee, D Loukidis - Soils and Foundations, 2021 - Elsevier
Many problems in geotechnical engineering involve large movements or rotations,
examples include natural processes such as landslides, and man-made processes such as …

Micromorphology characterization and reconstruction of sand particles using micro X-ray tomography and spherical harmonics

B Zhou, J Wang, B Zhao - Engineering geology, 2015 - Elsevier
The particle micromorphology created by geological processes is an essential characteristic
in determining the mechanical properties of natural sands. Based on micro X-ray computed …

A poly‐superellipsoid‐based approach on particle morphology for DEM modeling of granular media

S Zhao, J Zhao - … Journal for Numerical and Analytical Methods …, 2019 - Wiley Online Library
Particle morphology plays a key role in affecting physical and mechanical behaviors of
granular media. While various mathematical approaches and shape descriptors have been …