The role of particle shape in computational modelling of granular matter
Granular matter is ubiquitous in nature and is present in diverse forms in important
engineering, industrial and natural processes. Particle-based computational modelling has …
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
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 …
a wide class of phenomena and systems, ranging from condensed matter physics, soft …
Calibration of the discrete element method
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 …
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
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 …
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
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 …
twisting resistances at inter-particle contact, which can be introduced into the discrete …
Three-dimensional sphericity, roundness and fractal dimension of sand particles
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 …
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
Many problems in geotechnical engineering involve large movements or rotations,
examples include natural processes such as landslides, and man-made processes such as …
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
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 …
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
Particle morphology plays a key role in affecting physical and mechanical behaviors of
granular media. While various mathematical approaches and shape descriptors have been …
granular media. While various mathematical approaches and shape descriptors have been …
3D generation of realistic granular samples based on random fields theory and Fourier shape descriptors
The inability of simulating the grain shapes of granular media accurately has been an
outstanding issue preventing particle-based methods such as discrete element method from …
outstanding issue preventing particle-based methods such as discrete element method from …