DEM/CFD-DEM modelling of non-spherical particulate systems: theoretical developments and applications

W Zhong, A Yu, X Liu, Z Tong, H Zhang - Powder technology, 2016 - Elsevier
Particles encountered in nature and engineering practice are normally not spherical but of
irregular shapes. Particle shape plays a key role in determining the behaviour of bulk solids …

Challenges and prospects of digital core‐reconstruction research

L Zhu, C Zhang, C Zhang, X Zhou, Z Zhang, X Nie… - …, 2019 - Wiley Online Library
The simulation of various rock properties based on three‐dimensional digital cores plays an
increasingly important role in oil and gas exploration and development. The accuracy of 3D …

Effects of curvature-related DEM contact model on the macro-and micro-mechanical behaviours of granular soils

S Zhao, TM Evans, X Zhou - Géotechnique, 2018 - icevirtuallibrary.com
A comprehensive comparison between the Hertz–Mindlin model and the linear spring model
in true triaxial shear simulations of granular soils was conducted using the discrete-element …

DEM investigation of angle of repose for super-ellipsoidal particles

H Chen, S Zhao, X Zhou - Particuology, 2020 - Elsevier
We explore the effect of particle shape on the angle of repose (AoR) in granular packing
using a three-dimensional discrete element method. Non-spherical particles were modeled …

Numerical and experimental studies of the effect of iron ore particle shape on repose angle and porosity of a heap

H Wei, X Tang, Y Ge, M Li, H Saxén, Y Yu - Powder technology, 2019 - Elsevier
Spherical (pellet), cylindrical and conical iron ore particles were produced to study the effect
of particle shape on repose angle and bottom porosity distribution of a heap formed by …

Packing of discrete and irregular particles

P Tahmasebi - Computers and Geotechnics, 2018 - Elsevier
A new conditional modeling along with a level-set method that can produce high quality and
large packs of irregular particles is proposed. First, an initial pack of particles is generated …

Discrete element method simulations of the inter-particle contact parameters for the mono-sized iron ore particles

T Li, Y Peng, Z Zhu, S Zou, Z Yin - Materials, 2017 - mdpi.com
Aiming at predicting what happens in reality inside mills, the contact parameters of iron ore
particles for discrete element method (DEM) simulations should be determined accurately …

[HTML][HTML] Experimental and numerical study on the orientation distribution of cylindrical particles in random packed beds

P Niegodajew, AP Durajski, P Rajca… - Chemical Engineering …, 2022 - Elsevier
Cylindrical particles are widely employed in chemical engineering when a high surface area
is necessary for process intensification. However, reliable information about the orientation …

Experimental analysis of the orientation distribution of cylindrical particles with different aspect ratios in random packed beds

M Marek, P Niegodajew - Advanced Powder Technology, 2023 - Elsevier
This paper provides new experimental data on the orientation of cylindrical particles
(defined as angle φ between the particle's axis and the line parallel to the column axis) in …

A discrete element study of the effect of particle shape on packing density of fine and cohesive powders

HS Elmsahli, IC Sinka - Computational Particle Mechanics, 2021 - Springer
Fine and cohesive powders typically exhibit low packing density, with solid volume fraction
around 0.3. Discrete element modelling (DEM) of particulate materials and processes …