DEM/CFD-DEM modelling of non-spherical particulate systems: theoretical developments and applications
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 …
irregular shapes. Particle shape plays a key role in determining the behaviour of bulk solids …
Challenges and prospects of digital core‐reconstruction research
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 …
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
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 …
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 …
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 …
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 …
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 …
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 …
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 …
(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 …
around 0.3. Discrete element modelling (DEM) of particulate materials and processes …