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 …

Yade documentation

V Smilauer, V Angelidakis, E Catalano, R Caulk… - arXiv preprint arXiv …, 2023 - arxiv.org
Yade is an extensible open-source framework for discrete numerical models, focused on the
Discrete Element Method. The computation parts are written in c++ using a flexible object …

Discrete numerical modeling of loose soil with spherical particles and interparticle rolling friction

R Aboul Hosn, L Sibille, N Benahmed, B Chareyre - Granular matter, 2017 - Springer
Discrete numerical simulations were carried out to reproduce experimental results obtained
on loose cohesionless soil samples subjected to triaxial tests. Periodic boundary conditions …

Experimental and numerical investigations on the shear behaviour of recycled railway ballast

W Jia, V Markine, Y Guo, G Jing - Construction and Building Materials, 2019 - Elsevier
Ballast degradation is frequently observed under cyclic loading, and results in bearing
capacity and drainage problem of ballast track. To keep the stability and safety, periodical …

Influence of various DEM shape representation methods on packing and shearing of granular assemblies

B Soltanbeigi, A Podlozhnyuk, C Kloss, S Pirker, JY Ooi… - Granular Matter, 2021 - Springer
Realistic yet efficient representation of particle shape is a major challenge for the Discrete
Element Method. This paper uses angle-of-repose and direct-shear test simulations to …

Comparison of two different types of railway ballast in compression and direct shear tests: experimental results and DEM model validation

B Suhr, S Marschnig, K Six - Granular matter, 2018 - Springer
Railway ballast is an angular and coarse material, which demands careful DEM modelling
and validation. Particle shape is often modelled in high accuracy, thus leading to …

Parametrisation of a DEM model for railway ballast under different load cases

B Suhr, K Six - Granular matter, 2017 - Springer
The prediction quality of discrete element method (DEM) models for railway ballast can be
expected to depend on three points: the geometry representation of the single particles, the …

Study of the die compaction of powders to high relative densities using the discrete element method

S Garner, J Strong, A Zavaliangos - Powder technology, 2018 - Elsevier
The mechanical behavior of powders during die compaction was investigated using the
discrete element method (DEM), in which powders are modeled as discrete particles with …

A coupled sliding and rolling friction model for DEM calibration

Z Syed, M Tekeste, D White - Journal of Terramechanics, 2017 - Elsevier
The accuracy of dense Discrete Element Method (DEM) simulations is sensitive to initial
density, contact orientation, particle size and shape, and interparticle interaction parameters …

Lattice Boltzmann method/computational fluid dynamics-discrete element method applications for transport and packing of non-spherical particles during geo-energy …

D Fan, H Hou, J Zeng, B Yuan, Z Lv, Y Chen, Y Li… - Physics of …, 2024 - pubs.aip.org
Understanding the behavior of dispersed particles in subsurface porous media is essential
for studying many transport phenomena in geo-energy exploration. Relevant phenomena …