Calibration for discrete element modelling of railway ballast: A review

Y Guo, C Zhao, V Markine, G Jing, W Zhai - Transportation Geotechnics, 2020 - Elsevier
The discrete element method (DEM) has been confirmed as an effective numerical method
for modelling railway ballast, and successfully used to analyse a wide range of ballast …

[HTML][HTML] A review of particle damping modeling and testing

L Gagnon, M Morandini, GL Ghiringhelli - Journal of Sound and Vibration, 2019 - Elsevier
This survey provides an overview of the different approaches seen in the literature
concerning particle damping. The emphasis is on particle dampers used on beams vibrating …

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 …

[HTML][HTML] Physics-guided, data-refined modeling of granular material-filled particle dampers by deep transfer learning

X Ye, YQ Ni, M Sajjadi, YW Wang, CS Lin - Mechanical Systems and Signal …, 2022 - Elsevier
This study presents a novel transfer learning (TL)-based multi-fidelity modeling approach for
a set of granular material-filled particle dampers (PDs) with varying cavity height and particle …

Investigating the effects of Fourier-based particle shape on the shear behaviors of rockfill material via DEM

Z Nie, Y Zhu, X Wang, J Gong - Granular Matter, 2019 - Springer
This report investigates the effects of Fourier-based particle shape on the macroscopic and
microscopic shear responses of rockfill material via a series of numerical biaxial …

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 …

Jamming in granular shear flows of frictional, polydisperse cylindrical particles

J Hao, Y Li, Y Liu, JS Curtis, Y Guo - Advanced Powder Technology, 2021 - Elsevier
In this work, frictional, cylindrical particle shear flows with different size distributions
(monodisperse, binary, Gaussian, uniform) are simulated using the Discrete Element …

DEM modelling of railway ballast using the Conical Damage Model: a comprehensive parametrisation strategy

B Suhr, WA Skipper, R Lewis, K Six - Granular Matter, 2022 - Springer
Despite ongoing research, the parametrisation of a DEM model is a challenging task, as it
depends strongly on the particle shape representation used, particle-particle contact law …

Prediction ability of discrete element model of loose granular media subjected to complex loadings

B Al Tfaily, L Sibille, RA Hosn, A Bennabi - Powder Technology, 2024 - Elsevier
The discrete numerical method is recognized today as a powerful method to describe the
constitutive behaviour of granular media at both the scale of particles and the scale of the …

Constitutive response predictions of both dense and loose soils with a discrete element model

L Sibille, N Benahmed, F Darve - Computers and Geotechnics, 2021 - Elsevier
The capability of a discrete element model to predict the constitutive response of a soil is
investigated in this paper. The discrete model is constituted of spherical particles with a …