[HTML][HTML] YADE-An extensible framework for the interactive simulation of multiscale, multiphase, and multiphysics particulate systems

V Angelidakis, K Boschi, K Brzeziński, RA Caulk… - Computer Physics …, 2024 - Elsevier
This contribution presents the key elements of YADE, an extensible open-source framework
for dynamic simulations. During the past 19 years, YADE has evolved from “Yet Another …

[HTML][HTML] Experimental investigation of mixing railway ballast grains with different form using large-scale direct shear box apparatus

Á Orosz, Z Farkas, K Tamás - Transportation Geotechnics, 2023 - Elsevier
This paper investigates the effect of grain form on the mechanical behaviour of a railway
ballast aggregate using large-scale shear box tests. The speciality of the research is that …

Efficient DEM simulations of railway ballast using simple particle shapes

B Suhr, K Six - Granular matter, 2022 - Springer
For complex shaped materials, computational efficiency and accuracy of DEM models are
usually opposing requirements. In the literature, DEM models of railway ballast often use …

[HTML][HTML] Scaling granular material with polygonal particles in discrete element modeling

A Ahmadi, S Larsson, C Wersäll - Particuology, 2023 - Elsevier
Despite advancements in computational resources, the discrete element method (DEM) still
requires considerable computational time to solve detailed problems, especially when it …

Particle-scale study on the dynamic properties of hydrate-bearing sediments under cyclic loading

Y Li, W Hu, Z You, T Yu, Y Hao, W Liu, P Wu, Y Song - Ocean Engineering, 2024 - Elsevier
The mechanical properties of hydrate-bearing sediment (HBS) are significantly influenced
by dynamic loads, which is an engineering safety issue and deserves serious attention in …

Behaviour of ballast stabilised with recycled rubber mat under impact loading

T Ngo, B Indraratna, M Coop, Y Qi - Géotechnique, 2023 - icevirtuallibrary.com
During the passage of trains, dynamic impact loads caused by wheel imperfections or rail
abnormalities cause significant ballast degradation. In this study, the use of rubber mats …

[HTML][HTML] Impact of particle arrangement and model dimensions on DEM modeling of high-speed railway ballasted tracks in 2D and 3D

A Ahmadi, C Wersäll, S Larsson - Transportation Geotechnics, 2024 - Elsevier
Modelling railway projects has a main challenge in the discrete element method (DEM). The
granular material of the embankment consists of millions of fine angular particles which are …

Investigation of the Possible Correlations between Specific Characteristics of Crushed Stone Aggregates

L Ézsiás, R Tompa, S Fischer - Spectrum of Mechanical …, 2024 - smeor-journal.org
This study rigorously investigates the interdependencies among a suite of crushed stone
aggregate characteristics to enhance material selection for infrastructure projects. Utilizing …

基于不同颗粒形态模拟方法的道砟三轴试样变形特性对比分析.

薛立华, 肖军华, 张德, 郭云龙… - Engineering Mechanics …, 2023 - search.ebscohost.com
道砟不规则形态是影响有砟道床变形特性的重要因素, 对道砟形状及棱角分布等不同尺度形态
特征的刻画与数值重构仍是道砟仿真研究的热点问题. 该文采用形态重构方法 …

Discrete elements method to model ballast behaviour under railway turnouts

I Villalba Sanchis, A Márquez Castellano… - Cogent …, 2024 - Taylor & Francis
Ballast behaviour has a profound impact on global track performance and durability,
particularly for turnouts where dynamic forces are substantial. As ballast is a discontinuous …