Calibration for discrete element modelling of railway ballast: A review
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 …
for modelling railway ballast, and successfully used to analyse a wide range of ballast …
Smart railway sleepers-a review of recent developments, challenges, and future prospects
To date, the application of self-sensing or other structural health monitoring (SHM)
technologies in railway sleepers is limited. Development and deployment of smart sleepers …
technologies in railway sleepers is limited. Development and deployment of smart sleepers …
[HTML][HTML] Railway ballast performance: recent advances in the understanding of geometry, distribution and degradation
Railway ballast performance is dictated by a complex mix of mechanical properties. These
effect its performance at the particle level for example in terms of particle degradation, but …
effect its performance at the particle level for example in terms of particle degradation, but …
State-of-the-art review of ground penetrating radar (GPR) applications for railway ballast inspection
In the past 20 years, many studies have been performed on ballast layer inspection and
condition evaluation with ground penetrating radar (GPR). GPR is a non-destructive means …
condition evaluation with ground penetrating radar (GPR). GPR is a non-destructive means …
[HTML][HTML] YADE-An extensible framework for the interactive simulation of multiscale, multiphase, and multiphysics particulate systems
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 …
for dynamic simulations. During the past 19 years, YADE has evolved from “Yet Another …
Superposition‐based concurrent multiscale approaches for poromechanics
Superposition‐based concurrent multiscale approaches for poromechanical problems
aimed at resolving localized fluid flow and deformation of a solid skeleton including its …
aimed at resolving localized fluid flow and deformation of a solid skeleton including its …
Two-dimensional DEM-FEM coupling analysis of seismic failure and anti-seismic measures for concrete faced rockfill dam
Y Qu, D Zou, J Liu, Z Yang, K Chen - Computers and Geotechnics, 2022 - Elsevier
The concrete faced rockfill dam is composed of granular materials and the failure pathways
typically exhibits multi-scale mechanical behavior. In this paper, a 2D polygonal DEM-FEM …
typically exhibits multi-scale mechanical behavior. In this paper, a 2D polygonal DEM-FEM …
Contact between rigid convex NURBS particles based on computer graphics concepts
MV Craveiro, AG Neto, P Wriggers - Computer Methods in Applied …, 2021 - Elsevier
In the discrete element method (DEM), the geometric description of each particle is important
for the overall system behavior. However, increasing complexity of particles also augments …
for the overall system behavior. However, increasing complexity of particles also augments …
Discrete element analysis of shape effect on the shear behaviors of ballast
W Hou, A Li, W Song - Scientific Reports, 2023 - nature.com
Railway ballast layer is an indispensable component of railway transport. Ballast
morphology plays an important effect in ballast-sleeper interaction and the durability of …
morphology plays an important effect in ballast-sleeper interaction and the durability of …
Study on structural health monitoring of vertical vibration of ballasted track in high-speed railway
G Liu, P Li, P Wang, J Liu, J Xiao, R Chen… - Journal of Civil Structural …, 2021 - Springer
The ballasted track structure of a high-speed railway repeatedly bears the action of vehicle
loads, and the vibration energy is gradually diluted and dissipated due to the ballasted bed …
loads, and the vibration energy is gradually diluted and dissipated due to the ballasted bed …