Discrete element model for general polyhedra

AG Neto, P Wriggers - Computational Particle Mechanics, 2022 - Springer
We present a version of the Discrete Element Method considering the particles as rigid
polyhedra. The Principle of Virtual Work is employed as basis for a multibody dynamics …

A partitioned material point method and discrete element method coupling scheme

V Singer, KB Sautter, A Larese, R Wüchner… - Advanced Modeling and …, 2022 - Springer
Mass-movement hazards involving fast and large soil deformation often include huge rocks
or other significant obstacles increasing tremendously the risks for humans and …

[HTML][HTML] A methodology for calibrating parameters in discrete element models based on machine learning surrogates

J Irazábal, F Salazar, DJ Vicente - Computational Particle Mechanics, 2023 - Springer
The discrete element method (DEM) is well suited for calculating the behaviour of bulk
materials. However, its application is limited because of the cumbersome calibration process …

Research on the dynamic behaviour of the railway ballast assembly subject to the low loading condition based on a tridimensional DEM-FDM coupled approach

L Li, W Liu, M Ma, G Jing, W Liu - Construction and Building Materials, 2019 - Elsevier
To gain insight into how dynamic energy transmits within the ballasted assembly, a three-
dimensional coupled model that accounts for both the discrete element method (DEM) and …

Effects of ellipsoidal shapes on sound velocity in particle systems: From spherical to elongated shapes

Y Zhu, L Bao, C Li, C Zhao - Powder Technology, 2025 - Elsevier
The study of acoustic properties within particle systems is of great significance for inverting
system structures, designing soundproofing, or sound-guiding materials. To investigate the …

Advanced modeling and simulation of rockfall attenuator barriers via partitioned DEM-FEM coupling

KB Sautter, H Hofmann, C Wendeler… - Frontiers in Built …, 2021 - frontiersin.org
Attenuator barriers, in contrast to conventional safety nets, tend to smoothly guide impacting
rocks instead of absorbing large amounts of strain energy arresting them. It has been shown …

Discrete element method simulation of high-speed vehicle collisions with road barrier systems

AK Habtemariam, L Brunnabend, K Fischer… - Computational Particle …, 2024 - Springer
The behavior of road or perimeter protection barriers under vehicle impact are usually
investigated based on crash tests and finite element (FE) numerical approaches, which are …

[HTML][HTML] Efficient explicit time integration algorithms for non-spherical granular dynamics on group S (3)

Z Li, J Chen, Q Tian, H Hu - Computational Particle Mechanics, 2024 - Springer
Discrete element method (DEM) is a powerful tool for the dynamic simulation of irregular non-
spherical particle systems. The efficient integration of the rotational motions of numerous …

Length measurement of chain-like structure of micron magnetic particles dispersing in carrier fluid effected by magnetic field

Z Zhu, S Wu, C Zhang, J Zhou - Journal of Superconductivity and Novel …, 2021 - Springer
The chain-like structure and motion of the magnetic particles (MPs) in magnetorheological
fluid (MRF) determine the rheological properties of MRF. In order to investigate the …

Influence of DE-cluster refinement on numerical analysis of rockfall experiments

KB Sautter, H Hofmann, C Wendeler… - Computational Particle …, 2021 - Springer
A numerical analysis is validated against a Swiss Federal Commission for Technology and
Innovation (CTI)—frame impact experiment conducted by the Swiss Company Geobrugg …