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 …
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
Mass-movement hazards involving fast and large soil deformation often include huge rocks
or other significant obstacles increasing tremendously the risks for humans and …
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
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 …
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
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 …
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 …
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 …
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 …
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)
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 …
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 …
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 …
Innovation (CTI)—frame impact experiment conducted by the Swiss Company Geobrugg …