Thirty years of developments in contact modelling of non-spherical particles in DEM: a selective review

YT Feng - Acta Mechanica Sinica, 2023 - Springer
The discrete element method has advanced significantly since it originated in 1979. This
paper aims to provide a selective overview of some major developments on contact …

An energy-conserving contact theory for discrete element modelling of arbitrarily shaped particles: Basic framework and general contact model

YT Feng - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
The first paper of this series establishes a unified theoretical framework that lays a solid
foundation for developing energy-conserving normal contact models for arbitrarily shaped …

[HTML][HTML] Concurrent multi-scale modeling of granular materials: Role of coarse-graining in FEM-DEM coupling

H Cheng, AR Thornton, S Luding, AL Hazel… - Computer Methods in …, 2023 - Elsevier
The finite element method (FEM) is commonly used for modeling continuum media, while
particle simulation methods like the so-called discrete element method (DEM) are used for …

An effective energy-conserving contact modelling strategy for spherical harmonic particles represented by surface triangular meshes with automatic simplification

YT Feng - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
An effective discrete element modelling strategy for triangular mesh represented spherical
harmonic particles is proposed. It features:(1) using a golden spiral lattice on the unit sphere …

A unified level set method for simulating mixed granular flows involving multiple non-spherical DEM models in complex structures

S Wang, S Ji - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
Since the mixed granular flows containing multiple non-spherical DEM models in complex
structures are still challenging for DEM applications, a unified method for creating level set …

DEM and dual-probability-Brownian motion scheme for thermal conductivity of multiphase granular materials with densely packed non-spherical particles and soft …

Z Gong, Y Wu, Z Zhu, Y Wang, Z Liu, W Xu - Computer Methods in Applied …, 2020 - Elsevier
Shape-anisotropic granules and their surrounding interphase networks are significant
constituents in granular materials. Structural and physical configurations of these …

A Systematic Review of Isogeometric Contact Analysis and Its Applications

SK Das, SS Gautam - Archives of Computational Methods in Engineering, 2024 - Springer
The interaction across the contact interfaces has a wide range of applications in many
engineering and industrial processes. The development of computational methods for …

A coupled isogeometric/multi-sphere discrete element approach for the contact interaction between irregular particles and structures

W Gao, YT Feng, C Wang - Powder Technology, 2023 - Elsevier
An isogeometric/multi-sphere discrete-element coupling method is presented to model the
contact or impact between structures and particles with complex shape. This coupling …

A cohesive zone based DE/FE coupling approach for interfacial debonding analysis of laminated glass

W Gao, X Liu, S Chen, TQ Bui, S Yoshimura - Theoretical and Applied …, 2020 - Elsevier
Laminated glass is normally a three-layer sandwiched composite structure, ie two glass
layers and one PVB interlayer. The discrete element/finite element (DE/FE) coupling …

CG-enriched concurrent multi-scale modeling of dynamic surface interactions between discrete particles and solid continua

H Cheng, S Luding, T Weinhart - Acta Mechanica Sinica, 2023 - Springer
The interaction between granular materials and deformable structures is relevant to many
industries, such as mining, construction, and powder processing. Surface coupling between …