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 …
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 …
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
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 …
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 …
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 …
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 …
Shape-anisotropic granules and their surrounding interphase networks are significant
constituents in granular materials. Structural and physical configurations of these …
constituents in granular materials. Structural and physical configurations of these …
A Systematic Review of Isogeometric Contact Analysis and Its Applications
The interaction across the contact interfaces has a wide range of applications in many
engineering and industrial processes. The development of computational methods for …
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 …
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
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 …
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
The interaction between granular materials and deformable structures is relevant to many
industries, such as mining, construction, and powder processing. Surface coupling between …
industries, such as mining, construction, and powder processing. Surface coupling between …