Experimental methods in chemical engineering: Unresolved CFD‐DEM

A Bérard, GS Patience, B Blais - The Canadian Journal of …, 2020 - Wiley Online Library
CFD‐DEM combines computational fluid dynamics (CFD), which solves the equation of
motion of gas or liquids, with the discrete element method (DEM), a simulation technique …

Animating fluid sediment mixture in particle-laden flows

M Gao, A Pradhana, X Han, Q Guo, G Kot… - ACM Transactions on …, 2018 - dl.acm.org
In this paper, we present a mixed explicit and semi-implicit Material Point Method for
simulating particle-laden flows. We develop a Multigrid Preconditioned fluid solver for the …

Predicting the permeability coefficient of polydispersed sand via coupled CFD–DEM simulations

S Xu, Y Zhu, Y Cai, H Sun, H Cao, J Shi - Computers and Geotechnics, 2022 - Elsevier
Permeability is one of the most fundamental properties of soil, which governs many
geotechnical engineering problems. However, among the published equations that predict …

Numerical simulation for coastal morphodynamics using DEM-MPS method

E Harada, H Ikari, T Tazaki, H Gotoh - Applied Ocean Research, 2021 - Elsevier
Numerical simulations were performed for morphodynamics with free water surface
fluctuation using the DEM-MPS method, which employs the discrete element method (DEM) …

Turbidity currents propagating down an inclined slope: particle auto-suspension

J Xie, P Hu, C Zhu, Z Yu, T Pähtz - Journal of Fluid Mechanics, 2023 - cambridge.org
The turbidity current (TC), a ubiquitous fluid–particle coupled phenomenon in the natural
environment and engineering, can transport over long distances on an inclined terrain due …

Calculation of particle volume fraction in computational fluid dynamics-discrete element method simulation of particulate flows with coarse particles

Y Zhang, WL Ren, P Li, XH Zhang, XB Lu - Physics of Fluids, 2023 - pubs.aip.org
Computational fluid dynamics-discrete element method is frequently used for modeling
particulate flows due to its high efficiency and satisfactory accuracy. The particle volume …

[HTML][HTML] Modelling erosion of a single rock block using a coupled CFD-DEM approach

P Teng, F Johansson, JGI Hellström - Journal of Rock Mechanics and …, 2023 - Elsevier
Rock block removal is the prevalent physical mechanism for rock erosion and could affect
the stability of dam foundations and spillways. Despite this, understanding of block removal …

An Eulerian two-phase model for steady sheet flow using large-eddy simulation methodology

Z Cheng, TJ Hsu, J Chauchat - Advances in Water Resources, 2018 - Elsevier
A three-dimensional Eulerian two-phase flow model for sediment transport in sheet flow
conditions is presented. To resolve turbulence and turbulence-sediment interactions, the …

Fluid-particle interaction regimes during the evolution of turbidity currents from a coupled LES/DEM model

J Xie, P Hu, T Pähtz, Z He, N Cheng - Advances in Water Resources, 2022 - Elsevier
In this paper, fluid-particle interactions in lock-exchange turbidity currents (TCs) over a flat
bed are investigated using a model combining LES and DEM (Large-Eddy Simulation and …

Studying the soil column formation in soft soil improved by vacuum preloading via coupled scale‐up CFD‐DEM simulations

S Xu, Y Zhu, H Cao, H Sun, Y Cai… - International Journal for …, 2022 - Wiley Online Library
In many large‐scale land reclamation projects, vacuum preloading combined with a
prefabricated vertical drain (PVD) system has been utilized successfully to improve the slurry …