Dynamics of granular debris flows against slit dams based on the CFD–DEM method: effect of grain size distribution and ambient environments

W Mao, Y Wang, P Yang, Y Huang, H Zheng - Acta Geotechnica, 2023 - Springer
Earth surface flows in nature, like debris flows and rock avalanches, have threatened
people's safety and infrastructure during past decades. Though grain size distribution (GSD) …

Simultaneous modeling of powder rigid motion and molten pool evolution for powder-based additive manufacturing

Z Wang, M Liu, Z Luo, Z Yan - Powder Technology, 2023 - Elsevier
The rigid motions of powders widely exist in powder-based laser additive manufacturing, like
powder deposition, entrainment and spattering. These phenomena simultaneously happen …

A Cu-Ag double-layer coating strategy for stable and reversible Zn metal anodes

J Liu, Q Luo, S Xia, X Yang, J Lei, Q Sun… - Journal of Colloid and …, 2024 - Elsevier
Structuring a stable artificial coating to mitigate dendrite growth and side reactions is an
effective strategy for protecting the Zn metal anode. Herein, a Cu-Ag double-layer metal …

Microscopic investigation of the influence of complex stress states on internal erosion and its impacts on critical hydraulic gradients

C Zhou, JG Qian, ZY Yin - International Journal for Numerical …, 2022 - Wiley Online Library
Internal erosion involves the loss of fine particles within the matrix of coarse particles under
seepage flow, posing a severe threat to hydraulic structures. This paper focuses on internal …

Investigation of motion characteristics of coarse particles in hydraulic collection

WL Ren, XH Zhang, Y Zhang, XB Lu - Physics of Fluids, 2023 - pubs.aip.org
The solid–fluid two-phase flow with coarse particles is an important research object in the
two-phase transportation field, such as deep-sea mining. This paper adopts the resolved …

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 …

Numerical prediction of particle slip velocity in turbulence by CFD-DEM simulation

Z Sun, X Yan, L Wang, X Li, A Wang, H Zhang - Particuology, 2023 - Elsevier
Turbulent environment improves the flotation recovery of fine particles by promoting the
particle–bubble collision rate, which directly depends on the particle slip velocity. However …

Numerical investigation of gas-liquid flow hydrodynamics in three-dimensional bottom-blown reactor via LES-VOF coupled model

P Liu, S Yang, J Hu, H Wang - Chemical Engineering Science, 2023 - Elsevier
In this study, a coupled interface-resolved volume of fluid model and large eddy simulation is
employed to explore bubble dynamics in a three-dimensional bottom-blown reactor. After …

Scour mechanism around a pipeline under different current-wave conditions using the CFD-DEM coupling model

H Ma, B Li, S Zhang - Computers and Geotechnics, 2024 - Elsevier
Understanding the pipeline scour mechanism under different conditions is essential for
protection measures. The computational fluid dynamics (CFD) and discrete element method …

Coupled CFD-DEM simulation of pin-type wet stirred media mills using immersed boundary approach and hydrodynamic lubrication force

YS Tanneru, JH Finke, C Schilde, YM Harshe… - Powder Technology, 2024 - Elsevier
Qualitative description of stressing energies between grinding beads/media in wet stirred
media mills at different operation settings could provide a comprehensive understanding of …