[HTML][HTML] A review of methods, applications and limitations for incorporating fluid flow in the discrete element method

T Wang, F Zhang, J Furtney, B Damjanac - Journal of Rock Mechanics and …, 2022 - Elsevier
The past decade has witnessed the substantial growth in research interests and progress on
the subject of coupled hydro-mechanical processes in rocks and soils, driven mainly by the …

Experimental study of particle migration under cyclic loading: effects of load frequency and load magnitude

S Zhang, F Gao, X He, Q Chen, D Sheng - Acta Geotechnica, 2021 - Springer
The study of particle migration in porous media under cyclic loading is the key to understand
the mechanism of mud pumping hazard in railway embankments. This paper presents a …

Role of inherent anisotropy in infiltration mechanism of suffusion with irregular granular skeletons

H Xiong, Z Zhang, J Yang, Z Yin, X Chen - Computers and Geotechnics, 2023 - Elsevier
Suffusion, the process of particle migration and clogging within porous media, exerts a
remarkable impact on various natural and engineered systems. Properties of the coarse …

Clogging effect of fines in seepage erosion by using CFD–DEM

H Xiong, Z Zhang, X Sun, Z Yin, X Chen - Computers and Geotechnics, 2022 - Elsevier
The macroscopic phenomena and microscopic origin of penetrative migration and retention
of fine particles in porous skeleton under the action of seepage are not yet clear. Migrating …

Transmission effect of eroded particles in suffusion using the CFD-DEM coupling method

F Chen, H Xiong, X Wang, ZY Yin - Acta Geotechnica, 2023 - Springer
The transmission effect refers to the migration of eroded fine particles between the
neighboring gap-graded soil matrix, and its influence on suffusion is rarely investigated. A …

Investigating the effect of flow direction on suffusion and its impacts on gap-graded granular soils

H Xiong, ZY Yin, J Zhao, Y Yang - Acta Geotechnica, 2021 - Springer
The flow direction is generally different from the gravity direction in geotechnical structures
or slopes, the effect of which during suffusion remains unclear. This paper presents a …

Macro–microscopic mechanism of suffusion in calcareous sand under tidal fluctuations by coupled CFD-DEM

H Xiong, Y Qiu, J Liu, ZY Yin, X Chen - Computers and Geotechnics, 2023 - Elsevier
Numerous offshore transportation infrastructures built with delicate calcareous sand (CS)
experience intricate seepage conditions caused by tidal fluctuations. Traffic loads can cause …

Investigating effect of particle shape on suffusion by CFD-DEM modeling

H Xiong, H Wu, X Bao, J Fei - Construction and Building Materials, 2021 - Elsevier
Suffusion is one of the most common causes of hydraulic geological structure failure. During
the suffusion process, particle shape is a significant factor to affect the micro-structure and …

A coupled CFD‐DEM investigation of suffusion of gap graded soil: Coupling effect of confining pressure and fines content

Y Liu, L Wang, Y Hong, J Zhao… - International Journal for …, 2020 - Wiley Online Library
Suffusion involves fine particles migration within the matrix of coarse fraction under seepage
flow, which usually occurs in the gap‐graded material of dams and levees. Key factors …

Micro pore analysis of suffusion in filter layer using tri-layer CFD–DEM model

F Chen, S Jiang, H Xiong, Z Yin, X Chen - Computers and Geotechnics, 2023 - Elsevier
Filter layers are extensively employed in dam structures as a mitigation method against
internal erosion, which facilitates the interlocking and clogging of the suffused base soil due …