Simulating progression of internal erosion in gap-graded sandy gravels using coupled CFD-DEM

Y Zou, C Chen, L Zhang - International Journal of Geomechanics, 2020 - ascelibrary.org
Loss of fine particles or suffusion in soils induced by seepage is an important problem that
may cause dam or dike failures. This paper aims to study the evolution mechanisms of …

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) …

Investigating the settling dynamics of cohesive silt particles with particle-resolving simulations

R Sun, H Xiao, H Sun - Advances in Water Resources, 2018 - Elsevier
The settling of cohesive sediment is ubiquitous in aquatic environments, and the study of the
settling process is important for both engineering and environmental reasons. In the settling …

A splitting method for the numerical simulation of free surface flows with sediment deposition and resuspension

A Mrad, A Caboussat, M Picasso - International Journal for …, 2022 - Wiley Online Library
We present a numerical model for the simulation of 3D sediment transport in a Newtonian
flow with free surfaces. The Navier–Stokes equations are coupled with the transport …

Understanding heavy mineral enrichment using a three‐dimensional numerical model

G Bartzke, MW Schmeeckle, K Huhn - Sedimentology, 2018 - Wiley Online Library
Layered deposits of relatively light and heavy minerals can be found in many aquatic
environments. Quantification of the physical processes which lead to the fine‐scale layering …

Drag force and torque of a stationary sphere in a uniform laminar open channel flow

L Xie, Q Zhang, J Zhang, C Ji - Physics of Fluids, 2018 - pubs.aip.org
An analytical solution for a stationary sphere immersed in a steady and uniform laminar
open channel flow with the surrounding fluid slowly passing by is presented. The solution …

Numerical simulation of sediment dynamics with free surface flows

A Mrad - 2021 - infoscience.epfl.ch
We present a numerical model for the simulation of 3D mono-dispersed sediment dynamics
in a Newtonian flow with free surfaces. The physical model is a macroscopic model for the …

[PDF][PDF] Eulerian two-phase modelling of seabed and application to scour underneath pipelines

L Steffen - researchgate.net
Scour prediction is of vital significance in civil engineering to prevent failure of hydraulic
structures. Numerical simulations can help to describe the scour process, determine key …

Particle-Resolving Simulations of Dune Migration: Novel Algorithms and Physical Insights

R Sun - 2017 - vtechworks.lib.vt.edu
Sediment transport is ubiquitous in aquatic environments, and the study of sediment
transport is important for both engineering and environmental reasons. However, the …