Eulerian Two‐Phase Model Reveals the Importance of Wave Period in Ripple Evolution and Equilibrium Geometry

A Salimi‐Tarazouj, TJ Hsu… - Journal of …, 2021 - Wiley Online Library
The evolution of ripple geometries and their equilibrium states due to different wave forcing
parameters are investigated by a Reynolds‐averaged two‐phase model, SedFoam, in a two …

Unified depth-limited wave breaking detection and dissipation in fully nonlinear potential flow models

S Mohanlal, JC Harris, ML Yates, ST Grilli - Coastal Engineering, 2023 - Elsevier
A new method is proposed for simulating the energy dissipation resulting from depth-limited
wave breaking, in combination with a universal breaking onset criterion, in two-dimensional …

Model-based analysis of the effects of rippled bed morphologies on hyporheic exchange

J Ren, B Zhao - Journal of Hydrologic Engineering, 2020 - ascelibrary.org
Groundwater–surface water (GW-SW) exchange processes are important due to their critical
role in controlling the transport of pollutants and ecologically related materials in rivers. In …

Effects of bed geometric characteristics on hyporheic exchange

G Jin, H Yuan, G Zhang, Z Zhang, C Chen… - Journal of Hydro …, 2022 - Elsevier
As an active ecotone between the surface stream and groundwater, hyporheic zone (HZ)
plays a crucial role in hydrological and ecological processes. Previous numerical simulation …

Suspension of sediment particles over a ripple due to turbulent convection under unsteady flow conditions

YS Chang, YG Park - Ocean Science Journal, 2016 - Springer
We analyzed the motions of small sediment particles over a sinusoidal ripple due to an
unsteady turbulent boundary layer flow using Large Eddy Simulation. The motions of …

Mixing efficiency of sediment and momentum above rippled beds under oscillatory flows

J Malarkey, V Magar, AG Davies - Continental Shelf Research, 2015 - Elsevier
While the nature of the suspended load above steep, wave-induced, sand ripples is of
practical importance, it also raises intriguing questions about the relative mixing efficiencies …

[图书][B] Two-phase modeling of sand ripple dynamics in oscillatory flow

AS Tarazouj - 2022 - search.proquest.com
Understanding the morphological behavior of the coastal regions and predicting the coastal
changes in response to climate change and human activities have been the centerpiece in …

Large eddy simulation (LES) of suspended sediment transport (SST) at a laboratory scale

M Jourabian, V Armenio - ISOPE International Ocean and Polar …, 2016 - onepetro.org
Wall resolving large eddy simulation (LES) with the dynamic Smagorinsky model (DSM) is
implemented under the single phase Euler-Euler framework to investigate the effects of …

Amélioration de la modélisation 2D et 3D de vagues déferlantes en milieu maritime

S Mohanlal - 2023 - pastel.hal.science
Les modèles d'écoulement potentiel non-linéaire ont été largement utilisés pour diverses
applications, notamment la propagation d'ondes non-linéaires et dispersives à différentes …

Sensitivity of suspension pattern of numerically simulated sediments to oscillating periods of channel flows over a rippled bed

YS Chang, JH Hwang, YG Park - KSCE Journal of Civil Engineering, 2017 - Springer
In this study, we investigated the sediment suspension process over a ripple, using large
eddy simulation and a Lagrangian particle tracking model to numerically calculate the …