The physics of sediment transport initiation, cessation, and entrainment across aeolian and fluvial environments
Predicting the morphodynamics of sedimentary landscapes due to fluvial and aeolian flows
requires answering the following questions: Is the flow strong enough to initiate sediment …
requires answering the following questions: Is the flow strong enough to initiate sediment …
Three-dimensional hole size (3DHS) approach for water flow turbulence analysis over emerging sand bars: Flume-scale experiments
The many hydrodynamic implications associated with the geomorphological evolution of
braided rivers are still not profoundly examined in both experimental and numerical …
braided rivers are still not profoundly examined in both experimental and numerical …
A velocity-variation-based formulation for bedload particle hops in rivers
Bedload particle hops are defined as successive motions of a particle from start to stop,
characterizing one of the most fundamental processes of bedload sediment transport in …
characterizing one of the most fundamental processes of bedload sediment transport in …
Are bedload transport pulses in gravel bed rivers created by bar migration or sediment waves?
B Dhont, C Ancey - Geophysical Research Letters, 2018 - Wiley Online Library
Bedload transport exhibits considerable spatial and temporal variability, as reflected by
large fluctuations of transport rates. Among the various mechanisms proposed for explaining …
large fluctuations of transport rates. Among the various mechanisms proposed for explaining …
A statistical description of particle motion and rest regimes in open‐channel flows under low bedload transport
In the last decade several efforts were devoted to model sediment‐particle transport in rivers
as a stochastic process. Experimental observations are therefore needed to validate these …
as a stochastic process. Experimental observations are therefore needed to validate these …
The cessation threshold of nonsuspended sediment transport across aeolian and fluvial environments
Using particle‐scale simulations of nonsuspended sediment transport for a large range of
Newtonian fluids driving transport, including air and water, we determine the bulk transport …
Newtonian fluids driving transport, including air and water, we determine the bulk transport …
GPU acceleration of Eulerian–Lagrangian particle-laden turbulent flow simulations
Acceleration of an existing MPI-based, particle-laden turbulent flow simulation code is
achieved using up to four NVIDIA GPU devices. The overall design is to transfer the entire …
achieved using up to four NVIDIA GPU devices. The overall design is to transfer the entire …
Role of grain dynamics in determining the onset of sediment transport
Sediment transport occurs when the nondimensional fluid shear stress Θ at the bed surface
exceeds a minimum value Θ c. A large collection of data, known as the Shields curve, shows …
exceeds a minimum value Θ c. A large collection of data, known as the Shields curve, shows …
Joint stochastic bedload transport and bed elevation model: Variance regulation and power law rests
We describe the joint dynamics of bedload transport and bed elevation changes with a
stochastic population model, and we analyze (1) the dependence of bedload flux statistics …
stochastic population model, and we analyze (1) the dependence of bedload flux statistics …
Universal friction law at granular solid-gas transition explains scaling of sediment transport load with excess fluid shear stress
A key interest in geomorphology is to predict how the shear stress τ exerted by a turbulent
flow of air or liquid onto an erodible sediment bed affects the transport load M g ̃ (ie, the …
flow of air or liquid onto an erodible sediment bed affects the transport load M g ̃ (ie, the …