The physics of sediment transport initiation, cessation, and entrainment across aeolian and fluvial environments

T Pähtz, AH Clark, M Valyrakis… - Reviews of …, 2020 - Wiley Online Library
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 …

Scour around coastal structures: a summary of recent research

BM Sumer, RJS Whitehouse, A Tørum - Coastal Engineering, 2001 - Elsevier
This paper summarizes the results of the European Union Marine Science and Technology
(EU MAST) III project “Scour Around Coastal Structures”(SCARCOST). The summary is …

[图书][B] The mechanics of scour in the marine environment

J Fredsoe, BM Sumer - 2002 - books.google.com
This book treats the subject of local scour around different kinds of marine structures,
exposed to waves and/or currents. The first, major part of the book is devoted to marine …

Numerical and experimental investigation of flow and scour around a circular pile

A Roulund, BM Sumer, J Fredsøe… - Journal of Fluid …, 2005 - cambridge.org
The flow around a vertical circular pile exposed to a steady current is studied numerically
and experimentally. The numerical model is a three-dimensional model. The model …

The role of impulse on the initiation of particle movement under turbulent flow conditions

P Diplas, CL Dancey, AO Celik, M Valyrakis, K Greer… - Science, 2008 - science.org
Fundamental to our understanding of erosional and transport phenomena in earth-surface
dynamics and engineering is knowledge of the conditions under which sediment motion will …

Numerical simulation of turbulence and sediment transport of medium sand

MW Schmeeckle - Journal of Geophysical Research: Earth …, 2014 - Wiley Online Library
A model of sand transport in water is produced by combining a turbulence‐resolving large
eddy simulation (LES) with a discrete element model (DEM) prescribing the motion of …

The influence of vegetation on turbulence and bed load transport

EM Yager, MW Schmeeckle - Journal of Geophysical Research …, 2013 - Wiley Online Library
Vegetation is ubiquitous in river channels and floodplains and alters mean flow conditions
and turbulence. However, the effects of vegetation patches on near‐bed turbulence, bed …

Variation in the reference Shields stress for bed load transport in gravel‐bed streams and rivers

ER Mueller, J Pitlick, JM Nelson - Water Resources Research, 2005 - Wiley Online Library
The present study examines variations in the reference shear stress for bed load transport
(τr) using coupled measurements of flow and bed load transport in 45 gravel‐bed streams …

Flow-field complexity and design estimation of pier-scour depth: Sixty years since Laursen and Toch

R Ettema, G Constantinescu… - Journal of Hydraulic …, 2017 - ascelibrary.org
This paper, written to celebrate the 60th anniversary of the Journal of Hydraulic Engineering,
presents a structured, contemporary approach to scour-depth estimation that matches …

Forces on stationary particles in near‐bed turbulent flows

MW Schmeeckle, JM Nelson… - Journal of Geophysical …, 2007 - Wiley Online Library
In natural flows, bed sediment particles are entrained and moved by the fluctuating forces,
such as lift and drag, exerted by the overlying flow on the particles. To develop a better …