Hydraulic and geomorphological effects of run-of-river dams

S Csiki, BL Rhoads - Progress in physical geography, 2010 - journals.sagepub.com
The practice of dam removal has received increasing attention as a consequence of
maintenance and liability concerns related to the advanced age of many of these structures …

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 …

Large-eddy simulation in hydraulics

W Rodi, G Constantinescu, T Stoesser - 2013 - api.taylorfrancis.com
Numerical computation methods are used more and more as tools for solving hydraulic and
environmental engineering problems, and as turbulence mostly plays an important role in …

Coherent structures in the flow field around a circular cylinder with scour hole

G Kirkil, SG Constantinescu, R Ettema - Journal of Hydraulic …, 2008 - ascelibrary.org
Large-eddy simulation (LES) and laboratory-flume visualizations were used to investigate
coherent structures present in the flow field around a circular cylinder located in a scour …

High-resolution numerical simulation of turbulence in natural waterways

S Kang, A Lightbody, C Hill, F Sotiropoulos - Advances in Water Resources, 2011 - Elsevier
We develop an efficient and versatile numerical model for carrying out high-resolution
simulations of turbulent flows in natural meandering streams with arbitrarily complex …

An investigation of the flow and scour mechanisms around isolated spur dikes in a shallow open channel: 1. Conditions corresponding to the initiation of the erosion …

M Koken, G Constantinescu - Water Resources Research, 2008 - Wiley Online Library
The present study investigates the flow physics and the role played by the main coherent
structures in the scouring processes around a vertical spur dike in a straight channel at …

Investigation of flow, erosion, and sedimentation pattern around varied groynes under different hydraulic and geometric conditions: a numerical study

L Choufu, S Abbasi, H Pourshahbaz, P Taghvaei… - Water, 2019 - mdpi.com
Groynes are popular hydraulic structures often used to control the erosion of banks by
altering flow and sediment transport. In this paper, the effects of altering groyne orientation …

Large-eddy simulation of a mildly curved open-channel flow

W Van Balen, WSJ Uijttewaal… - Journal of Fluid …, 2009 - cambridge.org
After validation with experimental data, large-eddy simulation (LES) is used to study in detail
the open-channel flow through a curved flume. Based on the LES results, the present paper …

Impact of lateral gap on flow distribution, backwater rise, and turbulence generated by a logjam

I Schalko, E Follett, H Nepf - Water Resources Research, 2023 - Wiley Online Library
Logjams may form at natural obstructions and are also used as nature‐based solutions for
river restoration and natural flood management. Previous research has described backwater …

Lagrangian model of bed-load transport in turbulent junction flows

C Escauriaza, F Sotiropoulos - Journal of Fluid Mechanics, 2011 - cambridge.org
Motivated by the need to gain fundamental insights into the mechanisms of bed-load
sediment transport in turbulent junction flows, we carry out a computational study of …