[HTML][HTML] Roll waves and their generation criteria

F de Oliveira Ferreira, GF Maciel, JB Pereira - RBRH, 2021 - SciELO Brasil
Pulsating waves (also known as roll waves) might occur on the free surface of extreme
events like mud and debris flows, among others, usually intensifying the caused damage …

Numerical study of roll wave development for non-uniform initial conditions using steep slope shallow water equations

S Dai, X Liu, K Zhang, Y Ma, H Liu, S Jin - Physics of Fluids, 2024 - pubs.aip.org
Periodic shock waves of roll waves may cause the flow to jump over the canal bank,
increase soil erosion, and enhance the destructive power of debris flow. This paper focuses …

Investigation on the formation of roll waves in chutes

B Aghebatie, K Hosseini - Water and Environment Journal, 2016 - Wiley Online Library
Roll waves create unstable and turbulent behaviour in channels and chutes and also
change the behaviour of water entering the energy dissipater structures. In the present …

Numerical modelling of spillways and energy dissipators using the smoothed particle hydrodynamics method

AMB Moreira - 2021 - search.proquest.com
In recent years, dam safety has drawn increasing attention from experts and the public in
general. This is mostly because minor to significant incidents still happen in the twentieth …

Analyzing the turbulent flow on steep open channels

B Aghebatie, K Hosseini - Water Science and Technology: Water …, 2016 - iwaponline.com
In channels with steep slopes, the flow is supercritical and the formation of roll waves is
expected. In order to evaluate the flow behaviors in steep open channels, the Azad dam …

Characteristics of aeration in the flow downstream of a radial gate with a sudden fall-expansion aerator in a discharge tunnel

S Li, J Zhang, X Chen, GGD Zhou… - Water Science and …, 2018 - iwaponline.com
The mechanisms of cavitation damage in flood releasing tunnels remain unclear. In this
study a series of physical experiments and numerical calculations were conducted to …

[PDF][PDF] Numerical Investigation on Dam-Break Flood Wave.

B Aghebatie, K Hosseini - Jordan Journal of Mechanical & Industrial …, 2019 - jjmie.hu.edu.jo
The dam-break is one of the pressing issues in rivers. Dam-break causes immense
damages and serious threat to human life in the downstream reach. The purpose of this …

[PDF][PDF] Simulação numérica de Roll Waves em escoamentos turbulentos

CVZ Peres - 2020 - repositorio.unesp.br
Roll waves são instabilidades que, em condições favoráveis, podem surgir em
escoamentos com superfície livre e que se propagam como um trem de ondas com …

[PDF][PDF] Two-dimensional Numerical modeling of rolling waves in chutes and analyze the factors affecting the formation of them

M Ziaadini-Dashtekhaki, M Ghaeini-Hessaroeyeh - Journal of Hydraulics, 2018 - jhyd.iha.ir
Roll waves create instabilities and turbulent behavior in channels and chutes that affect
downstreamhydraulic structures. The present study aims to provide a numerical model to …