Study on Lateral Over Flow From Outer Side Breach and Inner Side Breach in Couved Channel

Asai, Koji; Kawamoto, Nobuyuki; Shiromizu, Tatsuya; Shirozu, Hajime

doi:10.2208/jscejhe.74.i_637

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2023

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“…Faras et al 8) , Asai et al 9) and Kawamoto et al 10) have studied the various characteristics of the side weir flows in the curved channel, such as water surface profile, velocity distribution, overflow rate, etc. through several different experiments.…”

Section: Introductionmentioning

confidence: 99%

3d Numerical Simulation of Lateral Overtopping Flows in Curved Channel Using Boundary Fitted Coordinate System

PANG

Onda

2023

Journal of JSCE

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In the recent flood disaster, the remarkable water level rise in river flows over a short period led to the levee breaching, which caused severe damage in the landside region. Therefore, numerical methods that can predict flood flows and bed deformation around a levee are of great significance for flood mitigation. In this study, a three-dimensional (3D) numerical model of open channel flows in a boundary fitted coordinate system with the density function method is used, and by comparing the hydraulic characteristics of simulation, such as water level and velocity distributions, to the previous experiments of lateral overtopping flows around a side weir in the curved channel, the reliability of the numerical model is validated and threedimensional flow structures around side weir have also been investigated.

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Section: Introductionmentioning

confidence: 99%