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- W38180410 abstract "The results of a numerical model study of probable maximum flood PMF flow through a system of spillways consisting of an existing service spillway and a new auxiliary spillway are presented. A commercial computational fluid dynamics CFD code, Fluent, was used to solve the time-dependent Reynolds-averaged Navier-Stokes equations, a standard turbulence lk- model with wall functions, and a water volume of fluid fraction equation. A two-dimensional approach velocity profile was used at the upstream inlet cross section. Water levels, flow splits between the existing and auxiliary spillways, and flow patterns were predicted and compared. A tentative design was chosen, constructed, and tested in a 1:54 scale physical model. Testing results were used to validate the CFD model. Results demonstrate that the CFD model is validated as accurate in the prediction of water levels in the reservoir, the integrated approach used is cost-effective and efficient in optimizing the designs of the auxiliary spillway, the tentative design cannot pass the PMF at the maximum pool level which suggests further modifications being necessary in the physical model. DOI: 10.1061/ASCEHY.1943-7900.0000279 CE Database subject headings: Spillways; Computational fluid dynamics technique; Floods; Numerical models; Simulation; Dam safety; Case studies. Author keywords: Spillways; Computational fluid dynamics technique; Floods; Numerical models; Simulation; Dam safety." @default.
- W38180410 created "2016-06-24" @default.
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- W38180410 date "2011-01-01" @default.
- W38180410 modified "2023-09-27" @default.
- W38180410 title "Case Study: Numerical Modeling of Probable Maximum Flood Flowing through a System of Spillways" @default.
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