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http://dx.doi.org/10.12652/Ksce.2019.39.1.0175

Flow Resistance by Discontinuous Topography in Simulating Shallow-water Flow  

Hwang, Seung-Yong (Korea Institute of Civil Engineering and Building Technology)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.39, no.1, 2019 , pp. 175-181 More about this Journal
Abstract
The hydrostatic pressure, thrust, and wall reflection by a step were studied as the flow resistance due to the discontinuous topography by using the Hwang's scheme in calculating fluxes with an approximate Riemann solver. Compared with the broad-crested weir experiments, the result simulated by using the thrust was the best among them. Hwang's scheme with the thrust by a step was applied to the side weir experiment. The results of simulation agreed well with those of the experiment. Compared to the existing depth-integrated model, the accuracy was slightly lowered, but the running time was reduced to about 20 %.
Keywords
Shallow-water flow; Approximate riemann solver; Discontinuous topography; Thrust; Side weir;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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