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An analysis of dam-break flow on slope

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Abstract

The one-dimensional steep slope shallow water equations are used to model the dam-break flow down a uniform slope with arbitrary inclination, and analytical solutions are derived by the hodograph transformation and the Riemann’s method in terms of evaluated integrals. An implicit analytical solution is obtained to evaluate the spatio-temporal distributions of dam-break flood hydrographs along the slope. For convenience, the solution for representative wave profiles and velocity distributions is shown in charts. Comparing with the Dressler’s solution and WES experimental data, the analytical solution is seen reasonable.

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Correspondence to Cun-hong Pan  (潘存鸿).

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Project supported by the Major Program of the Natural Science Foundation of China (Grant No. 51079130), the Fujian Provincial Major Course of Hydraulic.

Biography: WANG Li-hui (1972-), Male, Ph. D., Senior Engineer

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Wang, Lh., Pan, Ch. An analysis of dam-break flow on slope. J Hydrodyn 26, 902–911 (2014). https://doi.org/10.1016/S1001-6058(14)60099-8

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  • DOI: https://doi.org/10.1016/S1001-6058(14)60099-8

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