The evolution of dam-break floods in downstream and cascade reservoirs is an extremely complicated process. Based on the three-dimensional Navier–Stokes equation and smoothed particle hydrodynamics theory, the complicated dam-break flood flow was simulated for such cases. The evolution of the dam-break flood in the downstream reservoir and cascade reservoirs and its impact on the downstream dam were obtained, and the results were found to agree well with experimental results. According to force analysis, the dam-break flood effect can be divided into a high-speed impact area and a pressure-transmission area. The former can cause damage due to instantaneous impact on the dam and the latter can cause damage arising from oscillation fatigue. These conclusions have value in water resources and hydropower engineering for preventing the outburst of a cascade reservoir group.
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April 2019
Research Article|
October 10 2017
Numerical simulation of cascaded dam-break flow in downstream reservoir Available to Purchase
Jing Luo, PhD;
Jing Luo, PhD
Assistant Professor, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
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Weilin Xu, PhD;
Weilin Xu, PhD
Professor of Hydraulics, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China (corresponding author: xuwl@scu.edu.cn)
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Zhong Tian, PhD;
Zhong Tian, PhD
Associate Professor of Hydraulics, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
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Huayong Chen, PhD
Huayong Chen, PhD
Associate Professor of Debris Flow, Key Laboratory of Mountain Hazards and Land Surface Processes, CAS, Chengdu, China
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Publisher: Emerald Publishing
Received:
September 07 2015
Accepted:
August 22 2017
Online ISSN: 1751-7729
Print ISSN: 1741-7589
ICE Publishing: All rights reserved
2017
Proceedings of the Institution of Civil Engineers - Water Management (2019) 172 (2): 55–67.
Article history
Received:
September 07 2015
Accepted:
August 22 2017
Citation
Luo J, Xu W, Tian Z, Chen H (2019), "Numerical simulation of cascaded dam-break flow in downstream reservoir". Proceedings of the Institution of Civil Engineers - Water Management, Vol. 172 No. 2 pp. 55–67, doi: https://doi.org/10.1680/jwama.15.00088
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