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Article

Three-Dimensional Numerical Simulation of Dam Discharge and Flood Routing in Wudu Reservoir

State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300350, China
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Water 2019, 11(10), 2157; https://doi.org/10.3390/w11102157
Received: 6 September 2019 / Revised: 6 October 2019 / Accepted: 14 October 2019 / Published: 16 October 2019
(This article belongs to the Special Issue Hydraulic Dynamic Calculation and Simulation)
The main objectives of the present work are to investigate the hydraulic characteristics of the dam discharge flow and its impact downstream. Building information modeling technology is adopted to generate the terrain entity and hydraulic structures. The calculation of the dam discharge and flood routing simulation is achieved by employing Reynolds-Averaged Navier-Stokes equations with the RNG k-ε eddy viscosity model for its turbulence closure, as well as the Volume of Fluid method. An urban flood experiment and the field measurement records are utilized and validated the model accuracy. The flow field is obtained to assess the dam working conditions under different water levels. The results show that the maximum downstream flow depth, the maximum discharge capacity and the hydraulic jump length under normal water level is 18.6 m, 13,800 m3/s, and 108 m, respectively. The dam satisfies the safety demand under different water levels but close attention should be paid to the dam foundation, especially around the incident points of the discharge flow. Complex turbulent flow patterns, including collision, reflection, and vortices, are captured by three-dimensional simulation. The numerical simulation can assist the reservoir management vividly, so as to guarantee the stability of the dam operation. View Full-Text
Keywords: numerical simulation; dam discharge; flood routing; parametric modeling method; complex flow patterns numerical simulation; dam discharge; flood routing; parametric modeling method; complex flow patterns
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MDPI and ACS Style

Rong, Y.; Zhang, T.; Peng, L.; Feng, P. Three-Dimensional Numerical Simulation of Dam Discharge and Flood Routing in Wudu Reservoir. Water 2019, 11, 2157. https://doi.org/10.3390/w11102157

AMA Style

Rong Y, Zhang T, Peng L, Feng P. Three-Dimensional Numerical Simulation of Dam Discharge and Flood Routing in Wudu Reservoir. Water. 2019; 11(10):2157. https://doi.org/10.3390/w11102157

Chicago/Turabian Style

Rong, Youtong; Zhang, Ting; Peng, Ling; Feng, Ping. 2019. "Three-Dimensional Numerical Simulation of Dam Discharge and Flood Routing in Wudu Reservoir" Water 11, no. 10: 2157. https://doi.org/10.3390/w11102157

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