MacCormack-TVD Finite Difference Solution for Dam Break Hydraulics over Erodible Sediment Beds
This article has been corrected.
VIEW CORRECTIONPublication: Journal of Hydraulic Engineering
Volume 141, Issue 5
Abstract
Coupled shallow water equations integrated with sediment transport and morphological evolution are presented in this paper. The momentum exchange terms that originated from the interaction between flow and sediment, which were ignored by several researchers, are taken into account. The time and space second-order, MacCormack total variation diminishing (TVD) finite difference method is used to solve these equations. A series of numerical simulations compared with laboratory dam-break experiments were carried out. The simulated results are in good agreement with experimental measured results, which demonstrates that the current computational framework is able to determine the dam-break hydraulics over erodible sediment.
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Acknowledgments
The authors would like to thank Richard M. Iverson and Roger P. Denlinger for their suggestions, which greatly improved this manuscript. The authors acknowledge the financial support from the NSFC (Grant No. 41101008, 41272346), the Key Research Program of the Chinese Academy of Sciences (KZZD-EW-05-01), Education Department Innovation Research Team Program (IRT0812), and the Hundred Young Talents Program of the Institute of Mountain Hazards and Environment (SDSQB-2013-01).
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Published In
Journal of Hydraulic Engineering
Volume 141 • Issue 5 • May 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Oct 14, 2013
Accepted: Oct 30, 2014
Published online: Dec 11, 2014
Published in print: May 1, 2015
Discussion open until: May 11, 2015
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