Development of One Dimensional Numerical Model on Large Water Diversion System

Cheng Zhang; Lin Zha

doi:10.4028/www.scientific.net/AMM.744-746.1062

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 744-746Development of One Dimensional Numerical Model on...

Development of One Dimensional Numerical Model on Large Water Diversion System

Abstract:

A one-dimensional numerical model was developed for unsteady-flow in a large-scale conveyance channel with complex inner boundary conditions. Using Taylor expansion and finite difference method, this model incorporated three types of inner boundary conditions, including regulators, inverted siphons, and flumes with parallel connections. It can facilitate continuous simulation with large-amplitude variations in water level and flow discharge during the flow transitions. Transition flows were simulated by this model, which were caused by the operation of a single gate of the Middle Route of the South-to-North Water Diversion Project. The discharges of simulation were consistent with the discharges of formulas calculation, and the water level variations accords with hydraulic law. The results indicate its efficiency and applicability on simulating hydraulic response of large-scale conveyance channels with complex inner boundary conditions.

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Periodical:

Applied Mechanics and Materials (Volumes 744-746)

Pages:

1062-1065

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.744-746.1062

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Online since:

March 2015

Authors:

Cheng Zhang*, Lin Zha

Keywords:

Hydraulic Model, Numerical Simulation, South-to-North Water Diversion Project, Unsteady Flow

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