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- W2262263843 abstract "A model is developed for the simulation of bed variation of high-concentrated flood. Governing differential equations of the flow are defined. It is presented that characteristic equations of two-dimensional bed movement may be derived for estimation of the direction of bed change. Bed variation moves in the direction of subcritical flow. But it moves to opposite direction of supercritical flow. A new scheme is proposed to integrate the partial differential equation of solids conservation. The scheme reflects the direction of bed movement on choosing proper differences. The derived characteristic equations are used to determine the direction of bed change. The proposed scheme uses forward difference when bed varies toward upstream. But, when bed changes toward downstream, the scheme switches into backward differences. A test is done to check the scheme. It shows that the proposed scheme control oscillation in simulation of bed variation, and bed variation of high-concentrated flood flow is simulated by proposed model successfully. A set of experimental data is used to verify the simulation of bed variation. The simulated bed levels coincide well with majority of experimental ones." @default.
- W2262263843 created "2016-06-24" @default.
- W2262263843 creator A5072963335 @default.
- W2262263843 date "1998-05-11" @default.
- W2262263843 modified "2023-09-24" @default.
- W2262263843 title "Simulation Of Bed Variation By High-concentrated Flood Flow" @default.
- W2262263843 cites W2024169193 @default.
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- W2262263843 doi "https://doi.org/10.2495/cmwr980641" @default.
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