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Anglický jazyk
Numerical Simulation of Sediment Transport in Free-Surface Flow
Autor: Patricio Bohórquez Rodríguez de Medina
The flow after the rupture of a dam on an inclined plane of arbitrary slope and the induced transport of non-cohesive sediment are analysed using the shallow-water approximation. We observe the development of free-surface instabilities in the numerical results,... Viac o knihe
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O knihe
The flow after the rupture of a dam on an inclined plane of arbitrary slope and the induced transport of non-cohesive sediment are analysed using the shallow-water approximation. We observe the development of free-surface instabilities in the numerical results, hereafter called roll waves. Subsequently, the present monograph presents a novel Continuum Mechanics model which allows us to study the transport of sediment both in laminar and turbulent, non-hydrostatic free-surface flow, avoiding the intrinsic limitations of flow depth averaged models. Finally, this model is applied to solve the dam-break problem against an isolated obstacle and to predict the transport of sediment after the rupture of a horizontal dam. It is demonstrated that models based on depth-averaged variables (e.g. generalisations of the one-dimensional Saint-Venant equations to predict morphological changes) are superseded by more sophisticated and accurate procedures valid for non-hydrostatic shallow water flows over bed of arbitrary bottom slopes (e.g. the model described herein).
- Vydavateľstvo: LAP LAMBERT Academic Publishing
- Rok vydania: 2009
- Formát: Paperback
- Rozmer: 220 x 150 mm
- Jazyk: Anglický jazyk
- ISBN: 9783838330235
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