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Numerical Simulation of Sediment Transport in Free-Surface Flow: The case of non-cohesive, unimodal sediment transport in non-hydrostatic dam-break floods - Softcover

Bohórquez Rodríguez De Medina, Patricio

 
9783838330235: Numerical Simulation of Sediment Transport in Free-Surface Flow: The case of non-cohesive, unimodal sediment transport in non-hydrostatic dam-break floods
Softcover
ISBN 10: 3838330234 ISBN 13: 9783838330235
Verlag: LAP Lambert Academic Publishing, 2010

Inhaltsangabe

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variables (e.g. generalisations of the one-dimensional Saint-Venant equations to predict morphological changes) are superseded by more sophisticated and accurate procedures valid for non-hydrostatic shallow water flows over bed of arbitrary bottom slopes (e.g. the model described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).

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Über die Autorin bzw. den Autor

Mechanical Engineering Degree and Ph.D. in Fluid Mechanics (1997- 2008, University of Málaga, Spain); CEAMA (2004-2005, Granada, Spain); Visiting Researcher at the School of Geography (University of Southampton, UK) and at the Environmental Hydraulics Laboratory (Federal Polytechnic School of Lausanne, Switzerland).

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Verlag
LAP Lambert Academic Publishing
Erscheinungsdatum
2010
Sprache
Englisch
ISBN 10 
3838330234
ISBN 13 
9783838330235
Einband
Taschenbuch
Anzahl der Seiten
196
Kontakt zum Hersteller
Nicht verfügbar
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