Numerical Modeling Bedform Development by Nguyen Quoc (6 results)

Taschenbuch. Condition: Neu. Neuware -Development of river bedform under interactions with water flows is a complex process due to turbulence of the flow and continuous change of bed geometry. In this study, the problem was examined by numerical computations. Two latest advanced tools of Computational Fluid Mechanics, namely Large-Eddy-Simulation and Immersed-Boundary-Method, were employed. Flows were turbulent at low Reynolds number and treated in three-dimensions. Bed surfaces was treated as continuos medium rather than individual sediment particles. The results showed strong correlations between change of the bed surface and the shear tress applied by the flows. Development of bedform from initially flat bed to full-size sandwaves had been observed from the computations. Experimentally observed phenomena, such as development of ripple train, was also successfully reproduced.Books on Demand GmbH, Überseering 33, 22297 Hamburg 140 pp. Englisch.

Taschenbuch. Condition: Neu. Numerical modeling of bedform development in turbulent flows | Using Large-Eddy-Simulation and Immersed-Boundary-Method | Quoc Y. Nguyen (u. a.) | Taschenbuch | 140 S. | Englisch | 2016 | LAP Lambert Academic Publishing | EAN 9783659130809 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu.

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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Development of river bedform under interactions with water flows is a complex process due to turbulence of the flow and continuous change of bed geometry. In this study, the problem was examined by numerical computations. Two latest advanced tools of Computational Fluid Mechanics, namely Large-Eddy-Simulation and Immersed-Boundary-Method, were employed. Flows were turbulent at low Reynolds number and treated in three-dimensions. Bed surfaces was treated as continuos medium rather than individual sediment particles. The results showed strong correlations between change of the bed surface and the shear tress applied by the flows. Development of bedform from initially flat bed to full-size sandwaves had been observed from the computations. Experimentally observed phenomena, such as development of ripple train, was also successfully reproduced. 140 pp. Englisch.

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Nguyen Quoc Y.Dr. Nguyen Quoc Y obtained his PhD degree at Ritsumeican University (Japan) in 2008. He currently works at Ho Chi Minh City University of Technology in Vietnam. His research interests are in civil and environmental flui.

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Development of river bedform under interactions with water flows is a complex process due to turbulence of the flow and continuous change of bed geometry. In this study, the problem was examined by numerical computations. Two latest advanced tools of Computational Fluid Mechanics, namely Large-Eddy-Simulation and Immersed-Boundary-Method, were employed. Flows were turbulent at low Reynolds number and treated in three-dimensions. Bed surfaces was treated as continuos medium rather than individual sediment particles. The results showed strong correlations between change of the bed surface and the shear tress applied by the flows. Development of bedform from initially flat bed to full-size sandwaves had been observed from the computations. Experimentally observed phenomena, such as development of ripple train, was also successfully reproduced.