Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
Large eddy simulation for vertical sorting process in sheet-flow regime
Eiji HARADANaoki TSURUTAHitoshi GOTOH
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2011 Volume 67 Issue 2 Pages I_471-I_475

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Abstract

Large eddy simulation is performed to investigate the mechanism of the vertical sorting of sediments under sheet-flow regime particularly from a viewpoint of interacting between eddies and sediment based on the solid-liquid multiphase turbulent flow model. The agreements between experimental results and numerical results are reasonable with choosing the model parameters in the distinct element method for simulating movable bed. The developing process of the vertical sorting is discussed through the distribution of the phase-dependent turbulent energy production.

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© 2011 by Japan Society of Civil Engineers
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