Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
Sediment Transport Model Considering Laminar and Turbulent Resistance Force due to Infiltration/Exfiltration and its Application
Tomoaki NAKAMURANorimi MIZUTANI
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2011 Volume 67 Issue 2 Pages I_451-I_455

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Abstract

A sediment transport model taking into account laminar and turbulent resistance force due to infiltration/exfiltration is proposed in this study. A three-dimensional two-way coupled fluid-structure-sediment interaction model (FSSM) combined with the proposed model is applied to sediment transport in a steady uniform flow and local scouring due to tsunami run-up. As a result, the laminar resistance force due to infiltration/exfiltration affects the sediment transport rate, and it is consequently essential to take into account the laminar resistance force in assessing sediment transport in the presence of infiltration/exfiltration. The results also show that the FSSM with the proposed model predicts experimental data reasonably well, and demonstrate the validity of the FSSM with the proposed model.

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© 2011 by Japan Society of Civil Engineers
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