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Apr 26, 2012
Numerical Study of Tsunami Run-Up over Erodible Sand Dunes
Authors: Takenori Shimozono [email protected], Shinji Sato [email protected], and Yoshimitsu Tajima [email protected]Author Affiliations
Publication: Coastal Sediments '07
Abstract
In numerical simulation of tsunami, the changing topography must be taken into account for some specific problems such as run-up over coastal dunes. In this paper, a numerical model for tsunami flooding over movable topography is presented. The model is based on the Boussinesq-type equation coupled with the sediment advection equation and existing empirical formulas for sediment transport. Laboratory experiment is conducted for the model verification on fixed bed, while its performance on movable bed is examined through comparison with available data. Finally, the dune erosion induced by tsunami is discussed on the basis of the model results.
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Published In
Coastal Sediments '07
Pages: 1089 - 1102
Copyright
© 2007 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Affiliations
Department of Ocean Sciences, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan. E-mail: [email protected]
Department of Civil Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. E-mail: [email protected]
Department of Civil Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. E-mail: [email protected]
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