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A two time-scale model for tidal bed-load transport

Abstract : The aim of this article is to derive a simplified sedimentation model thanks to an asymptotic analysis. We consider a two time scale erosion process due to tidal effects and we show that the approximation at the first order can model bed-load transport well. To this end, the simplified model is validated through numerical tests (evolution of a dune submitted to tidal effects in the ocean, run up near the coast) and compared to direct simulations that are very expensive in terms of computation time.
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Contributor : Carine Lucas <>
Submitted on : Tuesday, April 10, 2012 - 10:18:26 PM
Last modification on : Monday, December 14, 2020 - 4:50:25 PM
Long-term archiving on: : Wednesday, July 11, 2012 - 2:56:22 AM


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  • HAL Id : hal-00598932, version 2



Stéphane Cordier, Carine Lucas, Jean de Dieu Zabsonré. A two time-scale model for tidal bed-load transport. Communications in Mathematical Sciences, International Press, 2012, 10 (3), pp.875-888. ⟨hal-00598932v2⟩



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