Abstract
Our paper deals about sand transport problem near the seabed. We consider model for short-term dynamics of dune (STDD) and megariple morphodynamics built in (Faye et al., Discrete and Continuous Dynamical Systems, 29; N o3 March 2011, 1001–1030), that we coupled with a Navier-Stokes equations. We study the evolution of the dunes and an existence and uniqueness results are established for coupled short-term model. In this framework we derive an asymptotic expansion with respect to the small parameter 𝜖 of its solution, and characterize the terms of the expansion.
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This work is supported by NLAGA project (Non Linear Analysis, Geometry and Applications).
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Faye, I., Ndiaye, M., Seck, D. (2018). Coupling the Navier-Stokes Equations with a Short Term Dynamic of Sand Dunes. In: Schulz, V., Seck, D. (eds) Shape Optimization, Homogenization and Optimal Control . International Series of Numerical Mathematics, vol 169. Birkhäuser, Cham. https://doi.org/10.1007/978-3-319-90469-6_10
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DOI: https://doi.org/10.1007/978-3-319-90469-6_10
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