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Two-Phase-Flow Unstructured Grid Solver: Application to Tsunami Wave Impact

Frederic Golay 1 Alioune Nar Sambe 1, 2 Damien Sous 2 Philippe Fraunié 2 Vincent Rey 3 Richard Marcer 4 Christine Dejouette 5
1 IMATH - Institut de Mathématiques de Toulon - EA 2134
2 MIO - Institut méditerranéen d'océanologie
3 OPLC
MIO - Institut méditerranéen d'océanologie
4 LSEET - Laboratoire de sondages électromagnétiques de l'environnement terrestre
5 Chercheur indépendant
Abstract : This paper describes the CFD of incompressible air-water flows by solving Euler equations with a 2-phase flow model leading to a hyperbolic system of conservation laws solved with a finite volume discretization on unstructured grids. An artificial compressibility approach allows for a fully explicit scheme for an efficient parallel implementation. The numerical model is based on a low Mach number preconditioning and a 2nd-order Riemann solver. Applications to breaking waves on a 15% slope with and without the influence of macro-roughness are performed concerning impact and run-up processes on the beach.
Keywords : Wave breaking finite volume Godunov scheme air-water interface run-up macro-roughness
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https://hal-univ-tln.archives-ouvertes.fr/hal-00979038
Contributor : Frederic Golay <>
Submitted on : Tuesday, April 15, 2014 - 11:11:12 AM
Last modification on : Tuesday, April 28, 2020 - 1:02:40 AM

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  • HAL Id : hal-00979038, version 1

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Frederic Golay, Alioune Nar Sambe, Damien Sous, Philippe Fraunié, Vincent Rey, et al.. Two-Phase-Flow Unstructured Grid Solver: Application to Tsunami Wave Impact. International Journal of Offshore and Polar Engineering (IJOPE), The International Society of Offshore and Polar Engineers 2011, 21 (3), pp.186-191. ⟨hal-00979038⟩

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