Geodesic
Comparison of models for the simulation of landslide generated Tsunamis
E. Audusse1 ; J.G. Caldas Steinstraesser2 ; L. Emerald3 ; P. Heinrich4 ; A. Paris4, 5 ; M. Parisot6
1 Université Paris 13, Laboratoire d’Analyse, Géométrie et Applications, 99 av. J.-B. Clément, F-93430 Villetaneuse, France
2 Team LEMON, INRIA Sophia Antipolis - Méditerrannée, Bât 5 - CC05 017, 860 rue Saint-Priest, 34095 Montpellier Cedex 5, France
3 Université de Rennes 1, IRMAR, 35042 Rennes CEDEX France
4 CEA, DAM, DIF, 91297 Arpajon Cedex
5 Université de Pau et des Pays de l’Adour, E2S UPPA, SIAME, Anglet, France
6 Team CARDAMOM, INRIA Bordeaux Sud Ouest, 200 Avenue de la Vieille Tour, 33405 Talence cedex, France.
ESAIM. Proceedings, Tome 70 (2021), pp. 14-30.

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In this paper, we analyze the relevance of the use of the shallow water model and the Boussinesq model to simulate tsunamis generated by a landslide. In a first part, we determine if the two models are able to reproduce waves generated by a landslide. Each model has drawbacks but it seems that it is possible to use them together to improve the simulations. In a second part we try to recover the landslide displacement from the generated wave. This problem is formulated as a minimization problem and we limit the number of parameters to determine assuming that the bottom can be well described by an empirical law.
DOI : 10.1051/proc/202107002

E. Audusse 1 ; J.G. Caldas Steinstraesser 2 ; L. Emerald 3 ; P. Heinrich 4 ; A. Paris 4, 5 ; M. Parisot 6

1 Université Paris 13, Laboratoire d’Analyse, Géométrie et Applications, 99 av. J.-B. Clément, F-93430 Villetaneuse, France
2 Team LEMON, INRIA Sophia Antipolis - Méditerrannée, Bât 5 - CC05 017, 860 rue Saint-Priest, 34095 Montpellier Cedex 5, France
3 Université de Rennes 1, IRMAR, 35042 Rennes CEDEX France
4 CEA, DAM, DIF, 91297 Arpajon Cedex
5 Université de Pau et des Pays de l’Adour, E2S UPPA, SIAME, Anglet, France
6 Team CARDAMOM, INRIA Bordeaux Sud Ouest, 200 Avenue de la Vieille Tour, 33405 Talence cedex, France. 
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     author = {E. Audusse and J.G. Caldas Steinstraesser and L. Emerald and P. Heinrich and A. Paris and M. Parisot},
     title = {Comparison of models for the simulation of landslide generated {Tsunamis}},
     journal = {ESAIM. Proceedings},
     pages = {14--30},
     publisher = {mathdoc},
     volume = {70},
     year = {2021},
     doi = {10.1051/proc/202107002},
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     url = {http://geodesic.mathdoc.fr/articles/10.1051/proc/202107002/}
}
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E. Audusse; J.G. Caldas Steinstraesser; L. Emerald; P. Heinrich; A. Paris; M. Parisot. Comparison of models for the simulation of landslide generated Tsunamis. ESAIM. Proceedings, Tome 70 (2021), pp. 14-30. doi : 10.1051/proc/202107002. http://geodesic.mathdoc.fr/articles/10.1051/proc/202107002/

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