Singularity formation for the Serre-Green-Naghdi equations and applications to abcd-Boussinesq systems
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2022-09Derechos
©2022. This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature's AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/s00605-021-01623-8
Publicado en
Monatshefte für Mathematik, 2022, 198, 503-516
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Springer-Verlag
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Resumen/Abstract
In this work we prove that the solution of the Serre-Green-Naghdi equation cannot be globally defined when the interface reaches the impervious bottom tangentially. As a consequence, our result complements the paper Camassa, R., Falqui, G., Ortenzi, G., Pedroni, M., & Thomson, C. Hydrodynamic models and confinement effects by horizontal boundaries. Journal of Nonlinear Science, 29(4), 1445-1498, 2019. Furthermore, we also prove that the solution to the abcd−
Boussinesq system can change sign in finite time. Finally, we provide with a proof of a scenario of finite time singularity for the abcd−
Boussinesq system. These latter mathematical results are related to the numerics in Bona, and Chen, Singular solutions of a Boussinesq system for water waves. J. Math. Study, 49(3), 205-220, 2016.
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