Large-amplitude internal solitary waves in a two-fluid model
We compute solitary wave solutions of a Hamiltonian model for large-amplitude long internal waves in a two-layer stratification. Computations are performed for values of the density and depth ratios close to oceanic conditions, and comparisons are made with solutions of both weakly and fully nonline...
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Veröffentlicht in: | Comptes rendus. Mecanique 2006-06, Vol.334 (6), p.341-346 |
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creator | Guyenne, Philippe |
description | We compute solitary wave solutions of a Hamiltonian model for large-amplitude long internal waves in a two-layer stratification. Computations are performed for values of the density and depth ratios close to oceanic conditions, and comparisons are made with solutions of both weakly and fully nonlinear models. It is shown that characteristic features of highly nonlinear solitary waves such as broadening are reproduced well by the present model.
To cite this article: Ph. Guyenne, C. R. Mecanique 334 (2006).
Nous calculons numériquement des solutions en ondes solitaires d'un modèle hamiltonien décrivant les ondes internes longues de grande amplitude dans un milieu stratifié à deux couches. Ces solutions numériques sont calculées pour des valeurs de rapports de densité et de profondeur proches des conditions océaniques, et sont comparées avec les solutions de modèles faiblement et pleinement non-linéaires. Les résultats montrent que le modèle reproduit bien les caractéristiques des ondes solitaires fortement non-linéaires telles que le phénomène d'élargissement.
Pour citer cet article : Ph. Guyenne, C. R. Mecanique 334 (2006). |
doi_str_mv | 10.1016/j.crme.2006.05.001 |
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To cite this article: Ph. Guyenne, C. R. Mecanique 334 (2006).
Nous calculons numériquement des solutions en ondes solitaires d'un modèle hamiltonien décrivant les ondes internes longues de grande amplitude dans un milieu stratifié à deux couches. Ces solutions numériques sont calculées pour des valeurs de rapports de densité et de profondeur proches des conditions océaniques, et sont comparées avec les solutions de modèles faiblement et pleinement non-linéaires. Les résultats montrent que le modèle reproduit bien les caractéristiques des ondes solitaires fortement non-linéaires telles que le phénomène d'élargissement.
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To cite this article: Ph. Guyenne, C. R. Mecanique 334 (2006).
Nous calculons numériquement des solutions en ondes solitaires d'un modèle hamiltonien décrivant les ondes internes longues de grande amplitude dans un milieu stratifié à deux couches. Ces solutions numériques sont calculées pour des valeurs de rapports de densité et de profondeur proches des conditions océaniques, et sont comparées avec les solutions de modèles faiblement et pleinement non-linéaires. Les résultats montrent que le modèle reproduit bien les caractéristiques des ondes solitaires fortement non-linéaires telles que le phénomène d'élargissement.
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To cite this article: Ph. Guyenne, C. R. Mecanique 334 (2006).
Nous calculons numériquement des solutions en ondes solitaires d'un modèle hamiltonien décrivant les ondes internes longues de grande amplitude dans un milieu stratifié à deux couches. Ces solutions numériques sont calculées pour des valeurs de rapports de densité et de profondeur proches des conditions océaniques, et sont comparées avec les solutions de modèles faiblement et pleinement non-linéaires. Les résultats montrent que le modèle reproduit bien les caractéristiques des ondes solitaires fortement non-linéaires telles que le phénomène d'élargissement.
Pour citer cet article : Ph. Guyenne, C. R. Mecanique 334 (2006).</abstract><pub>Elsevier SAS</pub><doi>10.1016/j.crme.2006.05.001</doi><tpages>6</tpages></addata></record> |
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source | Elsevier ScienceDirect Journals; EZB-FREE-00999 freely available EZB journals |
subjects | Fluid mechanics Hamiltonian systems Internal waves Marine Mécanique des fluides Ondes internes Ondes solitaires Solitary waves Systèmes hamiltoniens |
title | Large-amplitude internal solitary waves in a two-fluid model |
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