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- W2779977993 abstract "Les breathers sont communement utilises en physique pour examiner des problemes d'ondes modulees et instables. Pour le cas des ondes de surface, c'est un modele interessant pour expliquer un des mecanisme d'apparition des vagues scelerates. Les breathers sont solutions de l'equation non lineaire de Schrodinger. Les solutions de cette equation peuvent etre stables ou instables en fonction du parametre kh lie a la profondeur et au nombre d'onde. Si kh est inferieur a un seuil egal a 1.363, la solution est stable. Donc le domaine d'application des breathers est de ce fait limite aux grandes profondeurs. Cependant, on peut se demander qu'elle est l'evolution de ces trains de vagues quand ils rentrent dans la zone cotiere. Pour repondre a cette question, une serie d'experiences a ete realisee au Tainan Hydraulics Laboratory (THL) a Taiwan. Summary Breathers are commonly used in physics to deal with modulated and instable wave train problems. For the free surface wave, it is an interesting model to explain one mechanism of the appearance of rogue waves. Breathers are analytical solutions of the nonlinear Schrodinger equation. The solutions of this equation can be stable or unstable according to the parameter kh which depends on the wave number and the water depth. If kh is lower than a threshold equal to 1.363, the solution is stable. Therefore, the applicability domain of the breather is limited to deep water. However, one may ask, what the evolution of these wave trains is when they enter in the coastal zone. To answer this question, an experimental campaign were conducted at the Tainan Hydraulics Laboratory (THL) a Taiwan." @default.
- W2779977993 created "2018-01-05" @default.
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- W2779977993 date "2016-11-01" @default.
- W2779977993 modified "2023-09-24" @default.
- W2779977993 title "Persistance des breathers dans les zones de faibles profondeurs" @default.
- W2779977993 hasPublicationYear "2016" @default.
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