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Recolector de Ciencia Abierta, RECOLECTA
Bachelor thesis . 2024
License: CC BY NC ND
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Ondas en el agua . La ecuación de Schrödinger no lineal y las olas extremas.

Authors: Castro Hernández, Alberto;

Ondas en el agua . La ecuación de Schrödinger no lineal y las olas extremas.

Abstract

En este trabajo, se deduce la ecuación de Schrödinger No Lineal (NLS) y se buscan soluciones de la misma con el objetivo de construir un prototipo para explicar el fenómeno de la olas extremas, un fenómeno oceanográfico poco frecuente. Para ello, se presentan las ecuaciones de Navier-Stokes para un fluido ideal e incompresible y se caracteriza el problema de frontera libre. Las olas extremas se dan en el régimen de aguas profundas, por lo que se realizan las aproximaciones de dicho régimen al problema de frontera libre. Para resolver estas ecuaciones, se exponen los fallos del desarrollo perturbativo y se introduce el método de escalas múltiples, utilizado para deducir la ecuación NLS. Una vez conseguida esta ecuación, se estudian las soluciones de tipo solitón, el solitón de Ma, el de Akhmediev y el solitón de Peregrine. Este último se ha podido comprobar experimentalmente en tanques de agua y constituye el prototipo fundamental para explicar el fenómeno de las olas extremas. Se adelanta que la NLS es un posible mecanismo de formación de dichas olas, aunque no es el único y puede contener algunas imprecisiones al aplicarlo al océano abierto

Keywords

53, Asymptotic analysis, Rogue waves, Física (Física), Desarrollo perturbativo, Método de escalas múltiples, Solitón, Olas extremas, Nonlinear Schrödinger equation (NLS), Soliton, Multiple sclaes method, 22 Física, Análisis Asintótico, Perturbative expansion, Ecuación de Schrödinger no lineal (NLS),

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green