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Digitale Medien

Attractors and transients for a perturbed periodic KdV equation: A nonlinear spectral analysis (1993)

Ercolani, N. M. ; McLaughlin, D. W. ; Roitner, H.

Springer

Journal of nonlinear science 3 (1993), S. 477-539

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Details

ISSN: 1432-1467

Schlagwort(e): nearly integrable systems ; spectral transform ; attractors ; traveling waves ; stability ; numerical methods

Quelle: Springer Online Journal Archives 1860-2000

Thema: Mathematik , Physik

Notizen: Summary In this paper we rigorously show the existence and smoothness inε of traveling wave solutions to a periodic Korteweg-deVries equation with a Kuramoto-Sivashinsky-type perturbation for sufficiently small values of the perturbation parameterε. The shape and the spectral transforms of these traveling waves are calculated perturbatively to first order. A linear stability theory using squared eigenfunction bases related to the spectral theory of the KdV equation is proposed and carried out numerically. Finally, the inverse spectral transform is used to study the transient and asymptotic stages of the dynamics of the solutions.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02429875

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