Nonlinear Dispersive Waves and Whitham’s Equations

Lokenath Debnath ()
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Lokenath Debnath: University of Texas, Pan American, Department of Mathematics

Chapter 7 in Nonlinear Partial Differential Equations for Scientists and Engineers, 2012, pp 355-379 from Springer

Abstract: Abstract Historically, the study of nonlinear dispersive waves started with the pioneering work of Stokes in (Trans. Camb. Philos. Soc. 8:197–229, 1847) on water waves. Stokes first proved the existence of periodic wavetrains which are possible in nonlinear dispersive wave systems. He also determined that the dispersion relation on the amplitude produces significant qualitative changes in the behavior of nonlinear waves. It also introduces many new phenomena in the theory of dispersive waves, not merely the correction of linear results. These fundamental ideas and the results of Stokes have provided a tremendous impact on the subject of nonlinear water waves, in particular, and on nonlinear dispersive wave phenomena, in general. Stokes’ profound investigations on water waves can be considered as the starting point for the modern theory of nonlinear dispersive waves. In fact, most of the fundamental concepts and results on nonlinear dispersive waves originated in the investigation of water waves. The study of nonlinear dispersive waves has proceeded at a very rapid pace with remarkable developments over the past three decades.

Keywords: Dispersion Relation; Solitary Wave; Group Velocity; Water Wave; Dispersive Wave (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1007/978-0-8176-8265-1_7

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