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Governing equations of envelopes created by nearly bichromatic waves on deep water

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Abstract

In this paper, the author derives the modified Schrödinger equation that governs the envelope created by nearly bichromatic waves, which are defined by the waves whose energy is almost concentrated in two closely approached wavenumbers. The stability of the solution of the modified Schrödinger equation for nearly bichromatic waves on deep water is discussed and the fact that the Benjamin–Feir instability occurs in a condition is shown. Moreover, the solutions of the modified Schrödinger equation for nearly bichromatic waves on deep water are obtained and, in a special case, the solution becomes the standing wave solution is shown.

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Authors and Affiliations

  1. Department of Electronic and Computer Engineering, Musashi Institute of Technology, Tamazutsumi, Setagaya, Tokyo, 158-8557, Japan

    Ben T. Nohara

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  1. Ben T. Nohara
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Correspondence to Ben T. Nohara.

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Nohara, B.T. Governing equations of envelopes created by nearly bichromatic waves on deep water. Nonlinear Dyn 50, 49–60 (2007). https://doi.org/10.1007/s11071-006-9142-9

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  • DOI: https://doi.org/10.1007/s11071-006-9142-9

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