期刊
NONLINEAR DYNAMICS
卷 50, 期 1-2, 页码 49-60出版社
SPRINGER
DOI: 10.1007/s11071-006-9142-9
关键词
envelope; governing equations; group waves; nearly bichromatic waves; nearly monochromatic waves; schrodinger equation
In this paper, the author derives the modified Schrodinger 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 Schrodinger 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 Schrodinger 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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