Numerical construction of nonlinear wave-train solutions of the periodic Korteweg-de Vries equation.

Numerical construction of nonlinear wave-train solutions of the periodic Korteweg-de Vries equation.
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周期性 Korteweg-de Vries 方程非线性波列解的数值构造。

DOI:
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发表时间:
1993
期刊:
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
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通讯作者:
Osborne
Osborne
中科院分区:
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文献类型:
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作者:
Osborne

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我们讨论了构造周期Korteweg-de Vries(KdV)方程精确的非线性波列解的数值方法。我们使用了一种有效的方法,它是波动的非线性傅立叶分解,用周期逆散射变换µ表示来表示。我们构造了同时具有窄带和宽带傅立叶谱的解,并讨论了复杂的、非线性波动传播的一些物理后果。
We discuss a numerical procedure for the construction of exact, nonlinear wave train solutions of the periodic Korteweg-de Vries (KdV) equation. We use an approach which is effectively a nonlinear Fourier decomposition of the wave motion formulated in terms of the periodic inverse scattering transform µ-representation. We construct solutions which have both narrow and broad-banded Fourier spectra and discuss some physical consequences of the propagation of complex, nonlinear wave motions.