Crest pairing predicted by modulation theory
Crest pairing predicted by modulation theory
复制标题
通过调制理论预测的波峰配对
DOI：
10.1029/97jc03284
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发表时间：
1998
影响因子：
--
通讯作者：
K. Trulsen
中科院分区：
文献类型：
--
作者：
K. Trulsen
水面波的波峰配对是线性频散的结果，可用线性薛定谔方程预测波列的缓慢演化。线性理论也解释了为什么在波群前面观察到波峰配对。非线性的作用是将足够的能量重新分配给边带，从而使线性色散机制变得有效。波群的传播速度快于线群速度，这与实验观测也是定量一致的。
Crest pairing of water surface waves is a consequence of linear dispersion alone and is predicted by the linear Schrodinger equation for the slow evolution of a wave train. Linear theory also explains why crest pairing is observed in front of a wave group. The role of nonlinearity is to redistribute sufficient energy to the sidebands such that the linear dispersive mechanism can become effective. There is also quantitative agreement with experimental observations for the propagation of a wave group faster than the linear group velocity.