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タイトルLinear and nonlinear propagation of water wave groups
著者(英)Hui, W. H.; Pierson, W. J., Jr.; Donelan, M. A.
著者所属(英)NASA Headquarters; Jet Propulsion Lab., California Inst. of Tech.
発行日1992-04-15
言語eng
内容記述Results are presented from a study of the evolution of waveforms with known analytical group shapes, in the form of both transient wave groups and the cloidal (cn) and dnoidal (dn) wave trains as derived from the nonlinear Schroedinger equation. The waveforms were generated in a long wind-wave tank of the Canada Centre for Inland Waters. It was found that the low-amplitude transients behaved as predicted by the linear theory and that the cn and dn wave trains of moderate steepness behaved almost as predicted by the nonlinear Schroedinger equation. Some of the results did not fit into any of the available theories for waves on water, but they provide important insight on how actual groups of waves propagate and on higher-order effects for a transient waveform.
NASA分類OCEANOGRAPHY
レポートNO92A34178
権利Copyright


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