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	Wave decomposition phenomenon and spectrum evolution over submerged bars
	Li Benxia ; Yu Xiping
	2010-10-12 ; 2010-10-12
关键词	wave decomposition spectrum evolution nonlinear waves irregular waves submerged bars LINEAR DISPERSION CHARACTERISTICS BOUSSINESQ EQUATIONS NUMERICAL-SIMULATION PROPAGATION GENERATION FORM Oceanography
中文摘要	Wave decomposition phenomenon and spectrum evolution over submerged bars are investigated by a previously developed numerical model. First, the computed free surface displacements of regular waves at various locations are compared with the available experimental data to confirm the validity of the numerical model, and satisfactory agreements are obtained. In addition, variations of decomposition characteristics with incident wave parameters and the change of energy spectrum for regular waves are also studied. Then the spectrum evolution of irregular waves over submerged bars, as well as the influence of incident peak wave period and the steepness of the front slope of the bar on spectrum evolution, is investigated. Wave decomposition and spectral shape are found to be significantly influenced by the incident wave conditions. When the upslope of the bar becomes 1:2. the length of the slope becomes shorter and will not benefit the generation of high frequency energy, so spectrum evolution is not significant.
语种	英语 ; 英语
出版者	CHINA OCEAN PRESS ; BEIJING ; INTERNATIONAL DEPT, 8 DA HUI SHI, BEIJING 100081, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82026]
专题	清华大学
推荐引用方式 GB/T 7714	Li Benxia,Yu Xiping. Wave decomposition phenomenon and spectrum evolution over submerged bars[J],2010, 2010.
APA	Li Benxia,&Yu Xiping.(2010).Wave decomposition phenomenon and spectrum evolution over submerged bars..
MLA	Li Benxia,et al."Wave decomposition phenomenon and spectrum evolution over submerged bars".(2010).

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