HIGHER-ORDER BRAGG REFLECTION OF GRAVITY SURFACE-WAVES BY PERIODIC BEDS

被引：124
作者：
GUAZZELLI, E [1 ]
REY, V [1 ]
BELZONS, M [1 ]
机构：
[1] UNIV PROVENCE,CTR ST JEROME,SETT,DEPT PHYS SYST DESORDONNES,CNRS,URA 1168,F-13397 MARSEILLE 13,FRANCE
来源：
JOURNAL OF FLUID MECHANICS | 1992年 / 245卷
关键词：
D O I：
10.1017/S0022112092000478
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Experiments are described which demonstrate higher-order Bragg resonant interactions between linear gravity waves and doubly sinusoidal beds. These higher-order effects, which include harmonic and subharmonic Bragg reflections, have been observed by making very precise measurements in a wave tank. Subharmonic reflection was found to be very large, even for small bottom undulation amplitudes. The experimental data are compared with the predictions of a numerical model based on the full potential theory of linear waves.
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页码：301 / 317
页数：17
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