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

被引：120

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.

引用

页码：301 / 317

页数：17

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