Three-dimensional tidal sand waves

被引：7

作者：

Blondeaux, Paolo ^{[1
]}

Vittori, Giovanna ^{[1
]}

机构：

[1] Univ Genoa, Dept Civil Environm & Architectural Engn, I-16145 Genoa, Italy

来源：

JOURNAL OF FLUID MECHANICS | 2009年 / 618卷

关键词：

SEA WAVES; STABILITY; RIPPLES;

D O I：

10.1017/S0022112008004138

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The process which leads to the formation of three-dimensional sand waves is investigated by means of a stability analysis which considers the time development of a small-amplitude bottom perturbation of a shallow tidal sea. The weakly nonlinear interaction of a triad of resonant harmonic components of the bottom perturbation is considered. The results show that the investigated resonance mechanism call trigger the formation of a three-dimensional bottom pattern similar to that observed in the field.

引用

页码：1 / 11

页数：11

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