FREQUENCY TRANSITION OF COHERENT STRUCTURES IN FARADAY SURFACE WAVES

被引：2
|
作者：
Kahan, Sandra [1 ]
Cabeza, Cecilia [1 ]
Pelaez, Marcela [1 ]
Bove, Italo [1 ]
Montagne, Raul [2 ]
机构：
[1] Univ Republica, Inst Fis, Montevideo, Uruguay
[2] Univ Fed Rural Pernambuco, Dept Fis, BR-52171900 Recife, PE, Brazil
来源：
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS | 2009年 / 19卷 / 08期
关键词：
Faraday instability; coherent structures; surface waves; SPATIOTEMPORAL CHAOS; PATTERNS;
D O I：
10.1142/S0218127409024335
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Proper Orthogonal Decomposition (POD) was used as a suitable tool to characterize the evolution of fingers regime in Faraday instability. The transition from harmonic to subharmonic resonant finger behavior was thus studied. A cluster algorithm and Voronoi neighbor statistics were used to characterize the surface peak distribution for the principal spatial pattern. The structural transition was analyzed for varying acceleration amplitude used as system control parameter.
引用
收藏
页码：2589 / 2596
页数：8
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