Controlling turbulence in the complex Ginzburg-Landau equation

被引：58
|
作者：
Xiao, JH [1 ]
Hu, G
Yang, JZ
Gao, JH
机构：
[1] Beijing Univ Posts & Telecommun, Dept Basic Sci, Beijing 100876, Peoples R China
[2] China Ctr Adv Sci & Technol, Beijing 100080, Peoples R China
[3] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China
来源：
PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 25期
关键词：
D O I：
10.1103/PhysRevLett.81.5552
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Controlling turbulence in the complex Ginzburg-Landau equation (CGLE) is investigated. The CGLE is generalized to include gradient force. Local injections (pinnings) are applied for turbulence control. It is found that local injections are effective in eliminating turbulence. In particular, for large gradient force, it is possible to suppress fully developed turbulence by adding a few injections much less in number than the number of positive Lyapunov exponents of the system. The high efficiency of controlling is heuristically explained, based on the spatial correlation length and space-time-variable transformation.
引用
收藏
页码：5552 / 5555
页数：4
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