Behavior of a zonal flow near the threshold

被引：2
|
作者：
Marchenko, VS [1 ]
Goloborod'ko, VY [1 ]
Reznik, SN [1 ]
机构：
[1] Ukrainian Acad Sci, Inst Nucl Res, UA-03680 Kiev, Ukraine
来源：
PHYSICS OF PLASMAS | 2003年 / 10卷 / 12期
关键词：
D O I：
10.1063/1.1627330
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Numerical solutions of the model equation describing nonlinear dynamics of a zonal flow near marginal stability [Phys. Rev. Lett. 89, 185002 (2002)] are presented for different parameter regimes. The present simulations confirm the conclusion that below certain critical values of the drift wave to zonal flow growth rates ratio the system bifurcates from the stationary state to limit cycle behavior. Well below the bifurcation point, oscillations of the zonal flow amplitude become chaotic. (C) 2003 American Institute of Physics.
引用
收藏
页码：4913 / 4915
页数：3
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