Turbulence control by developing a spiral wave with a periodic signal injection in the complex Ginzburg-Landau equation

Details Turbulence control by developing a spiral wave with a periodic signal injection in the complex Ginzburg-Landau equation Turbulence control by developing a spiral wave with a periodic signal injection in the complex Ginzburg-Landau equation

2003-06-18

arxiv.org/abs/cond-mat/0306459v1

Phys. Rev. E, Vol. 67, 016214 (2003)

Physics

Condensed Matter

Soft Condensed Matter

12 pages, figures can be found in the following journal

Scientific paper

10.1103/PhysRevE.67.016214

Turbulence control in the two-dimensional complex Ginzburg-Landau equation is investigated. A new approach is proposed for the control purpose. In the presence of a small spiral wave seed initiation, a fully developed turbulence can be completely annihilated by injecting a single periodic signal to a small fixed space area around the spiral wave tip. The control is achieved in a parameter region where the spiral wave of the uncontrolled system is absolutely unstable. The robustness, convenience and high control efficiency of this method is emphasized, and the mechanism underlying these practical advantages are intuitively understood.

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