Synchronization of rescaled adaptive coupling and its application to shock capturing

Details Synchronization of rescaled adaptive coupling and its application to shock capturing Synchronization of rescaled adaptive coupling and its application to shock capturing

2000-09-27

arxiv.org/abs/nlin/0009048v1

Nonlinear Sciences

Chaotic Dynamics

6 pages, 2 figures

Scientific paper

This Letter proposes a rescaled adaptive coupling scheme for the synchronization of spatially extended systems. Coupling and synchronization are analyzed from the point view of image filter construction. A length rescaling technique is introduced based on dimensional argument of control process. Control sensors are adaptively selected according to local information. The coupling strength on each sensor is automatically adjusted according to the magnitude of local oscillations. We demonstrate that the present scheme can efficiently suppress and control spatiotemporal oscillations and thus, provide a powerful approach for shock capturing. Both the Navier-Stokes equation describing shear layer flows around a jet and Burgers' equation are solved to illustrate the idea.

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