Pattern dynamics in inhomogeneous active media

S. Bouzat and H.S. Wio

Physica A: Statistical Mechanics and its Applications, 2001, vol. 293, issue 3, 405-420

Abstract: We study pattern dynamics in inhomogeneous active media described by a reaction–diffusion model. This is done by means of numerical simulations in one-, two- and three-dimensional systems with radial symmetry. We consider inhomogeneities corresponding to the space variation of the (nonlinear) reaction characteristic of the system. Two different problems are treated: a bistable domain immersed in an oscillatory medium and an oscillatory domain immersed in an excitable medium. The different complex behaviours arising in these systems are studied.

Keywords: Reaction–diffusion; Inhomogeneous media; Spatiotemporal chaos (search for similar items in EconPapers)
Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:293:y:2001:i:3:p:405-420

DOI: 10.1016/S0378-4371(00)00636-1

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