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Externally controlled anisotropy in pattern-forming reaction-diffusion systems

par Escala, Darío Martín ;Guiu-Souto, Jacobo;Munuzuri, Alberto A.P.
Référence Chaos, 25, 6, page (064309)
Publication Publié, 2015-06

Article révisé par les pairs

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Résumé :

The effect of centrifugal forces is analyzed in a pattern-forming reaction-diffusion system. Numerical simulations conducted on the appropriate extension of the Oregonator model for the Belousov-Zhabotinsky reaction show a great variety of dynamical behaviors in such a system. In general, the system exhibits an anisotropy that results in new types of patterns or in a global displacement of the previous one. We consider the effect of both constant and periodically modulated centrifugal forces on the different types of patterns that the system may exhibit. A detailed analysis of the patterns and behaviors observed for the different parameter values considered is presented here.