Dynamical instabilities cause extreme events in a theoretical Brusselator model

S.V. Manivelan, S. Sabarathinam, K. Thamilmaran and I. Manimehan

Chaos, Solitons & Fractals, 2024, vol. 180, issue C

Abstract: In this manuscript, we report the rich dynamics of the theoretical Brusselator model, which is driven by a periodic external force. We observed and confirmed a variety of dynamical features with the most interesting extreme events behaviour in the proposed system. The dynamics of the system are characterised by the bifurcation diagram, Lyapunov exponent, phase portraits, and time series segments. The extreme events behaviour is characterised by the probability distribution function, instantaneous phase calculation, and Poincaré return map. Real-time hardware experiments were carried out using an analog electronic circuit, and the outcomes of the experimental observations were confirmed with the numerically obtained results. To the best of our knowledge, we believe that it is for the first time that the occurrence of extreme events has been reported using both the numerical simulation studies and the real-time analog electronic experimental observations on this forced Brusselator chemical model.

Keywords: Brusselator; Chaos; Extreme events; Experimental circuit; Phase Slip; Brusselator circuit (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:180:y:2024:i:c:s0960077924001334

DOI: 10.1016/j.chaos.2024.114582

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