Bray-Liebhafsky oscillations

W. R. Derrick, L. V. Kalachev

Research output: Contribution to journalArticlepeer-review

Abstract

A system describing an oscillating chemical reaction (known as a Bray-Liebhafsky oscillating reaction) is considered. It is shown that large amplitude oscillations arise through a homoclinic bifurcation and vanish through a subcritical Hopf bifurcation. An approximate locus of points corresponding to the homoclinic orbit in a parameter space is calculated using a variation of the Bogdanov-Takens-Carr method. A special feature of the problem is related to the fact that nonlinear terms in the equations contain square and cubic roots of expressions depending on the unknowns. For a particular model considered it is possible to obtain most of the results analytically.

Original languageEnglish
Pages (from-to)133-144
Number of pages12
JournalJournal of Nonlinear Science
Volume10
Issue number1
DOIs
StatePublished - 2000

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