Stability analysis of flame fronts: Dynamical systems approach in the complex plane

Oleg Kupervasser, Zeev Olami, Itamar Procaccia

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

We consider flame front propagation in channel geometries. The steady-state solution in this problem is space dependent and therefore the linear stability analysis is described by a partial integro-differential equation with a space-dependent coefficient. Accordingly, it involves complicated eigenfunctions. We show that the analysis can be performed using a finite-order dynamical system in terms of the dynamics of singularities in the complex plane, yielding a detailed understanding of the physics of the eigenfunctions and eigenvalues.

Original languageEnglish
Pages (from-to)2587-2593
Number of pages7
JournalPhysical Review E
Volume59
Issue number3
DOIs
StatePublished - 1999
Externally publishedYes

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