Path-following for disjoint bifurcation problems arising in ignition theory

E. Balakrishnan*, A. Swift, G. C. Wake

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


The correct formulation governing the ignition of a solid reactant undergoing slow oxidation gives rise to a nonlinear problem which in symmetrical geometries (infinite slab, cylinder, and sphere) is a two point boundary value problem. The discontinuity in the smallest branch of steady-states is the threshold for ignition. The solution branches are found by modifications of the path-following software (AUTO). Gross multiplicity of steady-states occurs for dimensions greater than two, and in all cases, the diagrams exhibit "disjointedness" for some parameter values which require special redefinition of the nonlinearity.

Original languageEnglish
Pages (from-to)9-15
Number of pages7
JournalMathematical and Computer Modelling
Issue number9
Publication statusPublished - May 1994


  • Combustion
  • Limit points
  • Nonlinear systems
  • Numerics

ASJC Scopus subject areas

  • Modelling and Simulation
  • Computer Science Applications


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