MS21 ~ Monday, May 22, 1995 ~ 2:30 PM

Reaction-Diffusion Patterns

Recent observations of a variety of spatio-temporal patterns in quasi-two- dimensional laboratory reaction-diffusion systems (flames, thin gel chemical reactors, oxidation reactions on metal catalysts) have led to a renewed interest in pattern formation phenomena in chemical systems. Numerical simulations and analyses are being used to examine the stability of chemical fronts and the role of symmetry. Simulations of two-species reaction-diffusion models with cubic kinetics have yielded labyrinthine and replicating spot patterns similar to those observed. The analyses of models also yield new phenomena not yet observed in experiments.

Organizer: Harry L. Swinney , University of Texas, Austin

Self-replicating Chemical Spots
John E. Pearson, Los Alamos National Laboratory
Contour Dynamics for Pattern Formation by Interacting Chemical Fronts
Raymond E. Goldstein, Princeton University
Pattern Formation in the Presence of Symmetries
Gemunu H. Gunaratne, University of Houston
Patterns and Dynamics in Reaction-Diffusion-Advection Equations Modeling Flames
Bernard J. Matkowsky, Northwestern University



3/15/95