Reaction-diffusion system — Turing patterns and chemical waves
Parameter A
1.00
Parameter B
3.00
Diffusion U (Du)
0.08
Diffusion V (Dv)
0.04
Speed
4
The Brusselator is a theoretical model for an autocatalytic chemical reaction: A→U, B+U→V+D, 2U+V→3U, U→E.
When B > 1+A², the homogeneous steady state loses stability via a Hopf bifurcation,
generating oscillations. With diffusion, Turing instability creates spatial patterns.
Click either canvas to perturb the field. Left = U concentration, Right = V concentration.