Brusselator Reaction-Diffusion

Two-species system forming Turing patterns via diffusion-driven instability

Brusselator equations:
∂u/∂t = A − (B+1)u + u²v + Du∇²u
∂v/∂t = Bu − u²v + Dv∇²v

Fixed point:
u* = A, v* = B/A

Turing instability when:
Dv/Du > (B−1+A²)² / (A²−...)
Step: 0