FitzHugh-Nagumo model. Click in the window to start

∂U/∂t = F(U, V) = D_u∇²U + (U(1 - U)(U - a) - V),
∂V/∂t = H(U, V) = (bU - V - δ)ε , Domain: 512 x 512 cells

Check to plot spiral trajectory

Distance between them:

Stimulus size when clicking with the mouse:

Stimulate with period: (time between periods fps )
from x: and y:

a b δ ε dt dx
Plot Voltage from x: and y:

Time

iterations delay

framerate: 57fps

Simulation time:x500xdt