TNNP model. 1D travelling waves
We include diffusion term D Δu =
D ∂2u / ∂x2 to get running waves
(D = 0.001 cm2/ms).
This script uses Rush and Larsen
integration scheme. It makes it time steps
per frame. x length is 1000Δx.
Set it > 100 to test wave speed.
updated 29 May 2012