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Spatial Pattern Formation Models

This repo contains the codes to simulate some spatial models, these are based in the following papers:

  1. A. J. Koch and H. Meinhardt Biological pattern formation: from basic mechanisms to complex structures

  2. Turing A. The Chemical Basis of Morphogenesis

  3. B. Peña and C. Pérez-García Stability of Turing patterns in the Brusselator model

Parameters

The laplace operatur used was:

equation1

and the time derivative was approximated as

equation2

Activator-Inhibitor

Parameters:

alpha D rho mu sigma kappa
a 0.005 0.01 0.01 0.0 0.0
h 0.200 0.02 0.02 - -

kappa_a was varied from 0.0 to 0.25

deltas

results1

Activator-Substrate

equation3 equation4

Parameters:

alpha D rho mu sigma kappa
a 0.005 0.01 0.01 0.0 0.0
s 0.200 0.02 - 0.02 -

kappa_a was varied from 0.0 to 0.07 in steps of size 0.1

deltas

results_2

Results

Activator-Inhibitor Video

video1 (Click on the image to be directed to the video)

Activator-Substrate Video

video2 (Click on the image to be directed to the video)