Ready _ Diffusion Reaction Patterns _ Ginzburg-Landau

2D patterns

2chemicals


2chemicals 0.125alpha


D_a = 0.8, D_b=_0.2


delta_a = D_a * laplacian_a + alpha*b - gamma*a + (-beta*a + delta*b)*(a*a+b*b);
delta_b = D_b * laplacian_b + alpha*b + gamma*a + (-beta*b - delta*a)*(a*a+b*b);

3D Patterns

3 Chemicals


D_a=0.2


D_a=0.8


delta_a = D_a * laplacian_a + alpha*b - gamma*a + (-beta*a + delta*b)*(a*a+b*b);
delta_b = D_b * laplacian_b + alpha*b + gamma*a + (-beta*b - delta*a)*(a*a+b*b);
c = sqrt(a*a + b*b);

3D Patterns in 3D shapes

1) Basic       2) D_a=0.4      3)D_a=0.2, D_b=0.2      4)D_b=0.2