EXAMPLE 1: A.-C. evolution

Zero level set of the Allen-Cahn evolution at time t=0.05


Allen-Cahn evolution at times 0.05, 0.10, 0.15, 0.20


Hausdorff distance interface errors

eps 0.4 0.28 0.2
h 0.04 0.028 0.02
t=0.05 0.036 0.030 0.028
t=0.10 0.042 0.038 0.042
t=0.15 0.066 0.047 0.055
t=0.20 0.166 0.076 0.064

Comparison at time t=0.05.
light: exact solution.
dark: Allen-Cahn approximation.

Comparison at time t=0.10.
light: exact solution.
dark: Allen-Cahn approximation.