Figure 9From: Unconditionally energy stable second-order numerical scheme for the Allen–Cahn equation with a high-order polynomial free energyEvolution of \(\phi (x,y,z,t)\) with \(\Delta x=\Delta y=\Delta z=\frac{1}{64}\), \(\epsilon =\Delta x\), and \(\Delta t=10 \epsilon ^{2}\)Back to article page