Figure 2From: Unconditionally energy stable second-order numerical scheme for the Allen–Cahn equation with a high-order polynomial free energyRelative \(l_{2}\)-errors of \(\phi (x,t_{f})\) with different p for \(16,24,\ldots ,256\) grid points and \(\Delta t=t_{f}/2^{12}, t_{f}/2^{11}, \ldots , t_{f}/2^{7}\) with \(\epsilon =0.02\)Back to article page