Figure 3From: A mass-conservative higher-order ADI method for solving unsteady convection–diffusion equationsAbsolute error and its contour by the DHOC-ADI scheme using \(h_{x}=h_{y}=0.05\), \(\tau =0.00625\) (top) and \(h_{x}=h_{y}=0.025\), \(\tau =0.0001\) (bottom)Back to article page