Time-Splitting Procedures for the Numerical Solution of the 2D Advection-Diffusion Equation

Figure 10

3D plots of relative phase error versus 𝜔_𝑥 versus 𝜔_𝑦 at ℎ=0.025 at some different values of 𝑘 for the LOD (1,5) procedure.

(a) ℎ=0.025,𝑘=0.005

(b) ℎ=0.025,𝑘=0.01

(c) ℎ=0.025,𝑘=0.02

(d) ℎ=0.025,𝑘=0.025