Research Article

A Multilevel Finite Difference Scheme for One-Dimensional Burgers Equation Derived from the Lattice Boltzmann Method

Table 1

Comparison of the LB finite difference solutions with exact solution at 𝑇 = 0 . 1 for 𝜈 = 1 with 𝜏 = 1 .

𝑥 Numerical solution Exact solution
𝑁 = 1 0 𝑁 = 2 0 𝑁 = 1 0 0

0.10.00847 0.01059 0.01129 0.01132
0.20.01370 0.01715 0.01828 0.01833
0.30.01371 0.01716 0.01830 0.01835
0.40.00848 0.01061 0.01132 0.01135
0.50.00000 0.00000 0.00000 0.00000
0.6−0.00848 −0.01061 −0.01132 −0.01135
0.7−0.01371 −0.01716 −0.01830 −0.01835
0.8−0.01370 −0.01715 −0.01829 −0.01833
0.9−0.00847 −0.01059 −0.01129 −0.01132