Fifth-Order Mapped Semi-Lagrangian Weighted Essentially Nonoscillatory Methods Near Certain Smooth Extrema

Figure 2

The numerical results of the Burgers equation at 𝑡=1.5/𝜋 with CFL=5.9, 𝑁=50; (a) M-SL-FV WENO 5 scheme; (b) M-C-SL-FD WENO 5 scheme; solid line: exact solution; circle: computed solution.

(a)

(b)