Scheme

mesh

$E_{L_1}$

$orde{r}_{L_1}$

$E_{L_{\infty }}$

$orde{r}_{L_{\infty }}$

New scheme

20

3.876e−002

——

9.69e−002

——

40

1.28e−004

8.24228

2.012e−004

8.91172

80

1.4367e−005

3.12845

2.2976e−005

3.13043

160

1.006e−006

3.86292

1.598e−006

3.84579