Table 1 Errors, convergence orders and CPU time for Example 1
Mesh | \(\boldsymbol {\|u-u_{h}\|_{L^{2}(\Omega)}}\) | Order | \(\boldsymbol {|\!|\!|\{y-y_{h},\sigma-\sigma _{h}\}|\!|\!|_{\delta}}\) | Order | CPU time |
|---|---|---|---|---|---|
8*8 | 5.5232E-02 | - | 4.0521E-01 | - | 5s |
16*16 | 2.7731E-02 | 0.99 | 1.9822E-01 | 1.03 | 26s |
32*32 | 1.3741E-02 | 1.01 | 9.8230E-02 | 1.01 | 127s |
64*64 | 6.9009E-03 | 0.99 | 4.8929E-02 | 1.01 | 761s |