网格数 | 误差 | 收敛阶 | 误差 | 收敛阶 | 误差 | 收敛阶 |
25 | 2.5000e−3 | − | 7.9100e−4 | − | 1.0300e−2 | − |
50 | 4.6408e−4 | 2.429 | 1.1459e−4 | 2.787 | 2.6000e−3 | 1.986 |
100 | 9.3563e−5 | 2.310 | 1.8442e−5 | 2.635 | 8.4955e−4 | 1.614 |
200 | 1.7157e−5 | 2.447 | 3.003e−6 | 2.620 | 2.5588e−4 | 1.731 |
400 | 3.0300e−6 | 2.507 | 4.8562e−7 | 2.627 | 7.7034e−5 | 1.732 |
800 | 5.2451e−7 | 2.530 | 7.8517e−8 | 2.629 | 2.3320e−5 | 1.724 |