求解二阶双曲型方程的自适应网格方法
|
|
周琴,杨银
|
Adaptive Mesh Method for Solving a Second-Order Hyperbolic Equation
|
|
Qin Zhou,Yin Yang
|
|
表 1 移动网格上求解的L2误差(ε2=0.0001)
|
| |
|
| N×M | t=0.5 | r | t=1 | r | t=1.5 | r | t=2 | r | | 50×50 | 9.508E-05 | | 2.797E-04 | | 5.684E-04 | | 9.174E-04 | | | 100×100 | 2.530E-05 | 1.91 | 8.225E-05 | 1.77 | 1.684E-04 | 1.76 | 2.673E-04 | 1.78 | | 200×200 | 8.934E-06 | 1.50 | 2.225E-05 | 1.89 | 4.630E-05 | 1.86 | 7.321E-05 | 1.87 |
|
|
|