讨论各向异性网格下线性三角形有限元对二阶双曲方程的逼近问题。通过一系列新的技巧与方法,得到了相应的超逼近性和超收敛性结果。
Linear triangular element is considered to solve second order hyperbolic equations on anisotropic meshes in 2 - D. The super closeness and super convergence results are obtained by a set of novel techniques.