机构地区: 河北科技师范学院欧美学院
出 处: 《佳木斯大学学报(自然科学版)》 2009年第1期129-131,共3页
摘 要: 将四边形Wilson元应用到一类完全非线性抛物方程,在半离散格式下,得到其Galerkin近似解与精确解的最优L2模与Sh模误差估计. A kind of strongly nonlinear parabolic equations is solved by Wilson finite element method with quadrilateral meshes. The optimal error estimation in L^T2 norm and S_h norm for the semidiscrete scheme was derived.