Pointwise error estimates for finite element solutions of the Stokes problem

被引:37
|
作者
Chen, H [1 ]
机构
[1] Texas A&M Univ, Inst Sci Computat, College Stn, TX 77840 USA
关键词
finite element method; pointwise error estimate; Stokes problem;
D O I
10.1137/S0036142903438100
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper pointwise error estimates for general finite element approximations of the Stokes problem are established on quasi-uniform grids in RN. The results obtained in this paper improve and extend the existing error estimates in the maximum norm for the Stokes problem. The new pointwise error estimates exhibit a more local dependence of the errors on the true solution and as a by-product provide logarithm-free bounds for all errors except the error of the velocity approximation of the lowest order.
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页码:1 / 28
页数:28
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