Equilibrated residual error estimator for edge elements

被引：0
|
作者：
Braess, Dietrich [1 ]
Schoeberl, Joachim [2 ]
机构：
[1] Ruhr Univ Bochum, Fac Math, D-44780 Bochum, Germany
[2] Univ Aachen, Rhein Westfal TH Aachen, Ctr Computat Engn Sci, D-52062 Aachen, Germany
来源：
MATHEMATICS OF COMPUTATION | 2008年 / 77卷 / 262期
关键词：
a posteriori error estimates; Maxwell equations;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Reliable a posteriori error estimates without generic constants can be obtained by a comparison of the finite element solution with a feasible function for the dual problem. A cheap computation of such functions via equilibration is well known for scalar equations of second order. We simplify and modify the equilibration such that it can be applied to the curl-curl equation and edge elements. The construction is more involved for edge elements since the equilibration has to be performed on subsets with different dimensions. For this reason, Raviart-Thomas elements are extended in the spirit of distributions.
引用
收藏
页码：651 / 672
页数：22
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