A-POSTERIORI ERROR ESTIMATOR FOR NONCONFORMING FINITE-ELEMENT METHODS

被引：12

作者：

AGOUZAL, A ^{[1
]}

机构：

[1] UNIV PAU & PAYS ADOUR,CNRS,URA 1204,F-64000 PAU,FRANCE

来源：

APPLIED MATHEMATICS LETTERS | 1994年 / 7卷 / 05期

关键词：

A POSTERIORI ERROR ESTIMATOR; NONCONFORMING FINITE ELEMENT METHODS;

D O I：

10.1016/0893-9659(94)90074-4

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We present a method for computing a posteriori error bounds for piecewise linear nonconforming approximate solution of elliptic equations. The upper error estimator is a quadratic function of free parameters. Optimal error bounds are obtained by solving a quadratic minimization problem. The feature of the method is that error estimates do not require the high regularity for the exact solution of the original problem.

引用

页码：61 / 66

页数：6

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