THE EXTRAPOLATION METHOD FOR A CLASS OF NON-SMOOTH FREDHOLM INTEGRAL EQUATIONS

被引：0

作者：

SHI Jun (Institute of Systems Science

机构：

来源：

SystemsScienceandMathematicalSciences | 1992年 / 01期

关键词：

Finite element; superconvergence; extrapolation method; local refinement mesh; error asymptotic expansion;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

For a class of non-smooth Fredholm integral equations we prove thatRichardson extrapolation method can be used to increase accuracy for finite ele-ment methods.On the basis of local refinement mesh,a superconvergence result isshown.Our theory also covers a class of non-smooth Wiener-Hopf equations andan application includes the calculation in certain linear elastic fracture problems.

引用

页码：33 / 41

页数：9

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