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
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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.
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页码：33 / 41
页数：9
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