Singular integration in the p-version of the finite element and in boundary element methods

被引：0

作者：

Volpert, Yehuda ^{[1
]}

Guo, Xian-Zhong ^{[1
]}

Szabo, Barna ^{[1
]}

机构：

[1] Washington Univ, St. Louis, United States

来源：

Boundary elements communications | 1996年 / 7卷 / 06期

关键词：

Approximation theory - Finite element method - Integral equations - Integration - Polynomials;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Numerical evaluation of the integrals of the form 0∫1(xα lnβ x)P(x)dx where P(x) is a polynomial function on 0 &le x &le 1, is considered. Gaussian type integration is developed. A reliable method for obtaining accurate abscissas and weights is presented. The values of abscissas and weights for α = 0 and β = 1 are given in Appendix A.

引用

页码：247 / 252

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