| 二维非连续边界元分析积分计算的精确表达式 |
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| 引用本文： | 王洪军,张效松. 二维非连续边界元分析积分计算的精确表达式[J]. 石家庄铁道学院学报(社会科学版), 2006, 0(2): 47-50 |
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| 作者姓名： | 王洪军 张效松 |
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| 作者单位： | 石家庄铁道学院工程力学系,河北石家庄050043 |
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| 摘 要： | 以二维弹性力学问题为研究对象，采用线性非连续元离散边界积分方程，给出了系数矩阵计算的精确表达式，对二维弹性力学问题进行了数值计算，对非连续边界元配位点对计算结果精度的影响进行了讨论，结果表明准奇异积分计算是配位点影响计算结构精度的主要因素。
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| 关 键 词： | 非连续边界元 精确表达式 准奇异积分 配位因子 |
| 修稿时间： | 2005-05-20 |
Closed-formed Expressions for Accurate Evaluation of Integrals Associated with Two-dimensional Boundary Integral Equation for Two-dimensional Elastostatics |
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| Wang Hongjun,Zhang Xiaosong. Closed-formed Expressions for Accurate Evaluation of Integrals Associated with Two-dimensional Boundary Integral Equation for Two-dimensional Elastostatics[J]. , 2006, 0(2): 47-50 |
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| Authors: | Wang Hongjun Zhang Xiaosong |
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| Affiliation: | Department of Engineering Mechanics, Shijiazhuang Railway Institute, Shijiazhuang 050043, China |
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| Abstract: | In this paper, linear discontinuous boundary element is employed to discretize boundary integral equation of two-dimensional elastostatics. The closed-formed expressions are derived for accurate evaluation of both singular and nonsingular integrals associ |
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| Keywords: | discontinuous boundary element accurate expressions nearly singular integrals collocation facto |
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