Generalized Extrapolation for Computation of Hypersingular Integrals in Boundary Element Methods
Generalized Extrapolation for Computation of Hypersingular Integrals in Boundary Element Methods
复制标题
边界元方法中超奇异积分计算的广义外推
DOI:
10.3970/cmes.2009.042.151
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发表时间:
2009-03
影响因子:
2.4
通讯作者:
Li, Jin
中科院分区:
文献类型:
--
作者:
Yu, De-hao;Wu, Ji-ming;Li, Jin
The trapezoidal rule for the computation of Hadamard finite-part integrals in boundary element methods is discussed, and the asymptotic expansion of error function is obtained. A series to approach the singular point is constructed and the convergence rate is proved. Based on the asymptotic expansion of the error functional, algorithm with theoretical analysis of the generalized extrapolation are given. Some examples show that the numerical results coincide with the theoretic analysis very well.
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影响因子:
2.4
作者:
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通讯作者:
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影响因子:
2.4
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