Analysis on the method of fundamental solutions for biharmonic equations

Analysis on the method of fundamental solutions for biharmonic equations
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双调和方程基本解法分析

DOI:
10.1016/j.amc.2018.07.016
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发表时间:
2018-12
期刊:
Applied Mathematics and Computation Volume 339, 15 December 2018, Pages 346-366
影响因子:
--
通讯作者:
Zhaolu Tian
Zhaolu Tian
中科院分区:
其他
文献类型:
--
作者:
Fangfang Dou;Zi-Cai Li;C.S. Chen;Zhaolu Tian

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In this paper, the error and stability analysis of the method of fundamental solution (MFS) is explored for biharmonic equations. The bounds of errors are derived for the fundamental solutionsr2lnrin bounded simply-connected domains, and the polynomial convergence rates are obtained for certain smooth solutions. The bounds of condition number are also derived to show the exponential growth rates for disk domains. Numerical experiments are carried out to support the above analysis, which is the first time to provide the rigorous analysis of the MFS usingr2lnrfor biharmonic equations.
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