Analysis on the method of fundamental solutions for biharmonic equations

Fangfang Dou, Zi-Cai Li, C.S. Chen and Zhaolu Tian

Applied Mathematics and Computation, 2018, vol. 339, issue C, 346-366

Abstract: 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 solutions r2ln r in 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 using r2ln r for biharmonic equations.

Keywords: Error analysis; Stability analysis; Biharmonic equations; Method of fundamental solutions; Trefftz methods (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:339:y:2018:i:c:p:346-366

DOI: 10.1016/j.amc.2018.07.016

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