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A finite element recovery approach to Green’s function approximations with applications to electrostatic potential computation

✍ Scribed by Ying Yang; Aihui Zhou

Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 665 KB
Volume: 225
Category: Article
ISSN: 0377-0427
DOI: 10.1016/j.cam.2008.07.024

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✦ Synopsis

In this paper, a finite element recovery approach is proposed to improve the accuracy of finite element approximations for Green's functions in three dimensions. This recovery approach is based on some simple postprocessing. It is proved by both theory and numerics that the recovery approach is very efficient. In particular, the approach is successfully applied to some electrostatic potential computations.

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