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Erschienen in: BIT Numerical Mathematics 1/2018

08.05.2017

Pointwise estimates of SDFEM on Shishkin triangular meshes for problems with exponential layers

verfasst von: Jin Zhang, Xiaowei Liu

Erschienen in: BIT Numerical Mathematics | Ausgabe 1/2018

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Abstract

In this paper, we present a pointwise convergence analysis for a streamline diffusion finite element method (SDFEM) on a Shishkin triangular mesh. We prove that the method is uniformly convergent with a pointwise accuracy of order almost 7/4 (up to a logarithmic factor) away from the subdomain where the layers intersect. Finally, numerical experiments support our theoretical results.

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Metadaten
Titel
Pointwise estimates of SDFEM on Shishkin triangular meshes for problems with exponential layers
verfasst von
Jin Zhang
Xiaowei Liu
Publikationsdatum
08.05.2017
Verlag
Springer Netherlands
Erschienen in
BIT Numerical Mathematics / Ausgabe 1/2018
Print ISSN: 0006-3835
Elektronische ISSN: 1572-9125
DOI
https://doi.org/10.1007/s10543-017-0661-1

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