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Jung, Chang-Yeol
Analysis and computational methods Lab
Research Interests
  • Analysis, singular perturbations, uncertainty, numerical methods

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On the numerical approximations of stiff convection-diffusion equations in a circle

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Title
On the numerical approximations of stiff convection-diffusion equations in a circle
Author
Hong, YoungjoonJung, Chang-YeolTemam, Roger
Issue Date
2014-06
Publisher
SPRINGER
Citation
NUMERISCHE MATHEMATIK, v.127, no.2, pp.291 - 313
Abstract
Our aim in this article is to study the numerical solutions of singularly perturbed convection-diffusion problems in a circular domain and provide as well approximation schemes, error estimates and numerical simulations. To resolve the oscillations of classical numerical solutions due to the stiffness of our problem, we construct, via boundary layer analysis, the so-called boundary layer elements which absorb the boundary layer singularities. Using a P1 classical finite element space enriched with the boundary layer elements, we obtain an accurate numerical scheme in a quasi-uniform mesh.
URI
https://scholarworks.unist.ac.kr/handle/201301/3867
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84901193523
DOI
10.1007/s00211-013-0585-x
ISSN
0029-599X
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