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https://open.uns.ac.rs/handle/123456789/19570
Title: | SDFEM for an elliptic singularly perturbed problem with two parameters | Authors: | Teofanov Ljiljana Brdar Mirjana Franz S. Zarin Helena |
Issue Date: | 2018 | Journal: | Calcolo | Abstract: | © 2018, Istituto di Informatica e Telematica del Consiglio Nazionale delle Ricerche. A singularly perturbed problem with two small parameters in two dimensions is investigated. Using its discretization by a streamline-diffusion finite element method with piecewise bilinear elements on a Shishkin mesh, we analyze the superconvergence property of the method and suggest the choice of stabilization parameters to attain optimal error estimate in the corresponding streamline-diffusion norm. Numerical tests confirm our theoretical results. | URI: | https://open.uns.ac.rs/handle/123456789/19570 | ISSN: | 0008-0624 | DOI: | 10.1007/s10092-018-0293-0 |
Appears in Collections: | PMF Publikacije/Publications TF Publikacije/Publications |
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