A singularly perturbed problem with two parameters in two dimensions on graded meshes

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Назив:	A singularly perturbed problem with two parameters in two dimensions on graded meshes
Аутори:	Brdar Mirjana Zarin Helena Teofanov Ljiljana
Датум издавања:	2016
Часопис:	Computers and Mathematics with Applications
Сажетак:	© 2016 Elsevier Ltd A numerical approximation of a convection–reaction–diffusion problem by standard bilinear finite elements is considered. Using Duran–Lombardi and Duran–Shishkin type meshes we prove first order error estimates in an energy norm. Numerical examples confirm our theoretical results and show smaller errors compared to the well-known Shishkin mesh.
URI:	https://open.uns.ac.rs/handle/123456789/17075
ISSN:	0898-1221
DOI:	10.1016/j.camwa.2016.09.021
Налази се у колекцијама:	PMF Publikacije/Publications TF Publikacije/Publications