Year: 2012
Journal of Computational Mathematics, Vol. 30 (2012), Iss. 4 : pp. 337–353
Abstract
The elementary analysis of this paper presents explicit expressions of the constants in the a priori error estimates for the lowest-order Courant, Crouzeix-Raviart nonconforming and Raviart-Thomas mixed finite element methods in the Poisson model problem. The three constants and their dependences on some maximal angle in the triangulation are indeed all comparable and allow accurate a priori error control.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/jcm.1108-m3677
Journal of Computational Mathematics, Vol. 30 (2012), Iss. 4 : pp. 337–353
Published online: 2012-01
AMS Subject Headings:
Copyright: COPYRIGHT: © Global Science Press
Pages: 17
Keywords: Error estimates Conforming Nonconforming Mixed Finite element method.