Basis for the Quadratic Nonconforming Triangular Element of Fortin and Soulie

Basis for the Quadratic Nonconforming Triangular Element of Fortin and Soulie

Year:    2005

International Journal of Numerical Analysis and Modeling, Vol. 2 (2005), Iss. 4 : pp. 409–421

Abstract

A basis for the quadratic ($P_2$) nonconforming element of Fortin and Soulie on triangles is introduced. The local and global interpolation operators are defined. Error estimates of optimal order are derived in both broken energy and $L^2(\Omega)$-norms for second-order elliptic problems. Brief numerical results are also shown.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/2005-IJNAM-938

International Journal of Numerical Analysis and Modeling, Vol. 2 (2005), Iss. 4 : pp. 409–421

Published online:    2005-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    13

Keywords:    quadratic nonconforming element finite element method error analysis.