@Article{JCM-14-175, author = {Q. Lin and J. H. Pan}, title = {High Accuracy for Mixes Finite Element Methods in Raviart-Thomas Element}, journal = {Journal of Computational Mathematics}, year = {1996}, volume = {14}, number = {2}, pages = {175--182}, abstract = {

This paper deals with Raviart-Thomas element ($Q_{2,1}\times Q_{1,2}-Q_1$ element). Apart from its global superconvergence property of fourth order, we prove that a postprocessed extrapolation can globally increased the accuracy by fifth order.

}, issn = {1991-7139}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/jcm/9228.html} }