@Article{JCM-21-733, author = {Wang , Lie-Heng}, title = {The Dual Mixed Method for an Unilateral Problem}, journal = {Journal of Computational Mathematics}, year = {2003}, volume = {21}, number = {6}, pages = {733--746}, abstract = {

In this paper, the dual mixed method for an unilateral problem, which is the simplified modelling of scalar function for the friction-free contact problem, is considered. The dual mixed problem is introduced, the existence and uniqueness of the solution of the problem are presented, and error bounds $O(h^{\frac{3}{4}})$ and $O(h^{\frac{3}{2}})$ are obtained for the dual mixed finite element approximations of Raviart-Thomas elements for $k=0$ and $k=1$ respectively.

}, issn = {1991-7139}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/jcm/10231.html} }