Mixed and Stabilized Finite Element Methods for the Obstacle Problem

Research output: Contribution to journalArticleScientificpeer-review


Research units

  • University of Lisbon


We discretize the Lagrange multiplier formulation of the obstacle problem by mixed and stabilized finite element methods. A priori and a posteriori error estimates are derived and numerically verified.


Original languageEnglish
Pages (from-to)2718-2744
JournalSIAM Journal on Numerical Analysis
Issue number6
Publication statusPublished - 2017
MoE publication typeA1 Journal article-refereed

    Research areas

  • obstacle problem, mixed finite elements, stabilized finite elements

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