Error Estimates of Two Nonconforming Finite Elements for the Obstacle Problem

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Abstract

The linear nonconforming element and Wilson's element for the obstacle problem are considered. Optimal error bounds for both elements are obtained in the case of regular subdivisions of domain $\Omega$ in $R^2$.

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Error Estimates of Two Nonconforming Finite Elements for the Obstacle Problem. (1986). Journal of Computational Mathematics, 4(1), 11-20. https://www.global-sci.com/index.php/JCM/article/view/10821