Abstract

In this paper, we introduce a new method to analyze the convergence of the standard finite element method for elliptic variational inequalities with noncoercive operators (VI). The method consists of combining the so-called Bensoussan-Lions algorithm with the characterization of the solution, in both the continuous and discrete contexts, as fixed point of contraction. Optimal error estimates are then derived, first between the continuous algorithm and its finite element counterpart, and then between the true solution and the approximate solution.

Keywords

Publication details

DOI
10.24200/squjs.vol22iss2pp114-119
Journal
Sultan Qaboos University Journal for Science, 22(2), 114
Publisher
Sultan Qaboos University
Open access
Gold open access
License
CC BY 4.0

Cite this article

APA 7

Boulbrachene, M. (2018). Finite Element Approximation of Variational Inequalities: An Algorithmic Approach. Sultan Qaboos University Journal for Science, 22(2), 114. https://doi.org/10.24200/squjs.vol22iss2pp114-119

MLA 9

Boulbrachene, Messaoud. "Finite Element Approximation of Variational Inequalities: An Algorithmic Approach." Sultan Qaboos University Journal for Science, vol. 22, no. 2, 2018, pp. 114. https://doi.org/10.24200/squjs.vol22iss2pp114-119.

Chicago (author–date)

Boulbrachene, Messaoud. 2018. "Finite Element Approximation of Variational Inequalities: An Algorithmic Approach." Sultan Qaboos University Journal for Science 22 (2): 114. https://doi.org/10.24200/squjs.vol22iss2pp114-119.

Harvard

Boulbrachene, M. (2018) 'Finite Element Approximation of Variational Inequalities: An Algorithmic Approach', Sultan Qaboos University Journal for Science, 22(2), pp. 114. doi:10.24200/squjs.vol22iss2pp114-119.

Vancouver

Boulbrachene M. Finite Element Approximation of Variational Inequalities: An Algorithmic Approach. Sultan Qaboos University Journal for Science. 2018;22(2):114. doi:10.24200/squjs.vol22iss2pp114-119

IEEE

M. Boulbrachene, "Finite Element Approximation of Variational Inequalities: An Algorithmic Approach," Sultan Qaboos University Journal for Science, vol. 22, no. 2, pp. 114, 2018, doi: 10.24200/squjs.vol22iss2pp114-119.