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A quasi-optimal a priori error estimate for the two-dimensional Signorini problem approximated by linear finite elements
The aim of this Note is to present a quasi-optimal a priori error estimate for the linear finite element approximation of the so-called two-dimensional Signorini problem, i.e. the equilibrium of a plane linearly elastic body in contact with a rigid foundation. Previous works on that subject give eit...
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Published in | Comptes rendus. Mathématique Vol. 350; no. 5-6; pp. 325 - 328 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
Paris
Elsevier SAS
01.03.2012
Elsevier Académie des sciences (Paris) |
Subjects | |
Online Access | Get full text |
ISSN | 1631-073X 1778-3569 1778-3569 |
DOI | 10.1016/j.crma.2012.01.024 |
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Summary: | The aim of this Note is to present a quasi-optimal a priori error estimate for the linear finite element approximation of the so-called two-dimensional Signorini problem, i.e. the equilibrium of a plane linearly elastic body in contact with a rigid foundation. Previous works on that subject give either non-optimal estimates or with a more restrictive supplementary condition on the solution.
On présente dans cette Note une estimation optimale de lʼerreur dʼapproximation par éléments finis affines du problème de Signorini, cʼest à dire du problème de lʼéquilibre dʼun corps élastique en contact avec une fondation rigide. Les travaux précédents sur ce sujet donnent soit des résultats non optimaux, soit avec des conditions supplémentaires plus contraignantes sur la solution. |
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ISSN: | 1631-073X 1778-3569 1778-3569 |
DOI: | 10.1016/j.crma.2012.01.024 |