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Robust residual a posteriori error estimators for the Reissner–Mindlin eigenvalues system

  • E. Creusé EMAIL logo , S. Nicaise EMAIL logo and Emmanuel Verhille EMAIL logo
Published/Copyright: June 1, 2013

Abstract

We consider a conforming finite element approximation of the Reissner- Mindlin eigenvalue system, for which a robust a posteriori error estimator for the eigenvector and the eigenvalue errors is proposed. For that purpose, we first perform a robust a priori error analysis without strong regularity assumption. Upper and lower bounds are then obtained up to higher order terms that are superconvergent, provided that the eigenvalue is simple. The convergence rate of the proposed estimator is confirmed by a numerical test.

Published Online: 2013-06-01
Published in Print: 2013-06

© 2013 by Walter de Gruyter GmbH & Co.

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