B. Achchab ; A. Agouzal ; K. Bouihat - A posteriori error estimates for non conforming approximation of quasi Stokes problem

arima:1963 - Revue Africaine de Recherche en Informatique et Mathématiques Appliquées, August 7, 2013, Volume 16, 2012 - https://doi.org/10.46298/arima.1963
A posteriori error estimates for non conforming approximation of quasi Stokes problem

Authors: B. Achchab 1; A. Agouzal 2; K. Bouihat 3,1

We derive and analyze an a posteriori error estimator for nonconforming finite element approximation for the quasi-Stokes problem, which is based on the solution of local problem on stars with low cost computation, this indicator is equivalent to the energy error norm up to data oscillation, neither saturation assumption nor comparison with residual estimator are made.

https://doi.org/10.46298/arima.1963
Source: HAL:hal-01299520v1
Volume: Volume 16, 2012
Published on: August 7, 2013
Submitted on: February 1, 2013
Keywords: A posteriori error estimator, nonconforming finite elements method, quasi-Stokes problem.,[INFO] Computer Science [cs],[MATH] Mathematics [math]

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