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An anisotropic recovery-based a posteriori error estimator

  • S. Micheletti
  • S. Perotto
Conference paper

Summary

In this work we attempt to merge the advantages of an anisotropic mesh with an a posteriori error indicator, which is reasonably accurate and computationally simple, and is based on the Zienkiewicz-Zhu gradient recovery. This gives rise to an anisotropic version of the estimator. In particular, we show how it is possible to use it as part of an iterative algorithm for predicting the optimal mesh and we study its efficiency on the Poisson problem numerically.

Keywords

Error Estimator Posteriori Error Energy Norm Effectivity Index Discretization Error 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Italia 2003

Authors and Affiliations

  • S. Micheletti
    • 1
  • S. Perotto
    • 1
  1. 1.MOX, Dipartimento di Matematica “F. Brioschi”Politecnico di MilanoMilanoItaly

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