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    • Accurate recovery-based upper error bounds for the extended finite element framework 

      Ródenas García, Juan José; González Estrada, O. A.; Díez, Pedro; Fuenmayor, F. J. (2010-08-01)
      Article
      Open Access
      This paper introduces a recovery-type error estimator yielding upper bounds of the error in energy norm for linear elastic fracture mechanics problems solved using the extended finite element method (XFEM). The paper can ...