• A recovery-explicit error estimator in energy norm for linear elasticity 

    Nadal, E.; Díez, Pedro; Ródenas García, Juan José; Tur, M; Fuenmayor, F. J. (2015-04-15)
    Article
    Accés restringit per política de l'editorial
    Significant research effort has been devoted to produce one-sided error estimates for Finite Element Analyses, in particular to provide upper bounds of the actual error. Typically, this has been achieved using residual-type ...
  • 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
    Accés obert
    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 ...
  • Control of the finite element discretization error during the convergence of structural shape optimization algorithms 

    Bugeda Castelltort, Gabriel; Ródenas García, Juan José; Albelda, José; Oñate Ibáñez de Navarra, Eugenio (2009-07-01)
    Article
    Accés obert
    This work analyzes the influence of the discretization error contained in the Finite Element (FE) analyses of each design configuration proposed by structural shape optimization algorithms over the behaviour of the algorithm. ...
  • Equilibrated patch recovery error estimates: simple and accurate upper bounds of the error 

    Díez, Pedro; Ródenas García, Juan José; Zienkiewicz, Olgierd Cecil (Wiley and Sons, 2007-03)
    Article
    Accés obert
    This paper introduces a new recovery-type error estimator ensuring local equilibrium and yielding a guaranteed upper bound of the error. The upper bound property requires the recovered solution to be both statically ...