Realistic computable error bounds for three dimensional finite element analyses in linear elasticity

Research output: Research - peer-reviewArticle

  • Mark Ainsworth
  • Richard Andrew Robert Rankin
We obtain a computable estimator for the energy norm of the error in piecewise affine and piecewise quadratic finite element approximations of linear elasticity in three dimensions. We show that the estimator provides guaranteed upper bounds on the energy norm of the error as well as (up to a constant and data oscillation terms) local lower bounds.

Original languageEnglish
Pages (from-to)1909-1926
Number of pages18
JournalComputer Methods in Applied Mechanics and Engineering
Issue number21-22
StatePublished - May 2011

    Research areas

  • finite element, elasticity, computable error bounds

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