A robust a posteriori estimator for the Residual-free Bubbles method applied to advection-diffusion problems (Articolo in rivista)

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  • A robust a posteriori estimator for the Residual-free Bubbles method applied to advection-diffusion problems (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Alternative label
  • Sangalli G.(1) (2001)
    A robust a posteriori estimator for the Residual-free Bubbles method applied to advection-diffusion problems
    in Numerische Mathematik
    (literal)
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  • Sangalli G.(1) (literal)
Pagina inizio
  • 379 (literal)
Pagina fine
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  • CIT articolo = 2 - Impact factor rivista: 1.145 (literal)
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  • 89 (literal)
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  • This work presents a-posteriori estimates of the RFB method, for the advection-diffusion problem. Particularly, we focus the attention on the robustness of the estimates, i.e., its independence on the coefficients of the operator, particularly on the (small) diffusion coefficient. We get results that have stimulated further works on the topic. (literal)
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  • (1) IMATI-CNR (literal)
Titolo
  • A robust a posteriori estimator for the Residual-free Bubbles method applied to advection-diffusion problems (literal)
Abstract
  • We develop the a posteriori error analysis for the RFB method, applied to the linear advection-diffusion problem: the numerical error, measured in suitable norms, is estimated in terms of the numerical residual. The robustness is investiged, in the sense that we prove uniform equivalence between a norm of the numerical residual and a particular norm of the error. (literal)
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