Summary.
We derive a posteriori error estimators for convection-diffusion equations with dominant convection. The estimators yield global upper and local lower bounds on the error measured in the energy norm such that the ratio of the upper and lower bounds only depends on the local mesh-Peclet number. The estimators are either based on the evaluation of local residuals or on the solution of discrete local Dirichlet or Neumann problems.
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Received February 10, 1997 / Revised version received November 4, 1997
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Verfürth, R. A posteriori error estimators for convection-diffusion equations. Numer. Math. 80, 641–663 (1998). https://doi.org/10.1007/s002110050381
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DOI: https://doi.org/10.1007/s002110050381