Computational Survey on A Posteriori Error Estimators for the Crouzeix-Raviart Nonconforming Finite Element Method for the Stokes Problem

Abstract

This survey compares different strategies for guaranteed error control for the lowest-order nonconforming Crouzeix-Raviart finite element method for the Stokes equations. The upper error bound involves the minimal distance of the computed piecewise gradient DNC uCR to the gradients of Sobolev functions with exact boundary conditions. Several improved… (More)
DOI: 10.1515/cmam-2013-0021

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