In this paper the quality of the error estimator based on the Polynomial Preserving Recovery (PPR) is investigated using the computer-based approach proposed by Babiiska et al. A comparison is made between the error estimator based on the PPR and the one based on the Superconvergence Patch Recovery (SPR). It was found that the PPR is at least as good as the SPR.
Number in Series
Applied Mathematics | Mathematics
Zhang, Zhimin and Naga, Ahmed, "Validation of the A Posteriori Error Estimator Based on Polynomial Preserving Recovery for Linear Elements" (2003). Mathematics Research Reports. 11.