Abstract

A new recovery method of edge elements for Maxwell’s equations is proposed to reduce the recovery problem into one dimensional settings by using the local symmetry projection. The recovered method is applied to both Nédélec interpolation and edge finite element approximation. Superconvergence results are established for both the postprocessed Nédélec interpolation and the recovered edge finite element approximation in a discrete norm. Numerical examples are presented to illustrate our theoretical analysis.

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