Year: 2004
Journal of Computational Mathematics, Vol. 22 (2004), Iss. 2 : pp. 331–340
Abstract
Some properties of a newly developed polynomial preserving gradient recovery technique are discussed. Both practical and theoretical issues are addressed. Boundedness property is considered especially under anisotropic grids. For even-order finite element space, an ultra-convergence property is established under translation invariant meshes; for linear element, a superconvergence result is proven for unstructured grids generated by the Delaunay triangulation.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/2004-JCM-10332
Journal of Computational Mathematics, Vol. 22 (2004), Iss. 2 : pp. 331–340
Published online: 2004-01
AMS Subject Headings:
Copyright: COPYRIGHT: © Global Science Press
Pages: 10
Keywords: Finite element Superconvergence Gradient recovery A posteriori error estimate.