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A discrete de Rham complex with enhanced smoothness

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A discrete de Rham complex with enhanced smoothness

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Title: A discrete de Rham complex with enhanced smoothness
Author: Tai, Xue Cheng; Winther, Ragnar
Copyright year: 2006
Abstract: Discrete de Rham complexes are fundamental tools in the construction of stable elements for some finite element methods. The purpose of this paper is to discuss a new discrete de Rham complex in three space dimensions, where the finite element spaces have extra smoothness compared to the standard requirements. The motivation for this construction is to produce discretizations which have uniform stability properties for certain families of singular perturbation problem. In particular, we show how the spaces constructed here lead to discretizations of Stokes type systems which have uniform convergence properties as the Stokes flow approaches a Darcy flow.
Subject: DRNTU::Science::Mathematics::Applied mathematics::Numerical analysis.
Type: Journal Article
Series/ Journal Title: CALCOLO
School: School of Physical and Mathematical Sciences
Rights: CALCOLO @ copyright 2006 Springer-Verlag. The journal's website is located at http://www.springerlink.com/content/681qx8106u058868/?p=e3a7de29960748b8a4b305c5df68d30f&pi=1
Version: Published version

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