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Title: Superconvergence of Piecewise Linear Semi-Discretizations for Parabolic Equations with Nonuniform Triangulations
Authors: Barbeiro, S. 
Ferreira, J. A. 
Brandts, J. 
Issue Date: 2005
Issue Date: 2005
Citation: Journal of Mathematical Fluid Mechanics. 7:0 (2005) S192-S214
Abstract: In this paper we study the convergence properties of semi-discrete approximations for parabolic problems defined on two dimensional polygonal domains. These approximations are constructed using a nonstandard piecewise linear finite element method based on nonuniform triangulations of the domain and considering a variational formulation with a sesquilinear form which can be no strongly coercive. In order to increase accuracy a post-process procedure is studied.
DOI: 10.1007/s00021-005-0153-y
Rights: openAccess
Appears in Collections:FCTUC Matemática - Artigos em Revistas Internacionais

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