Analysis of an upwind-mixed hybrid finite element method for transport problems

Brunner F, Radu AF, Knabner P (2014)


Publication Status: Published

Publication Type: Journal article, Original article

Publication year: 2014

Journal

Publisher: Society for Industrial and Applied Mathematics

Book Volume: 52

Pages Range: 83-102

Journal Issue: 1

URI: https://www1.am.uni-erlangen.de/research/publications/Jahr_2014/2014_BrunnerRaduKn_AnalysisOfAnUpwindMixedHyTransProblems

DOI: 10.1137/130908191

Abstract

We prove optimal order convergence of an upwind-mixed hybrid finite element scheme for linear parabolic advection-diffusion-reaction problems. It was introduced in [Radu et al., Adv. Water Resources, 34(2011), pp. 47-61] and is based on an Euler-implicit mixed hybrid finite element discretization of the problem in fully mass conservative form using the Raviart-Thomas mixed finite element of lowest order on triangular meshes. Optimal order convergence in time and space is obtained for the fully discrete formulation. The scheme provides the same order of convergence as the standard upwind-mixed method, while it is more efficient since a local elimination of variables is possible with our choice of the upwind weights. The theoretical findings are sustained by a numerical experiment. © 2014 Society for Industrial and Applied Mathematics.

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APA:

Brunner, F., Radu, A.F., & Knabner, P. (2014). Analysis of an upwind-mixed hybrid finite element method for transport problems. SIAM Journal on Numerical Analysis, 52(1), 83-102. https://dx.doi.org/10.1137/130908191

MLA:

Brunner, Fabian, Adrian Florin Radu, and Peter Knabner. "Analysis of an upwind-mixed hybrid finite element method for transport problems." SIAM Journal on Numerical Analysis 52.1 (2014): 83-102.

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