Error Bounds on Semi-Discrete Finite Element Approximation of a Moving-Boundary System Arising in Concrete Corrosion

Error Bounds on Semi-Discrete Finite Element Approximation of a Moving-Boundary System Arising in Concrete Corrosion

Year:    2008

Author:    Adrian Muntean

International Journal of Numerical Analysis and Modeling, Vol. 5 (2008), Iss. 3 : pp. 353–372

Abstract

Finite element approximations of positive weak solutions to a one-phase unidimensional moving-boundary system with kinetic condition describing the penetration of a sharp-reaction interface in concrete are considered. A priori and a posteriori error estimates for the semi-discrete fields of active concentrations and for the position of the moving interface are obtained. The important feature of the system of partial differential equations is that the nonlinear coupling occurs due to the presence of both the moving boundary and the non-linearities of localized sinks and sources by reaction.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/2008-IJNAM-816

International Journal of Numerical Analysis and Modeling, Vol. 5 (2008), Iss. 3 : pp. 353–372

Published online:    2008-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    20

Keywords:    reaction-diffusion system moving-boundary problem spatial semi-discretization finite elements a priori estimates a posteriori estimates concrete corrosion.

Author Details

Adrian Muntean