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Modeling and simulation of concrete carbonation in 1-d using two-point flux approximation

Røe, Tineke
Master thesis
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URI
https://hdl.handle.net/1956/7689
Date
2013-11-21
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  • Department of Mathematics [637]
Abstract
In this master's thesis we will model concrete carbonation using mass conservation equations and Darcy's law. We then get a set of coupled partial differential equations. We also have a ordinary differential equation modeling porosity change. These equations are discretized using two-point flux approximation for 1-d in space, and Euler implicit in time. We have a nonlinear pressure equation which is linearized using Newton method. We run simulations, and the results are compared to a constructed analytical solution and to examples in the literature.
Publisher
The University of Bergen
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Copyright the author. All rights reserved

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