Abstract
We introduce a degenerate nonlinear parabolic system that describes the chemical aggression of calcium carbonate stones under the attack of sulphur dioxide. For this system, we present some finite element and finite difference schemes to approximate its solutions. Numerical stability is given under suitable CFL conditions. Finally, by means of a formal scaling, the qualitative behavior of the solutions for large times is investigated, and a numerical verification of this asymptotics is given. Our results are in qualitative agreement with the experimental behavior observed in the chemical literature.
Anno
2004
Autori IAC
Tipo pubblicazione
Altri Autori
Aregba Driollet D.; Diele F.; Natalini R.
Editore
Society for Industrial and Applied Mathematics,
Rivista
SIAM journal on applied mathematics (Print)