Reactive n-species Cahn–Hilliard system: A thermodynamically-consistent model for reversible chemical reactions
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Clavijo, S. and Sarmiento, A. and Espath, L. and Dalcin, L. and Cortes, A. and Calo, V. 2019. Reactive n-species Cahn–Hilliard system: A thermodynamically-consistent model for reversible chemical reactions. Journal of Computational and Applied Mathematics. 350: pp. 143-154.
Journal of Computational and Applied Mathematics
School of Earth and Planetary Sciences (EPS)
© 2018 Elsevier B.V. We introduce a multicomponent Cahn–Hilliard system with multiple reversible chemical reactions. We derive the conservation laws of the multicomponent system within the thermodynamical constraints. Furthermore, we consider multiple chemical reactions based on the mass action law. This coupling reproduces phase separation under spinodal decomposition as a chemical reaction between the species takes place. Finally, we perform a numerical simulation to show the robustness of the model as well as the resulting patterns.
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