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20 April 2024
 
  » arxiv » 1704.1073

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Chemical reaction-diffusion networks; convergence of the method of lines
Fatma Mohamed ; Casian Pantea ; Adrian Tudorascu ;
Date 4 Apr 2017
AbstractWe show that solutions of the chemical reaction-diffusion system associated to $A+B ightleftharpoons C$ in one spatial dimension can be approximated in $L^2$ on any finite time interval by solutions of a space discretized ODE system which models the corresponding chemical reaction system replicated in the discretization subdomains where the concentrations are assumed spatially constant. Same-species reactions through the virtual boundaries of adjacent subdomains lead to diffusion in the vanishing limit. We show convergence of our numerical scheme by way of a consistency estimate, with features generalizable to reaction networks other than the one considered here, and to multiple space dimensions. In particular, the connection with the class of complex-balanced systems is briefly discussed here, and will be considered in future work.
Source arXiv, 1704.1073
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