An integration scheme for reaction-diffusion models

Details An integration scheme for reaction-diffusion models An integration scheme for reaction-diffusion models

1999-05-13

arxiv.org/abs/cond-mat/9905184v1

Int. J. Mod. Phys. C 10 (1999) 1039

Physics

Condensed Matter

Statistical Mechanics

14 page, Latex - 4 EPS Figs - Submitted to Int. J. Mod. Phys. C

Scientific paper

A detailed description and validation of a recently developed integration scheme is here reported for one- and two-dimensional reaction-diffusion models. As paradigmatic examples of this class of partial differential equations the complex Ginzburg-Landau and the Fitzhugh-Nagumo equations have been analyzed. The novel algorithm has precision and stability comparable to those of pseudo-spectral codes, but it is more convenient to employ for systems with quite large linear extention $L$. As for finite-difference methods, the implementation of the present scheme requires only information about the local enviroment and this allows to treat also system with very complicated boundary conditions.

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