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In this paper, we investigate the coupling between operator splitting techniques and a time parallelization scheme, the parareal algorithm, as a numerical strategy for the simulation of reaction-diffusion equations modelling multi-scale reaction waves. This type of problems induces peculiar difficulties and potentially large stiffness which stem from the broad spectrum of temporal scales in the nonlinear chemical source term as well as from the presence of large spatial gradients in the reactive...
In this paper, we
investigate the coupling between operator splitting techniques and a time
parallelization scheme, the parareal algorithm,
as a numerical
strategy for the simulation of reaction-diffusion equations modelling multi-scale reaction waves.
This type of problems induces peculiar difficulties and potentially large stiffness which stem from the broad spectrum
of temporal scales in the nonlinear chemical source term as well as from the presence of large spatial gradients in
the reactive...
We consider iterative schemes applied to systems of linear ordinary differential equations and investigate their convergence in terms of magnitudes of the coefficients given in the systems. We address the question of whether the reordering of equations in a given system improves the convergence of an iterative scheme.
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