This project contains simple examples of geometric multigrid (GMG) solver and/or preconditioner application for the advection -- diffusion equations in 2D domain. 

AdvectionDiffusion_FD_Dirichlet - contains implementation of the finite difference method in [0;1] \times [0;1] domain.
AdvectionDiffusion_Fourier_Periodic - contains implementation of the pseudo spectral method in periodic [0;2\pi] \times [0;2\pi] domain.

Figures are supplied for author's paper.
It is available under GPLv2 licence. 


Matlab example programs for geometric multigrid 
preconditioning  for advection diffusion equations.
Copyright (C) 2018-2019 Evstigneev Nikolay Mikhaylovitch

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
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