poisson_2d
poisson_2d,
a FreeFem++ code which
solves the steady Poisson equation in a square.
The exact solution is known, so we can compare the FEM result with it.
Licensing:
The information on this web page is distributed under the MIT license.
Languages:
poisson_2d is available in
a C version and
a FENICS version and
a FreeFem version and
a MATLAB version and
an Octave version and
a Python version.
Reference:
-
John Chrispell, Jason Howell,
Finite Element Approximation of Partial Differential Equations
Using FreeFem++, or, How I Learned to Stop Worrying and Love
Numerical Analysis.
-
Frederic Hecht,
New development in FreeFem++,
Journal of Numerical Mathematics,
Volume 20, Number 3-4, 2012, pages 251-265.
Source Code:
Last revised on 12 February 2021.