POISSON_ADAPTIVE
Adaptive meshing for the Poisson equation in the L-shaped region

poisson_adaptive, a FreeFem_++ code which repeatedly solves the Poisson equation in the L-shaped region, adaptively refining the mesh based on an error estimator;

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Reference:

• Frederic Hecht,
  New development in FreeFem++,
  Journal of Numerical Mathematics,
  Volume 20, Number 3-4, 2012, pages 251-265.

Source Code:

• poisson_adaptive.edp, the FreeFem++ script;
• poisson_adaptive.sh, a BASH script to run the example;
• poisson_adaptive.txt, the output file;

• poisson_adaptive_mesh_0.png;
• poisson_adaptive_mesh_1.png;
• poisson_adaptive_mesh_2.png;
• poisson_adaptive_mesh_3.png;
• poisson_adaptive_mesh_4.png;
• poisson_adaptive_mesh_5.png;
• poisson_adaptive_mesh_6.png;
• poisson_adaptive_mesh_7.png;
• poisson_adaptive_mesh_8.png;
• poisson_adaptive_mesh_9.png;
• poisson_adaptive_mesh_10.png;
• poisson_adaptive_uh_0.png;
• poisson_adaptive_uh_1.png;
• poisson_adaptive_uh_2.png;
• poisson_adaptive_uh_3.png;
• poisson_adaptive_uh_4.png;
• poisson_adaptive_uh_5.png;
• poisson_adaptive_uh_6.png;
• poisson_adaptive_uh_7.png;
• poisson_adaptive_uh_8.png;
• poisson_adaptive_uh_9.png;