BOUNDARY_NODE_LIST
List nodes on the boundary

BOUNDARY_NODE_LIST, a FreeFem++ code which sets up a mesh, and then queries the mesh to produce a list of boundary elements (line segments) and the indices of the nodes that form them.

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:

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

• boundary_node_list_mesh.png, a PNG image of the mesh;