FEM_TO_XML
Convert Mesh Data from FEM to DOLFIN XML Format

FEM_TO_XML is a Python script which reads the description of a mesh in FEM format, namely a file of node coordinates and a file of indices of nodes that form each element, and writes out a corresponding file in DOLFIN XML format.

Licensing:

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

Languages:

FEM_TO_XML is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.

Related Data and Programs:

DOLFIN, Python programs which are used with the DOLFIN library to set up and solve a wide variety of problems using the finite element method (FEM).

DOLFIN-CONVERT, a Python program which can convert a mesh file from Gmsh, MEDIT, METIS or SCOTCH format to an XML format suitable for use by DOLFIN or FENICS, by Anders Logg.

DOLFIN_XML, a data directory which contains examples of XML files that describe 3D finite element method (FEM) meshes as used by DOLFIN and FENICS.

FENICS, examples which illustrate the use of FENICS, a collection of free software with an extensive list of features for automated, efficient solution of partial differential equations (PDE's).

XML, a data directory which contains examples of XML files, a standard, general datafile format.

XML_TO_FEM, a Python script which reads a mesh description in DOLFIN XML format, and creates a corresponding pair of FEM files listing the node coordinates and the indices of nodes that form the elements.

Source Code:

• fem_to_xml.py, the script.

• cheby9.xml, a 1D XML mesh file.
• cheby9_elements.txt, the FEM element file.
• cheby9_nodes.txt, the FEM node file.
• rectangle.xml, a 2D XML mesh file.
• rectangle_elements.txt, the FEM element file.
• rectangle_nodes.txt, the FEM node file.
• tet_mesh.xml, a 3D XML mesh file.
• tet_mesh_elements.txt, the FEM element file.
• tet_mesh_nodes.txt, the FEM node file.

You can go up one level to the PYTHON source codes.