fem_to_xml_test

fem_to_xml_test, a C++ code which calls fem_to_xml(), which reads FEM files of node coordinates and element connectivity, which define a mesh of a 1D, 2D, or 3D region and creates a corresponding DOLFIN XML file.

Licensing:

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

Related Data and Programs:

fem_to_xml, a C++ code which reads FEM files defining a 1D, 2D or 3D mesh, namely a file of node coordinates and a file of elements defined by node indices, and creates a corresponding XML file for input to DOLFIN or FENICS.

Source Code:

• fem_to_xml_test.sh, runs all the tests.
• input.txt, input normally given interactively.
• fem_to_xml_test.txt, the output file.

BATTERY is a rectangular region which was subdivided into 7 faces which were meshed together by MESHFACES.

• battery_nodes.txt, the node coordinates.
• battery_elements.txt, the elements.
• battery.png, a PNG image of the triangulation.
• battery.xml, the corresponding DOLFIN XML mesh file.

CHANNEL is a 3D region, [0,3]x[0,1]x[0,1] [-1,+1], containing 63 nodes and 144 elements.

• channel_nodes.txt, the node coordinates.
• channel_elements.txt, the elements.
• channel.xml, the corresponding DOLFIN XML mesh file.

CHEBY9 is a 1D interval, [-1,+1], containing 9 nodes and 8 elements.

• cheby9_nodes.txt, the node coordinates.
• cheby9_elements.txt, the elements.
• cheby9.xml, the corresponding DOLFIN XML mesh file.

CIRCLE is a 2D circular region which was meshed by MESH2D.

• circle_nodes.txt, the node coordinates.
• circle_elements.txt, the elements.
• circle.png, a PNG image of the triangulation.
• circle.xml, the corresponding DOLFIN XML mesh file.

RECTANGLE is a rectangular region which has been divided into 3 rows and 4 columns of squares, each then split into two 3-node triangles.

• rectangle_nodes.txt, the node coordinates.
• rectangle_elements.txt, the elements.
• rectangle.png, a PNG image of the triangulation, created by TRIANGULATION_PLOT.
• rectangle.xml, the corresponding DOLFIN XML mesh file.