navier_stokes_mesh3d_test

navier_stokes_mesh3d_test, an Octave code which calls navier_stokes_mesh3d(), which defines meshes for several 3D test problems involving the Navier Stokes equations for fluid flow, provided by Leo Rebholz.

Licensing:

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

Related Data and Programs:

navier_stokes_mesh3d, an Octave code which handles tetrahedral meshes for several 3D test problems involving the Navier Stokes equations (NSE) for fluid flow, provided by Leo Rebholz.

Source Code:

• navier_stokes_mesh3d_test.m, calls all the tests.
• navier_stokes_mesh3d_test.sh, runs all the tests.
• navier_stokes_mesh3d_test.txt, the output file.

• navier_stokes_mesh3d_test01.m reports the sizes of the three mesh components, and the range of the node coordinates; writes the information to node and element files for a tet mesh.

CYLINDER_3D is a tet mesh for 3D flow in a 0.41x2.5x0.41 channel, past a (square) cylinder, using 49,602 nodes and 9,792 elements, created from cylinder_3d.mat.

• cylinder_3d.mat 3D flow in a 0.41x2.5x0.41 channel, past a (square) cylinder, using 49,602 nodes, 9,792 elements, and 3,600 boundary nodes.
• cylinder_3d_nodes.txt, the node file;
• cylinder_3d_elements.txt, the tetra file;

STEP_3D is a tet mesh associated with 3D flow in a 10x50x10 channel, past a forward and backward step, using 38,992 nodes and 7,680 elements, created from step_3d.mat.

• step_3d.mat 3D flow in a 10x50x10 channel, past a forward and backward step, using 38,992 nodes, 7,680 elements, and 2,954 boundary nodes.
• step_3d_nodes.txt, the node file;
• step_3d_elements.txt, the tetra file;