channel_navier_stokes
FreeFem++ Applied to the Navier Stokes Equation in 2D

channel_navier_stokes, a FreeFem++ code which sets up the time dependent Navier Stokes equations for flow in a channel with a circular obstruction.

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:

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

• channel_navier_stokes_mesh.png, a PNG image of the mesh;
• channel_navier_stokes_velocity_0.png, a PNG image of the velocity at step 0;
• channel_navier_stokes_vorticity_0.png, a PNG image of the vorticity at step 0;
• channel_navier_stokes_velocity_5.png, a PNG image of the velocity at step 5;
• channel_navier_stokes_vorticity_5.png, a PNG image of the vorticity at step 5;
• channel_navier_stokes_velocity_10.png, a PNG image of the velocity at step 10;
• channel_navier_stokes_vorticity_10.png, a PNG image of the vorticity at step 10;
• channel_navier_stokes_velocity_15.png, a PNG image of the velocity at step 15;
• channel_navier_stokes_vorticity_15.png, a PNG image of the vorticity at step 15;
• channel_navier_stokes_velocity_20.png, a PNG image of the velocity at step 20;
• channel_navier_stokes_vorticity_20.png, a PNG image of the vorticity at step 20;