convection

convection, a FreeFem++ code which simulates the convection of a substance carried by a known velocity field through a winding closed channel.

Licensing:

The information on this web page is 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:

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

• convection_mesh.png, a PNG image of the mesh;
• convection_velocity.png, a PNG image of the velocity field;
• mass_histogram.png, a histogram of the (decreasing) total mass of the substance over time;
• q_time=300.png, spatial concentraion at T=300;
• q_time=600.png, spatial concentraion at T=600;
• q_time=900.png, spatial concentraion at T=900;