SLFCFD stands for San Le's Free Computational Fluid Dynamics. It is a package of scientific software and graphical user interfaces for use in computational fluid dynamics. It is written in ANSI C by San Le and distributed under the terms of the GNU license.

Streaklines showing vortices for incompressible flow at 192 seconds 4800 steps. Go here to see video.

Temperature for compressible flow at 20.69562 seconds 2200 steps. Rendering turned on.

What SLFCFD includes

GUI and scientific code for 2-D and 3-D compressible flow and for 2-D incompressible flow.

A Graphical User Interface:

GUI for both types of flows

Go to download page .

Acknowledgments
I would like to thank

for allocating their resources to these pages. They have provided a fantastic service for Free Software and Open Source Developers, and I wish the company all the best.