Soft Maximum - best free downloads
ViziFlow

ViziFlow

A program to allow the very fast modeling of fluid flow, and the visualization of the streamlines and pressure distribution. Rectangular and circular sections can be entered as well as aerofoils. Example files are included, and many editing tools are provided. A flowrate and pressure gauge is also available. A website gives a message board to exchange views.

ViziFlow Download
Freeware

Tags: fluid, flow, streamlines, visualizing fluid flow, measurement, pressure, aerofoil, aerodynamics, fluid flow, modeling