Wind Tunnel App for iOS
'Turn your iPad/iPhone into a wind tunnel simulator !
Draw obstacles and watch the fluid flow around. Experiment with different sizes, shapes, aerodynamic profiles and see what happens !
Tap the blue button to bring application controls. Three segmented controls let you choose between :
• 4 touch actions : interact with the fluid, draw walls, insert smoke probe, use eraser tool.
• 4 visualization modes : particles, smoke, pressure field, velocity field.
• 2 simulation modes : wind tunnel (with adjustable wind speed), free mode (with no constrained wind).'
This app costs $1.99