• WindTunnel Free 1
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WindTunnel Free

Turn your device into a wind tunnel simulator ! 

Draw obstacles and watch the fluid flow around. Experiment with different sizes, shapes, aerodynamic profiles and see what happens !
Visualize airflow with smoke, particles, or observe pressure field, velocity. The simulation engine also computes an approximation of lift and drag.
The Wind Tunnel free app lets you play with the fluid and understand physics effects. 
Fluid motion is computed by solving Navier-Stokes equations, at high definition and in real-time thanks to optimized code taking the most out of CPU and GPU performance. Observe the mechanism of lift/drag over an airfoil, and how it stalls when the angle of attack increases (use two-finger rotate gesture to rotate the scene).

This demo version includes 3 pre-defined scenes: airfoil, rocks or torus. Choose between different visualization modes : Smoke, pressure or speed, and adjust input speed/ fluid viscosity.In the "torus" mode you can draw/erase your own obstacles, the fluid wraps around the screen.

Use the android "back" or "menu" buttons to show/hide the interface.

Contact us at [email protected]

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Many thanks to the beta-test team: Sylvain, Nicolas, Anaïs, Olivier, Valentin, François.

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Category : Education

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Reviews (27)

Wil. K. Jan 8, 2020     

Pretty useless as a standalone app, but I guess the point is to act as a demo for the full version. Only has three visualisation modes and you can not draw your own shapes, rather it simply comes with an airfoil/wing shape and some blobs, but it does enough to prove the basics of the platform and to give an idea as to whether you would like the full version.

Pai. V. Apr 18, 2021     

Pretty straightforward. I'd like the option to show forces and their direction when my own objects are drawn (I know it would require more computing power) One more thing for the developers - add a simple wind tunnel option where the particles can only circulate through top-bottom "portal" not all top-bottom-right-left 😉 Other than that, great app.

Kel. C. Apr 11, 2019     

amazing! this would be incredible on PC with GPUs, and 3d. incredibly fast on note 8. I love the real time interaction. I would like to see some more 3d features, like isospheres.

Yvo. V. May 18, 2020     

Junk, absolute junk. It comes with about three present shapes, doesn't let you make your own shapes. Feels like using mspaint.

Lau. D. Jul 26, 2019     

I love this app. it lets you draw on the particle screen. i write an affirmation and then think about it.

Hun. H. Dec 10, 2021     

A hardest thing I did not like an IU cannot get it off and was so stupid you can knock it off I read this game so not really good because it has this little thing aren't you cannot re race.

Roy. Oct 12, 2021     

Personally the iOS version is a lot better you can draw and there are more choices to choose

Ram. G. Oct 9, 2021     

Very nice app. Will help to understand basic aerodynamics and flow structure

A. G. u. Mar 20, 2019     

My computer science teacher told us that this app is exactly what it looks like on apple and that's a lie terrible the features ain't no we're near the same

Eva. R. Jul 1, 2021     

Why can't you change the shape? Why can't you do more modes like on iPhone? So many questions...

Sea. O. Apr 1, 2020     

Doesn't worked on Android 9, somehow made me phone restart three times

Ant. K. May 1, 2020     

Can't use drawn shapes in the actual wind tunnel mode.

A. g. u. Sep 28, 2019     

real-good and fascinating but needs an exit-button

ulu. e. Apr 7, 2020     

Enough to find out simple turbulence flow beyond wing shape

aun. j. Apr 8, 2020     

It's not that good needs to have your phones files not good dont install

Hel. J. Mar 24, 2022     

Would be awesome as an interactive live wallpaper

San. S. Sep 25, 2019     

options are very limited, no actual simulations can be done

vib. B. Jul 25, 2021     

I would be very surprised if you had a tornado option

Tim. A. Mar 9, 2021     

Awesome for a CFI to use when instructing!

mor. t. Aug 3, 2020     

In the android version you can't draw your own aerofoil

Nan. k. .. P. Jan 10, 2021     

Most amazing wind tunnel.

Lea. H. Mar 24, 2019     

I hate haw they draw for u and it messes everything up

Vor. Oct 18, 2018     

This is so boring now... Old version was much better

A. G. u. Nov 10, 2018     

I tried it and it was soooo boring!

N. A. Mar 6, 2019     

at least let me try out drawing with an actual current

Ben. M. Sep 25, 2021     

Not worth the price and it's free...

Dea. T. Oct 8, 2021     

Can anyone tell me how to work this in Mobile