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Wind Tunnel Free

Downloads
Revenue

Description

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).

If you are interested in more options, check out Wind Tunnel, the paid version of this app, with many more features!
New in version 1.5.1:
- updated for iOS 9
New in version 1.5:
- improved retina graphics
- new simulation engine for dual-core devices
- iPhone 5 support
- other graphic improvements
New in version 1.3:
- Much more accurate fluid simulation engine.
- Visualization of velocity field, with this color scheme : black (fluid at rest), blue, red, yellow (highest speed).
- New preset models (try "swirl" !).
- Ability to change smoke color : in "interact" touch action and "smoke" mode, double tap on the smoke source, at the top of the screen
- Fixed bugs on boundary conditions.

New in version 1.2:
- Added support for older iphones and ipod touch (armv6)
- Minor bug fixes
- Added models of the "Lite" version

Fluid motion is computed by solving Navier-Stokes equations, at high definition ( 23000 grid cells on ipad ) thanks to a well-optimized code taking the most out of CPU performance.
Thank you all for your great comments.
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Screenshots

User Rating

4.7 out of 5

47 ratings in United States

5 star
39
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Ratings History

Wind Tunnel Free Installs

Last 30 days

Wind Tunnel Free Revenue

Last 30 days

Wind Tunnel Free Reviews

Great Little App To Show People Wind Around House

GerardRG on

United States

I love this app. it would be great to reward developer.

Updates

johnnympg on

United States

I like this a lot but it really needs some updates. Be nice to draw easier or import profiles.

Paid Version not Available?!?!?!

Shellhead101 on

United States

Would LOVE to get the paid version!!! Tons of useful features are missing otherwise.

Great but add the paid features

BernoulliBoi on

United States

I cannot purchase the paid version in the US because it says the app isn’t applicable in my region. A coworker was able to get it on their device years ago and it works flawlessly. Can either the paid version be opened up for the US based customers or can you put the paid content into this app as an in app purchase?

Wind Tunnel CFD unavailable in the USA

Not-a-happy-camper on

United States

How can the “Wind Tunnel CFD” version of this app be made available… in the US?

Excellent tool for CFI’s/student pilots

Nhowar on

United States

I just wish there was a way to change the angle of items drawn or angle on oncoming air. You just have to manually redraw the airfoil.

Do a few changes.

siddahnt on

United States

This is a cool app but unlike the paid version of wind tunnel, there is an option to change the angle of attack of the shape you draw like an airfoil but this free version doesn’t have that please add an option for changing the angle of the drawn shape

Sooooooo Cool

Marchawg on

United States

Great Game! And No Ads😎😎😎🌪🌪🌪🌊🌊🌊⛈⛈⛈🌋🌋🌋

Amazing app to show concepts in action.

moellj on

United States

Great app with great UI. Only thing... maybe add a high pressure/ low pressure key

Add a 3D option

56wrty329 on

United States

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App Info

Category
Education
Languages
English
Recent version
1.51 (8 years ago )
Released on
Jul 20, 2010 (14 years ago )
Last updated
11 months ago