Incredible simulation software
This app wont appeal to the general app buyer except maybe as a way to create beautiful and colorful dynamic designs. But its much more than that. Its a wonderfully well done wind tunnel simulation tool that allows one to explore wing airfoil design, see what happens when angle of attack becomes too great (creates stall), learn how an airplanes wing flaps increase lift (and drag) at takeoff and landing, see how a spoiler on a race car creates downforce to keep it from lifting off the track, see how air brakes work on plane or car, learn why big rig trucks have those strange devices on top of the cab (to reduce drag), design a house and roof that might survive hurricane force winds, design a bicycle helmet that reduces drag, and MUCH more.
Ive played with this for hours (not as much as Angry Birds) and continue to be fascinated with it. The Wright brothers would have killed for this tool. A version of this app will be used in high schools and universities in the near future to teach fluid dynamics and aeronautical design.
The user interface is a bit basic but functional, and there should be better tools for creating new models. Some tools are not named well: Draw Wall is simply a freeform drawing brush. Help screens are marginally helpful. But these are minor complaints considering the overall functionality of this incredible app.
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Wind Tunnel -- for iPad