http://www.autodesk.com/products/autodesk-simulation-family/features/flow-design/all/gallery-view Autodesk Flow Design (formerly Project Falcon) simulates air flow around vehicles, buildings, outdoor equipment, consumer products, or other objects of your choosing in a virtual wind tunnel. Flow Design technology is extremely geometry tolerant and easy to use, enabling you to begin seeing and understanding air flow behavior within seconds of starting the application.