... design studio that provides a stereoscopic display of design ideas. Designers look at three full-scale vehicles at the same time and can easily modify the selection of vehicles, colors and backgrounds. Math tools are moving well beyond the physical design of the vehicle. Engineers now use these same methods to measure the functional performance of a vehicle as well, reducing the need for physical testing.Vehicles have been tested for structural durability, even before math tools. Before math tools, the only way to do this was to build a car and drive it on the road. Test tracks were built, along with numerous prototype vehicles. "In fact, new vehicle programs could require 10-50 prototypes. Much of that testing has been replaced by carefully controlled lab testing, which runs 24 hours a day, 7 days a week" (A Rare Insight 3 ). After they build a body they have to ...

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