The challenge faced by vehicle manufacturers in each design stage is the urgent need for information about how to improve the design. Aerodynamic information can be costly and difficult to obtain, traditionally involving building a detailed model or prototype of the vehicle and testing it in a wind tunnel. Design iterations at this late stage of product development are time-consuming and costly because it is difficult to make large-scale changes to a model, or to change any surface features of a fully detailed prototype during a wind tunnel test. Prototype testing for aerodynamics is a major contributor to vehicle development costs and design cycle time.
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