Method
Wing-shape optimization is by nature an iterative process. First, a baseline wing design is chosen to begin the process with; this is usually the wing created by aerospace engineers. This wing is assumed to be reasonably close to a best-fit design from the engineers. The next step is to model the wing shape and structure. Once those are mapped out, the software flies the model in a simulated air tunnel using well-developed computational fluid dynamics (CFD) equations. The results of the test give the various performance characteristics of that design. Once that completes, the software makes incremental changes to the structure and shape details, recreates the model, and flies the new model through a wind tunnel. If the changes result in a better performing wing, then the software commits the changes. If not, the changes are thrown out and different changes are made. The changes are then saved as the new working model and the cycle will loop. This entire process is run until the changes observed appear to converge on a design – such as when the changes are under 1 mm.
Unfortunately, the resulting wing design can only be as good as the computational model.
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