Title: Aerodynamic Optimization of Airplane Wings using Analogy Methods
Abstract: Wing design based upon inverse methods has become the standard procedure in the past. However, the design is limited to one single design point and the quality of the result depends upon the experience of the designer. Direct optimization allows to avoid these disadvantages. Because of the long calculation times of three-dimensional flow solvers it was only applied to airfoil design in the past. To achieve a benefit for the complete wing, hybrid methods, where three-dimensional effects are considered by geometrical distortion, are used today. Although this method was successfully applied to some cases, it often fails in the range of high Mach numbers due to the nonlinear nature of this flow. Another approach introducing the differences between three- and two-dimensional results as boundary conditions into a two-dimensional calculation may yield an improvement.
Publication Year: 1999
Publication Date: 1999-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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