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Inverse Design of Transonic Wings Using Wing Planform and Target Pressure Optimization

Cited 4 time in Web of Science Cited 6 time in Scopus
Authors
Ahn, Taisul; Kim, Hyoung-Jin; Kim, Chongam; Rho, Oh-Hyun
Issue Date
2001
Publisher
American Institute of Aeronautics and Astronautics
Citation
Journal of Aircraft, vol. 38, no. 4, 2001, pp. 644-652
Abstract
A new method is presented for an ef cient inverse design of transonic wings with minimum drag and weight. To this end, the target pressure optimizationmethod is extended for a simultaneous design of wing planform and target pressures so that an inverse design can be conducted with the optimized planform and section target pressures. During the optimization procedure, the maximum thickness of wing sections and spanwise lift distribution should be predicted without any ow analysis, and response surfaces are, therefore, constructed for this purpose. Sample data points for the response surfaces are selected from the D-optimality and calculated by a thin-layer Navier–Stokes code. For the optimization problem, a genetic algorithm is adopted. Design examples show that the present design method gives successful results with the computational cost reduced by one order of magnitude compared to a direct response surface construction for lift and drag coef cients.
ISSN
0021-8669
Language
English
URI
http://hdl.handle.net/10371/6889
DOI
https://doi.org/10.2514/2.2841
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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