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Multipoint Inverse Design Method for Transonic Wings

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Authors
Kim, Hyoung-Jin; Kim, Chongam; Rho, Oh-Hyun
Issue Date
1999
Publisher
American Institute of Aeronautics and Astronautics
Citation
Journal of Aircraft, vol. 36, no. 6, 1999, pp. 941-947
Abstract
A new multipoint inverse design method to improve aerodynamic performance of transonic transport wings at off-design conditions is demonstrated. We minimized weighted averages of the residuals that are differences between computed and target pressures at two design points. Target pressure distributions are optimized using a genetic algorithm. It was found that characteristics of single-point design wings were transferred to dual-point design wings proportionallyto weighting factors. Through the dual-point design procedure, off-design performance of a single-point design wing is improved while preserving good performance at the primary design point. The present dual-pointdesign procedure requires about 12 times the computationalcost of a ow solver and is, therefore, very ef cient for the multipoint design of transonic wings.
ISSN
0021-8669
Language
English
URI
http://hdl.handle.net/10371/6935
DOI
https://doi.org/10.2514/2.2555
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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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