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http://dx.doi.org/10.5139/JKSAS.2012.40.11.963

Design Optimization of a Wing Structure under Multi Load Spectra using PSO algorithm  

Park, Kook Jin (서울대학교 기계항공공학부 대학원)
Park, Yong Jin (서울대학교 기계항공공학부 대학원)
Cho, Jin Yeon (인하대학교 항공우주공학과)
Park, Chan Yik (국방과학연구소)
Kim, Seung Jo (한국항공우주연구원)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.40, no.11, 2012 , pp. 963-971 More about this Journal
Abstract
In this paper, development of optimal design tools for wing structure is described including multi load spectra condition and fatigue analysis. Two dimensional CFD result are used for calculating aerodynamic force. Design variables are composed of a number of rib and spar, positions, and thickness of each structural member. The mission profile for fatigue analysis is composed based upon the results of CFD analysis, the flight-by-flight spectra method, the excessive curves for gust loads. Minor's rule was used to deal with multi-load condition. Stress analysis and fatigue analysis are performed to calculate objective functions. Particle Swarm Optimization(PSO) algorithm was used to apply to problems which have dozens of design variables.
Keywords
Structural Optimization; Particle Swarm Optimization (PSO); Stress Analysis; Diamond; IPSAP;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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