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http://dx.doi.org/10.12985/ksaa.2013.21.2.007

Discrete Optimal Design of Composite Rotor Blade Cross-Section  

Won, You-Jin (한국항공우주연구원 한국형발사체개발사업단, 한국항공대학교 대학원)
Lee, Soo-Yong (한국항공대학교 항공우주 및 기계공학부)
Publication Information
Journal of the Korean Society for Aviation and Aeronautics / v.21, no.2, 2013 , pp. 7-14 More about this Journal
Abstract
In this paper, the optimal design of composite rotor blade cross-section is performed using a genetic algorithm. Skin thickness, torsion box thickness and skin lay-up angle are adopted as discrete design variables. The position and width of a torsion box are considered as continuous variables. An object function of optimal design is to minimize the mass of a rotor blade, and constraints are failure index, center mass, natural frequency and blade minimum mass per unit length. Finally, design variables such as the thickness and lay-up angles of a skin, and the thickness, position and width of a torsion box are determined by using an in-house program developed for the optimal design of rotor blade cross-section.
Keywords
Rotor Blade; VABS(Variational Asymptotic Beam Sectional Analysis; Optimum Design; Genetic Algorithm; Auto-mesh Generation;
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Times Cited By KSCI : 1  (Citation Analysis)
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