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�������պ����ѧѧ�� 2009, Vol. 35 Issue (10) :1268-1272    DOI:
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Integrated design of aerodynamic and stealthy performance for missiles with non-circular cross section
Chu Liang, Ma Dongli, Liu Zhongtie*
School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� According to the aerodynamic and stealthy performance requirements in non-circular cross section configuration design, and based on the concept of multi-objective optimization, the Pareto method and genetic algorithm were combined and tournament selective reproductive operator, Niche and Pareto filters technology were used to get the results with favorable distribution. Further more, response surface methodology was proposed to improve optimization efficiency.The aerodynamic performance of the missile was calculated by N-S equation numerical method, and radar cross section was calculated by physical optics and physical theory of diffraction. Compromise and optimization between these two objective functions, aerodynamic and stealthy performance of non-circular cross sections based on Pareto genetic algorithm, were realized, and the results are satisfactory.
Keywords�� missiles with non-circular cross section   integrated design of aerodynamic and stealthy performance   Pareto genetic algorithm   RSM (response surface methodology)     
Received 2008-12-08;
About author: �� ��(1980-),��,����������,��ʿ��,jjcl0623@126.com.
�� ��, ����, ������.��Բ���浯����������һ�廯��Ʒ���[J]  �������պ����ѧѧ��, 2009,V35(10): 1268-1272
Chu Liang, Ma Dongli, Liu Zhongtie.Integrated design of aerodynamic and stealthy performance for missiles with non-circular cross section[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(10): 1268-1272
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