文献详情
The Lightweight Design of Low RCS Pylon Based on Structural Bionics
文献类型期刊
作者Jiao, Hongjie[1];Zhang, Yidu[2];Chen, Wuyi[3]
机构
通讯作者Jiao, HJ (reprint author), Beihang Univ, Mech Engn Design Ctr, Beijing 100191, Peoples R China.
来源信息年:2010  卷:7  期:2  页码范围:182-190  
期刊信息JOURNAL OF BIONIC ENGINEERING影响因子和分区  ISSN:1672-6529
关键词lightweight design; specific structure efficiency; low RCS pylon; bionic structure
增刊正刊
摘要A concept of Specific Structure Efficiency (SSE) was proposed that can be used in the lightweight effect evaluation of structures. The main procedures of bionic structure design were introduced systematically. The parameter relationship between hollow stem of plant and the minimum weight was deduced in detail. In order to improve SSE of pylons, the structural characteristics of hollow stem were investigated and extracted. Bionic pylon was designed based on analogous biological structural characteristics. Using finite element method based simulation, the displacements and stresses in the bionic pylon were compared with those of the conventional pylon. Results show that the SSE of bionic pylon is improved obviously. Static, dynamic and electromagnetism tests were carried out on conventional and bionic pylons. The weight, stress, displacement and Radar Cross Section (RCS) of both pylons were measured. Experimental results illustrate that the SSE of bionic pylon is markedly improved that specific strength efficiency and specific stiffness efficiency of bionic pylon are increased by 52.9% and 43.6% respectively. The RCS of bionic pylon is reduced significantly.
收录情况SCIE(WOS:000279996600010)  EI(20102713063965)  CSCD  
所属部门机械工程及自动化学院
DOI10.1016/S1672-6529(09)60207-9
百度学术The Lightweight Design of Low RCS Pylon Based on Structural Bionics
语言外文
被引频次1313
人气指数46
浏览次数46
基金National Natural Science Foundation of China [50975012]
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