北京航空航天大学学报 ›› 2013, Vol. 39 ›› Issue (12): 1596-1600.

• 论文 • 上一篇    下一篇

基于叶脉分枝结构的飞机盖板结构仿生设计

刘良宝, 陈五一   

  1. 北京航空航天大学 机械工程及自动化学院, 北京 100191
  • 收稿日期:2013-01-22 出版日期:2013-12-30 发布日期:2013-12-27
  • 基金资助:
    国家自然科学基金资助项目(50975012)

Structural bionic design for aircraft cover plate based on leaf vein branched structure

Liu Liangbao, Chen Wuyi   

  1. School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
  • Received:2013-01-22 Online:2013-12-30 Published:2013-12-27

摘要: 针对薄壁件的轻量化设计要求,在对王莲叶脉分枝结构形态和构型规律分析基础上,以飞机盖板原型为对象,应用结构仿生设计方法,对盖板内部的筋板分布形式进行结构仿生设计,利用ANSYS APDL参数化设计语言建立仿生型结构的参数化模型并进行筋板结构参数优化.有限元分析结果表明,相对于原型盖板,结构参数优化后的仿生型盖板质量减小,比强度结构效能有较大提高,静力学性能明显改善.

Abstract: Light-weight is a crucial requirement for structural design of thin walled parts. In the case of original aircraft cover plate, the leaf vein distribution principle of a giant waterlily was analyzed and applied to structural bionic design for original structure. Using ANSYS APDL as a finite element analysis tool, the parametric model of bionic structure was obtained and the best structural parameter of ribs in the bionic structure was presented through optimization. The finite element analysis (FEA) results indicate that, compared with original structure, the optimized bionic structure has less weight, higher efficiency of specific strength, better static mechanical performances.

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