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Volume 39 Issue 12
Dec.  2013
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Journal of Beijing University of Aeronautics and Astronautics  > 2013  >  39(12): 1596-1600.
Liu Liangbao, Chen Wuyi. Structural bionic design for aircraft cover plate based on leaf vein branched structure[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(12): 1596-1600. (in Chinese)
Citation: Liu Liangbao, Chen Wuyi. Structural bionic design for aircraft cover plate based on leaf vein branched structure[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(12): 1596-1600. (in Chinese)
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Structural bionic design for aircraft cover plate based on leaf vein branched structure

  • School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 22 Jan 2013
  • Publish Date: 30 Dec 2013
    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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