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Bionic Design Method of a Non-Uniform Lattice Structure for a Landing Footpad

  • Haoyu Deng
  • , Junpeng Zhao*
  • , Chunjie Wang
  • *Corresponding author for this work
  • Beihang University

Research output: Contribution to journalArticlepeer-review

Abstract

Due to its excellent performance and high design freedom, the lattice structure has shown excellent capabilities and considerable potential in aerospace and other fields. Inspired by the bamboo structure, a lattice cell configuration namely BCC4IZ is designed and a lattice alternative layout is obtained. Then, a design and modeling method for non-uniform lattice structures is proposed. Four designs of the landing footpad with different kinds of lattice cells are developed. A series of dynamic explicit finite element simulations were conducted to evaluate and compare the energy absorption and capacity of resisting impact deformation performance of different designs. The results show that the combination of the bionic design and the lattice structure can effectively improve the performance of the lattice-filled footpad. This study proves the feasibility and potential of application for bionic design in lattice structure.

Original languageEnglish
Article number220
JournalAerospace
Volume9
Issue number4
DOIs
StatePublished - Apr 2022

Keywords

  • bionic design
  • energy absorption
  • impact deformation
  • landing footpad
  • lattice structure

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