Energy Absorption Performance of Bionic Multi-Cell Tubes Inspired by Shrimp Chela

Rui Liang, Xiang Liu, Lirong Mo, Huanchao Huang, Christophe Bastien

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This research introduced the design, analysis and optimization of bionic shrimp chela multi-cell tubes (BSCMTs) in bending by embedding an arthropod's microstructure inside a thin-walled square structure. A three-point impact bending finite element model was, in the first instance, correlated to physical tests and then modified to assess the energy absorption performance of bionic multi-cell tubes considering initial peak force, specific energy absorption and mean crushing force. Following a complex proportional assessment (COPRAS) approach and optimization phases, results demonstrated that the BSCMT with a W-shape section had the best energy absorption characteristics and should be considered in the future as a possible contender for vehicle B-pillar structures that are subjected to bending and require excellent energy absorption properties to protect the occupants in high-speed impact collisions.
Original languageEnglish
Pages (from-to)754-762
Number of pages9
JournalComposite Structures
Issue number5
Early online date10 Aug 2023
Publication statusPublished - Oct 2023


  • Energy absorption
  • Bionic
  • Microstructure
  • Shrimp chela
  • Multi-cell tube


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