Stiffness evaluation of the leading edge of the dragonfly wing via laser vibrometer

Y. H. Chen, M. Skote, Y. Zhao, W. M. Huang

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The material property of the leading edge vein (LEV) of the dragonfly wing is investigated. A new vibration method is developed using a laser vibrometer and mini-shaker. The natural frequency of a cantilevered LEV is determined via lateral oscillation. As a result, the elastic modulus of a LEV sample from a dragonfly wing is found to be in the range of the elastic hydrocarbon polymer, while a dead dragonfly is similar to low density polyethylene. The loss of water contents in the veins increases the stiffness of the LEV by approximately 20 times.

Original languageEnglish
Pages (from-to)166-168
Number of pages3
JournalMaterials Letters
Volume97
DOIs
Publication statusPublished - 2013
Externally publishedYes

Keywords

  • Dragonfly
  • Elastic modulus
  • The leading edge vein
  • Vibrometer

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

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