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 journalArticle

13 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

Fingerprint

vibration meters
leading edges
veins
wings
stiffness
Stiffness
Lasers
evaluation
Low density polyethylenes
Polyethylene
Hydrocarbons
Water content
lasers
Natural frequencies
Materials properties
Polymers
Elastic moduli
lateral oscillation
moisture content
resonant frequencies

Keywords

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

ASJC Scopus subject areas

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

Cite this

Stiffness evaluation of the leading edge of the dragonfly wing via laser vibrometer. / Chen, Y. H.; Skote, M.; Zhao, Y.; Huang, W. M.

In: Materials Letters, Vol. 97, 2013, p. 166-168.

Research output: Contribution to journalArticle

Chen, Y. H. ; Skote, M. ; Zhao, Y. ; Huang, W. M. / Stiffness evaluation of the leading edge of the dragonfly wing via laser vibrometer. In: Materials Letters. 2013 ; Vol. 97. pp. 166-168.
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