Free vibration analysis of dragonfly wings using finite element method

被引:36
|
作者
Darvizeh, M. [1 ]
Darvizeh, A. [1 ]
Rajabi, H. [1 ]
Rezaei, A. [1 ]
机构
[1] Guilan Univ, Dept Mech Engn, POB 3756, Rasht, Iran
关键词
Mechanical properties; SEM; dragonfly wing; FEM; natural frequencies; damping ratio;
D O I
10.1260/175095409787924454
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
In the present work, investigations on the microstructure and mechanical properties of the dragonfly wing are carried out and numerical modeling based on Finite Element Method (FEM) is developed to predict Flight characteristics of dragonfly wings. Vibrational behavior of wings type structures is immensely important in analysis, design and manufacturing of similar engineering structures. For this purpose natural frequencies and mode shapes are calculated. In addition, the kind of deformation in each mode shape evaluated and the ratio between numerical natural frequency and experimental natural frequency presented as damping ratio. The results obtain from present method are in good agreement with same experimental methods.
引用
收藏
页码:101 / 110
页数:10
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