Abstract
In generally, it is known that structures of living things are optimized. The wings of a dragonfly are very thin and light. Although it is having the structure of bearing the load produced in the case of an advanced flight such as “Flapping flight”, “Glide”, and “Hovering”. The wings of a dragonfly are made by veins and membranes. In addition, the wings of a dragonfly have some characteristic structures, such as “Nodus”. Thus, the wings of a dragonfly have many complicated structures. The costal vein configuration of the wings of a dragonfly is different from them of other insects. So, we paid attention to the costal vein configuration of the wings of a dragonfly. Therefore, in this study, we researched about the effect of the costal vein. As a result, it was showed that the configuration of costal vein made the deformation of bending and torsion small. In addition, it was showed that the configuration of costal vein closely related to nodus. In this study, several 3-D models of the dragonfly's wing were created and analyzed by the 3-D finite element method (FEM).
