Nano-mechanical properties and structural of a 3D-printed biodegradable biomimetic micro air vehicle wing

International Technical Postgraduate Conference

Salami, E.^1 ; Montazer, E.^1 ; Ward, T.A.^2 ; Ganesan, P.B.^1

Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur

50603, Malaysia^1

School of Engineering and Physical Science, Heriot-Watt University, Putrajaya, Malaysia^2

关键词: Biomimetic design;    Comparative analysis;    Concentrated force;    Experimental parameters;    Flight mechanics;    Geometrical models;    Mechanical model;    Nanomechanical property;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/210/1/012073/pdf
DOI  :  10.1088/1757-899X/210/1/012073

来源: IOP

【 摘 要 】

The biomimetic micro air vehicles (BMAV) are unmanned, micro-scaled aircraft that are bio-inspired from flying organisms to achieve the lift and thrust by flapping their wings. The main objectives of this study are to design a BMAV wing (inspired from the dragonfly) and analyse its nano-mechanical properties. In order to gain insights into the flight mechanics of dragonfly, reverse engineering methods were used to establish three-dimensional geometrical models of the dragonfly wings, so we can make a comparative analysis. Then mechanical test of the real dragonfly wings was performed to provide experimental parameter values for mechanical models in terms of nano-hardness and elastic modulus. The mechanical properties of wings were measured by nanoindentre. Finally, a simplified model was designed and the dragonfly-like wing frame structure was bio-mimicked and fabricated using a 3D printer. Then mechanical test of the BMAV wings was performed to analyse and compare the wings under a variety of simplified load regimes that are concentrated force, uniform line-load and a torque. This work opened up the possibility towards developing an engineering basis for the biomimetic design of BMAV wings.