Numerical simulation of a two-dimensional flapping wing in advanced mode

• Published in: Journal of hydrodynamics. Series B Vol. 29; no. 6; pp. 1076 - 1080
• Main Author: 梁志勇;魏亮;卢锦煜;覃小红
• Format: Journal Article
• Language: English
• Published: Singapore Elsevier Ltd 01.12.2017; Springer Singapore; College of Science, Donghua University, Shanghai 201620, China%Key Laboratory of Textile Science and Technology, Ministry Education, College of Textiles, Donghua University, Shanghai 201620, China
• Subjects: advanced mode; dynamic mesh; Engineering; Engineering Fluid Dynamics; Hydrology/Water Resources; micro flapping wing; Numerical and Computational Physics; Numerical simulation; Simulation; unsteady aerodynamics; 数字模拟;二维;翅膀;液体动力学;用户定义;drag;速度向量;运动; Numerical simulation; micro flapping wing; dynamic mesh; advanced mode; unsteady aerodynamics
• ISSN: 1001-6058; 1878-0342
• DOI: 10.1016/S1001-6058(16)60801-6

A two-dimensional model is built to describe the translation and the rotation of the hovering flapping movement. The equations of motion are derived for insect＇s flapping movement, and the model is implemented by the computational fluid dynamics（CFD） software FLUENT and it？s user defined function（UDF）. It is shown that the lift coefficient changes slowly in the intermediate stage, there are two areas in which the lift coefficient changes dramatically, and the drag coefficient behaves quite differently when flapping up and down. The vortex distribution, the pressure distribution, and the velocity vector distribution in the advanced mode at different times follow quite various rules.