基于XFlow的仿蝴蝶气动特性  

Aerodynamic Characteristics of Simulated Butterfly Based on XFlow

作　　者：饶小龙 来永斌[1] 王龙[1] RAO Xiao-long;LAI Yong-bin;WANG Long(School of Mechanical and Electrical Engineering,Anhui University of Science and Technology,Huainan 232001,China)

机构地区：[1]安徽理工大学机电工程学院,淮南232001

出　　处：《科学技术与工程》2025年第9期3680-3686,共7页Science Technology and Engineering

基　　金：国家自然科学基金(51705002,11902002)。

摘　　要：为了研究非定常飞行参数对仿蝴蝶气动特性的影响问题,以黑框蓝闪蝶作为研究对象,通过建立飞行动力学模型;依据飞行原理建立蝴蝶飞行时翅膀、躯干、地面的相对坐标,构建飞行过程中蝴蝶翅膀和躯干的运动学方程。结合蝴蝶飞行原理验证仿蝴蝶气动特性,并在自然环境流场条件下研究仿蝴蝶扑动角和俯仰角改变对升力和阻力的影响,分析其飞行流场。结果表明:翻转角与升力之间存在正相关,与阻力无关;扑动角小于120°时与升力呈正相关,大于120°与升力呈负相关,扑动角与阻力呈负相关;下扑时翅膀前缘开始产生高压区,上扑时翅膀边缘开始产生高压区。研究结果为仿蝴蝶扑翼飞行器设计提供了控制参数和翅膀设计参考,为进一步优化仿生扑翼飞行提供科学依据。In order to study the effect of unsteady flight parameters on the aerodynamic characteristics of simulated butterflies,a flight dynamics model was established with the black-framed blue Morpho butterfly as the research object.Based on the flight principle,the relative coordinates of butterfly wings,body and ground during flight were established,and the kinematic equations of butterfly wings and body during flight were constructed.The aerodynamic characteristics of the simulated butterfly were verified based on the flight principle of the butterfly,and the effects of the change of flutter angle and pitch angle on the lift and drag of the simulated butterfly were studied under the natural environment flow field.The results show that there is a positive correlation between turning angle and lift force,but no correlation with drag.When the flutter angle is less than 120°,the lift is positively correlated,when the flutter angle is greater than 120°,the lift is negatively correlated,and the flutter angle is negatively correlated with the drag.A high pressure area begins to occur at the leading edge of the wings when the downward flapping occurs,and at the edge of the wings when the upward flapping occurs.The research results provide a reference for the control parameters and wing design of flapping wing aircraft,and provide a scientific basis for further optimization of bionic flapping wing flight.

关 键 词：仿生扑翼 飞行参数 XFlow 流场模拟 气动力分析 

分 类 号：TH123[机械工程—机械设计及理论]