扑翼飞行器柔性多体动力学仿真

IF 1.5 4区工程技术 Q2 ENGINEERING, AEROSPACE International Journal of Micro Air Vehicles Pub Date : 2021-10-20 DOI:10.1177/17568293211043305

JaeWon Choi, DuHyun Gong, Junhee Lee, Chongam Kim, SangJoon Shin

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引用次数: 0

摘要

昆虫型扑翼微型飞行器具有很高的气动效率和在密闭空间内的机动性。扑翼微型飞行器复杂的气动结构特性给其动力学控制和参数化设计带来了困难。本文建立了一个考虑主翼被动运动的中等精度的数值框架。将基于有限元的多体动力学和二维非定常空气动力学相结合，对扑翼微型飞行器的悬停进行了仿真。此外，通过数值模拟对考虑柔性的柔性翼和刚性翼进行了比较。在平均推力方面，流固耦合的数值模拟结果与实验结果吻合较好，误差在5%以内。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Simulation of the flapping wing aerial vehicle using flexible multibody dynamics

An insect-type flapping wing micro aerial vehicle offers high aerodynamic efficiency and maneuverability in confined spaces. The complicated aerodynamic/structural behavior of flapping wing micro aerial vehicle, however, causes difficulties regarding the dynamic control and parametric design. This paper develops a moderately accurate numerical framework taking into account the passive motion of the main wings. Finite-element-based multibody dynamics and two-dimensional unsteady aerodynamics are combined to simulate the hover of a flapping wing micro aerial vehicle. In addition, flexible and rigid wings are compared through numerical simulation considering the flexibility. In terms of the average thrust, numerical simulation by fluid–structure interaction shows good agreements against the experimental results within 5% discrepancy.

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来源期刊

International Journal of Micro Air Vehicles ENGINEERING, AEROSPACE-

CiteScore

3.00

自引率

7.10%

发文量

审稿时长

>12 weeks

期刊介绍： The role of the International Journal of Micro Air Vehicles is to provide the scientific and engineering community with a peer-reviewed open access journal dedicated to publishing high-quality technical articles summarizing both fundamental and applied research in the area of micro air vehicles.