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| 1 | 仿蜻蜓扑翼飞行器翅翼结构力学特性研究进展显示文摘总结了近年来蜻蜓翅翼和仿蜻蜓扑翼飞行器翅翼力学特性的研究进展,就蜻蜓翅翼形态结构与材料属性、翅翼结构力学特性、翅翼结构气动特性等方面进行了概述。根据近年发展现状,提出了关于该领域未来重点研究方向:翅翼形态结构方面,用更先进的观察仪器探究翅翼的细节特征;翅翼强度计算时,采用不同的材料属性以满足当前仿生翅翼材料的多样性;且在数值模拟计算中,计算模型需要趋于翅翼真实情况;并模拟出此前因受计算量限制而无法在计算模型中体现的翅翼细节;翅翼褶皱对翅翼结构力学特征的影响研究较少,相关领域亟待完善;此外本研究领域整体实验验证发展与数值计算相比还有一定差距,实验验证有待补足。 | 蒋照华 汪超 谢鹏 袁杰 周超英 | 2018 | 机械科学与技术2018，37，6： | 2 |
| 2 | 竹象虫后翅结构力学和空气动力学特性显示文摘为研究长足大象甲后翅结构特性和飞行过程的空气动力学特性,建立长足大象甲后翅翅脉特征曲线的数学模型,利用有限元软件对其进行均匀载荷、垂直载荷和扭转载荷3种不同载荷下的静态分析和模态分析。基于嵌套网格法在Fluent软件中模拟后翅上下扑动,分析不同扑动幅值、扭转角度和扑动频率下的后翅升力系数和阻力系数变化规律。结果表明:长足大象甲后翅翅脉分布具有良好的结构刚度和承载能力,在受到不同载荷时,位移和应力的变化较小,结构稳定性较强,并且后翅振动频率为90.312 Hz,与同类昆虫相比,更符合微型扑翼飞行翼研发要求。此外,模拟试验表明长足大象甲后翅可以通过改变扑动幅值、扭转角度和扑动频率来提高升力和推力以实现特技飞行。 | 许顺 王鹏宇 崔舒然 陈晓明 王骏冲 付辰琦 | 2022 | 航空动力学报2022，37，9： | 0 |
| 3 | Nanoindentation Mechanical Properties and Structural Biomimetic Models of Three Species of Insects Wings显示文摘Mimicking insect flights were used to design and develop new engineering materials. Although extensive research was done to study various aspects of flying insects. Because the detailed mechanics and underlying principles involved in insect flights remain largely unknown. A systematic study was carried on insect flights by using a combination of several advanced techniques to develop new models for the simulation and analysis of the wing membrane and veins of three types of insect wings, namely dragonfly(Pantala flavescens Fabricius), honeybee(Apis cerana cerana Fabricius) and fly(Sarcophaga carnaria Linnaeus). In order to gain insights into the flight mechanics of insects, reverse engineering methods were used to establish three-dimensional geometrical models of the membranous wings, so we can make a comparative analysis. Then nano-mechanical test of the three insect wing membranes was performed to provide experimental parameter values for mechanical models in terms of nano-hardness and elastic modulus. Finally, a computational model was established by using the finite element analysis(ANSYS) to analyze 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 thin solid films and 2D advanced engineering composite materials. | 佟金 CHANG Zhiyong YANG Xiao ZHANG Jin LIU Xianping CHETWYND Derek G CHEN Donghui 孙霁宇 | 2015 | Journal of Wuhan University of Technology(Materials Science)2015，30，4： | 0 |
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