重新进入的混合蜂巢结构的机械特性,用于变形翅膀
Yan Wang1, Yingjie Guo1, Hui Yang1
1Parallel Robot and Mechatronic System Laboratory of Hebei Province, Yanshan University, Qinhuangdao 066004, China.
Biomimetics (Basel, Switzerland)
|September 27, 2024
概括
这项研究介绍了一种新的回入混合蜂巢结构 (REHH),具有出色的能量吸收和变形能力. REHH结构显示了增强的负波桑波桑结构.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 生物模拟学是一种生物模拟学.
背景情况:
- 负波桑比率 (NPR) 蜂结构提供独特的能量吸收和可变形性.
- 这些特性对航空航天,医疗和声学隐形应用有价值.
研究的目的:
- 提出和分析一种新的重新进入的混合蜂巢结构 (REHH).
- 研究REHH结构的内平面弹性行为和NPR性能.
主要方法:
- 理论建模平面内弹性模量和Poisson比率使用束理论.
- 通过有限元 (FE) 模拟进行验证.
- 对REHH样品进行试验性拉伸试验.
主要成果:
- 建立了REHH弹性性质的理论模型.
- 使用FE模拟和实验验证实模型.
- 研究了细胞几何学对弹性行为的影响.
- 与FSHH结构相比,REHH的表现出更高的变形能力.
- 在实验REHH样本中观察到显著的拉力位移.
结论:
- REHH结构表现出有希望的负波桑比率属性.
- 开发的模型准确地预测了REHH结构的弹性行为.
- REHH结构为高级应用提供了增强的变形能力.
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