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旋转蜂窝结构的面内变形性能研究

Research on In-Plane Deformation Performance of Rotating Honeycomb Structures.

作者信息

Zhang Yongzhong, Ma Yunhai, Guo Xue, Wang Qingyang

机构信息

School of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China.

Intelligent Electronic Manufacturing Research Center, Beijing City University, Beijing 101309, China.

出版信息

Materials (Basel). 2023 Aug 31;16(17):5993. doi: 10.3390/ma16175993.

DOI:10.3390/ma16175993
PMID:37687679
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10488828/
Abstract

Most natural materials have rotational and hierarchical properties, so they can show excellent mechanical properties such as shear resistance and impact resistance. In order to further improve the energy absorption characteristics of vibration absorbing structures, a new type of honeycomb structure with integral rotation and group rotation is designed and characterized. The effects of the geometrical parameters of rotation Angle on the impact deformation mode, stress response curve and energy absorption characteristics of the honeycomb structure are studied through numerical simulation and experimental design. The results show that the overall honeycomb performance of 15° is better than that of 0°, the specific energy absorption is the results show that the overall honeycomb performance of 15° is better than that of 0°, the specific energy absorption is increased by 6%, the bearing capacity is increased by 320 N, and the crushing force efficiency is increased by 2%. Compared with the whole cell and the group cell, the specific absorption energy increased by 35%, 73% and 71%. The results of this paper provide a new insight into the impact performance of monolithic and grouped rotating honeycomb structures, which is helpful for the results of this paper provide a new insight into the impact performance of monolithic and grouped rotating honeycomb structures, which is helpful for the optimization of crashworthiness structural design.

摘要

大多数天然材料具有旋转和分层特性,因此它们能展现出优异的力学性能,如抗剪切和抗冲击性能。为了进一步提高吸振结构的能量吸收特性,设计并表征了一种具有整体旋转和群组旋转的新型蜂窝结构。通过数值模拟和实验设计,研究了旋转角度几何参数对蜂窝结构冲击变形模式、应力响应曲线和能量吸收特性的影响。结果表明,15°时蜂窝的整体性能优于0°,比能量吸收增加了6%,承载能力增加了320 N,破碎力效率提高了2%。与整体单元和群组单元相比,比吸收能量分别增加了35%、73%和71%。本文的结果为整体式和组合式旋转蜂窝结构的冲击性能提供了新的见解,有助于耐撞性结构设计的优化。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/593f17408899/materials-16-05993-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/3cda6ee9f54d/materials-16-05993-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/193cbec36686/materials-16-05993-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/76e13a5dde7c/materials-16-05993-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/8f5129da7719/materials-16-05993-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/759155a8e0d3/materials-16-05993-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/ce979e33ac67/materials-16-05993-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/db25dab31d1d/materials-16-05993-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/06d7876de0ed/materials-16-05993-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/4f293c1e609f/materials-16-05993-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/247278252485/materials-16-05993-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/593f17408899/materials-16-05993-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/3cda6ee9f54d/materials-16-05993-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/193cbec36686/materials-16-05993-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/76e13a5dde7c/materials-16-05993-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/8f5129da7719/materials-16-05993-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/759155a8e0d3/materials-16-05993-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/ce979e33ac67/materials-16-05993-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/db25dab31d1d/materials-16-05993-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/06d7876de0ed/materials-16-05993-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/4f293c1e609f/materials-16-05993-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/247278252485/materials-16-05993-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dfb/10488828/593f17408899/materials-16-05993-g011.jpg

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本文引用的文献

1
Experimental and Numerical Investigation of a Lattice Structure for Energy Absorption: Application to the Design of an Automotive Crash Absorber.用于能量吸收的晶格结构的实验与数值研究:在汽车碰撞吸收器设计中的应用
Polymers (Basel). 2022 Mar 10;14(6):1116. doi: 10.3390/polym14061116.
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J Mech Behav Biomed Mater. 2019 Feb;90:451-459. doi: 10.1016/j.jmbbm.2018.10.037. Epub 2018 Nov 2.
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Biomechanics: deadly strike mechanism of a mantis shrimp.
生物力学:螳螂虾的致命攻击机制。
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