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Volume 14
Issue 23
10.3390/app142311258
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Article

An Innovative Adaptive-Dimension Accordion Honeycomb for Circumferential Deformation

by
Hairui Zhang
1,
Xianhang Li
1,
Jiayuan Yang
1,* and
Jingsong Yang
2
1
China Academy of Launch Vehicle Technology, Beijing 100076, China
2
School of Traffic & Transportation Engineering, Central South University, Changsha 410075, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2024, 14(23), 11258; https://doi.org/10.3390/app142311258
Submission received: 15 October 2024 / Revised: 24 November 2024 / Accepted: 27 November 2024 / Published: 3 December 2024
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Abstract

This work presents a novel variable-dimension accordion honeycomb structure capable of achieving circumferential deformation, characterized by its uneven structural stiffness properties. Unlike current accordion honeycombs, our design employs a variable-dimension honeycomb configuration defined in the polar coordinate system, using independent shape and size parameters. We derive the circumferential stiffness of both the unit cell and the honeycomb through analytical and theoretical approaches based on the series–parallel mechanism (SPM), validated using finite element modeling (FEM). We evaluate the influence of unit cell angles and the number of units along orthogonal directions on circumferential stiffness, finding excellent agreement between theoretical and numerical models. Additionally, the results demonstrate that the novel honeycomb maintains a zero Poisson ratio during circumferential deformation, with the SPM remaining unaffected by geometric nonlinearity.
Keywords: honeycomb; variable dimension; circumferential deformation; stiffness; SPM honeycomb; variable dimension; circumferential deformation; stiffness; SPM

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MDPI and ACS Style

Zhang, H.; Li, X.; Yang, J.; Yang, J. An Innovative Adaptive-Dimension Accordion Honeycomb for Circumferential Deformation. Appl. Sci. 2024, 14, 11258. https://doi.org/10.3390/app142311258

AMA Style

Zhang H, Li X, Yang J, Yang J. An Innovative Adaptive-Dimension Accordion Honeycomb for Circumferential Deformation. Applied Sciences. 2024; 14(23):11258. https://doi.org/10.3390/app142311258

Chicago/Turabian Style

Zhang, Hairui, Xianhang Li, Jiayuan Yang, and Jingsong Yang. 2024. "An Innovative Adaptive-Dimension Accordion Honeycomb for Circumferential Deformation" Applied Sciences 14, no. 23: 11258. https://doi.org/10.3390/app142311258

APA Style

Zhang, H., Li, X., Yang, J., & Yang, J. (2024). An Innovative Adaptive-Dimension Accordion Honeycomb for Circumferential Deformation. Applied Sciences, 14(23), 11258. https://doi.org/10.3390/app142311258

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