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Analyzing in-plane mechanics of a novel honeycomb structure with zero Poisson's ratio
https://orcid.org/0000-0003-1530-0981
Highlights A novel honeycomb structure with zero Poisson's ratio is proposed. Relationships between three elastic constants and geometric parameters are studied. The zero poisson's ratio property is maintained within a relatively small fluctuation range.
Abstract The superior performance of honeycomb structure has facilitated its extensive application in various fields. In this paper, a novel honeycomb structure is proposed, which exhibits zero Poisson's ratio behavior. Firstly, the in-plane mechanical properties are analyzed based on the classical Castigliano's theorem to obtain expressions connecting the three elastic constants of the structure and geometric parameters. Then, the theoretical expressions are verified by homogenized finite element methods and 3D-printed experimental models, which help to determine the relationship between the in-plane mechanical properties and the geometric parameters. The results show that the mechanical properties of the honeycomb structure can be tailored by changing the geometric parameters, while ensuring that the zero Poisson's ratio property is maintained within a relatively small fluctuation range. This study reveals that the mechanical properties of the novel honeycomb structure are tunable, which has outperformed some honeycomb structures on adjusting range.
Analyzing in-plane mechanics of a novel honeycomb structure with zero Poisson's ratio
https://orcid.org/0000-0003-1530-0981
Highlights A novel honeycomb structure with zero Poisson's ratio is proposed. Relationships between three elastic constants and geometric parameters are studied. The zero poisson's ratio property is maintained within a relatively small fluctuation range.
Abstract The superior performance of honeycomb structure has facilitated its extensive application in various fields. In this paper, a novel honeycomb structure is proposed, which exhibits zero Poisson's ratio behavior. Firstly, the in-plane mechanical properties are analyzed based on the classical Castigliano's theorem to obtain expressions connecting the three elastic constants of the structure and geometric parameters. Then, the theoretical expressions are verified by homogenized finite element methods and 3D-printed experimental models, which help to determine the relationship between the in-plane mechanical properties and the geometric parameters. The results show that the mechanical properties of the honeycomb structure can be tailored by changing the geometric parameters, while ensuring that the zero Poisson's ratio property is maintained within a relatively small fluctuation range. This study reveals that the mechanical properties of the novel honeycomb structure are tunable, which has outperformed some honeycomb structures on adjusting range.
Analyzing in-plane mechanics of a novel honeycomb structure with zero Poisson's ratio
https://orcid.org/0000-0003-1530-0981
Highlights A novel honeycomb structure with zero Poisson's ratio is proposed. Relationships between three elastic constants and geometric parameters are studied. The zero poisson's ratio property is maintained within a relatively small fluctuation range.
Abstract The superior performance of honeycomb structure has facilitated its extensive application in various fields. In this paper, a novel honeycomb structure is proposed, which exhibits zero Poisson's ratio behavior. Firstly, the in-plane mechanical properties are analyzed based on the classical Castigliano's theorem to obtain expressions connecting the three elastic constants of the structure and geometric parameters. Then, the theoretical expressions are verified by homogenized finite element methods and 3D-printed experimental models, which help to determine the relationship between the in-plane mechanical properties and the geometric parameters. The results show that the mechanical properties of the honeycomb structure can be tailored by changing the geometric parameters, while ensuring that the zero Poisson's ratio property is maintained within a relatively small fluctuation range. This study reveals that the mechanical properties of the novel honeycomb structure are tunable, which has outperformed some honeycomb structures on adjusting range.
Analyzing in-plane mechanics of a novel honeycomb structure with zero Poisson's ratio
Liu, Wangyu (author) / Zhang, Yulong (author) / Guo, Zhengqiang (author) / Li, Dongxun (author) / Zhao, Sheng (author) / Xie, Weigui (author)
Thin-Walled Structures ; 192
2023-08-19
Article (Journal)
Electronic Resource
English
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