Structural Mechanics of cylindrical fish-cell zero Poisson's ratio metamaterials

Qin Qing; Dayyani Iman; Webb Phil

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Structural Mechanics of cylindrical fish-cell zero Poisson's ratio metamaterials

机译：Structural Mechanics of cylindrical fish-cell zero Poisson's ratio metamaterials

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摘要

In this paper, a novel cylindrical metamaterial exhibiting zero Poisson's ratio in two different directions is introduced. Detailed CAD modelling of a curved Fish-Cells necessary for numerical and experimental analysis are presented. High-fidelity finite element models are developed to assess the homogenisation studies of Poisson's ratio, Young's modulus and torsion behaviour, demonstrating the curvature effect and independency of the mechanical behaviour of cylindrical Fish-Cells metamaterial from tessellation numbers. Experimental analysis is performed to validate the zero Poisson's ratio, deformation and fracture mechanism discussed in numerical simulations. Moreover, buckling and modal behaviours of the cylindrical Fish-Cells metamaterials are studied and compared with equivalent shell models.

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来源
《Composite structures》 |2022年第6期|115455.1-115455.13|共13页
作者
Qin Qing; Dayyani Iman; Webb Phil;
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作者单位

Cranfield Univ, Ctr Struct Assembly & Intelligent Automation, Cranfield MK43 0AL, England;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
Lattice Structures; Cylindrical Metamaterial; Zero Poisson?s Ratio; Buckling; Modal analysis;

Structural Mechanics of cylindrical fish-cell zero Poisson's ratio metamaterials

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