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Numerical analysis of composite structure with in-plane isotropic negative Poisson’s ratio: effects of materials properties and geometry features of inclusions

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journal contribution
posted on 30.06.2017 by Xiaonan Hou, Hong Hu, Vadim Silberschmidt
A novel composite structure with isotropic negative Poisson's ratio has been presented in our previous paper [1]. However, the previous study has only focused on the effects of random inclusions. In this work, an extended numerical study on the effects of materials properties and geometry features of inclusions is conducted in order to better understand the deformation mechanism and mechanical properties of this kind of composites. Using finite element method, the overall negative Poisson's ratio effects and mechanical properties of the composites are analyzed in terms of different factors including thickness and stiffness of inclusions with uniform and non-uniform struts. The structure optimization of the composites with better negative Poisson's ratio effect and mechanical performance are discussed based on the numerical calculated results. The study shows that the Poisson's ratio effects and mechanical properties of the composites are significantly affected by geometrical features, stiffness and boundary conditions of inclusions.

Funding

The authors would like to thank the funding support from the Research Grants Council of Hong Kong Special Administrative Region Government in the form of a GRF project (Grant Number 516510).

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Composites Part B: Engineering

Volume

58

Pages

152 - 159

Citation

HOU, X., HU, H. and SILBERSCHMIDT, V., 2014. Numerical analysis of composite structure with in-plane isotropic negative Poisson’s ratio: effects of materials properties and geometry features of inclusions. Composites. Part B, Engineering, 58, pp.152-159.

Publisher

© Elsevier

Version

NA (Not Applicable or Unknown)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2014

ISSN

1359-8368

Language

en

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