Wave propagation in the polymer-filled star-shaped honeycomb periodic structure

Hsiang Wen Tang, Wei Di Chou, Lien-Wen Chen

研究成果: Article

5 引文 (Scopus)

摘要

The wave propagations in the periodic structure composed of auxetic star-shaped honeycombs are investigated. The matrix of the periodic structure is filled with polymer. The effective material properties of the unit cell of the periodic structure such as the Poisson’s ratio, the Young’s modulus, and the shear modulus are varied with different filling materials. The finite element method is used to solve the wave propagation within the auxetic star-shaped honeycombs. The dispersion analysis of the band structures and iso-frequency contour are presented. The auxeticity is found to have a significant effect on the wave propagation in the honeycomb structure, and the collimation of the auxetic star-shaped honeycomb structure is also studied. Effects of different types of filling on the wave propagation are also investigated. Among three filling types, the outer-filled honeycomb has the best self-collimation effect. The self-collimation of the polymer-filled auxetic honeycomb structure presented in this study can be applied to various acoustic devices.

原文English
文章編號523
期刊Applied Physics A: Materials Science and Processing
123
發行號8
DOIs
出版狀態Published - 2017 八月 1

指紋

Filled polymers
Periodic structures
Honeycomb structures
Wave propagation
Stars
Acoustic devices
Poisson ratio
Band structure
Materials properties
Polymers
Elastic moduli
Finite element method

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

引用此文

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Wave propagation in the polymer-filled star-shaped honeycomb periodic structure. / Tang, Hsiang Wen; Chou, Wei Di; Chen, Lien-Wen.

於: Applied Physics A: Materials Science and Processing, 卷 123, 編號 8, 523, 01.08.2017.

研究成果: Article

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