Study on Constraints Influence Mechanism of Two- Dimensional Phononic Crystals Bandgap Structure

DOI

10.2991/cmfe-15.2015.14How to use a DOI?

Keywords

phononic crystal; cutoff frequency; resonance; bandgap; constraints

Abstract

Based on constraint phononic crystal cutoff frequency characteristics, the paper studied effects on the phonon crystal band structure of the two-dimensional phononic crystal substrate density and elastic modulus under constraints. The spring quality equivalent model is proposed for the theoretical interpretation, and the results show that the equivalent model with similar constraints on phononic crystals bandgap structure has an important impact, and the cut-off frequency of phonon crystal is increased as the matrix density and elastic modulus increase. The further research of constraint phonon crystal band structure has important theoretical and practical significance for engineering of low-frequency vibration noise control.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Jing-Bo Zhao
AU  - Hong Yao
AU  - Yi-Jing Liu
AU  - Min-Rong Zhao
AU  - Jun Du
AU  - Jiu-Long Jiang
AU  - Ya-Ke Dong
PY  - 2015/07
DA  - 2015/07
TI  - Study on Constraints Influence Mechanism of Two- Dimensional Phononic Crystals Bandgap Structure
BT  - Proceedings of the International Conference on Chemical, Material and Food Engineering
PB  - Atlantis Press
SP  - 55
EP  - 58
SN  - 2352-5401
UR  - https://doi.org/10.2991/cmfe-15.2015.14
DO  - 10.2991/cmfe-15.2015.14
ID  - Zhao2015/07
ER  -