scholarly journals Band Gaps and Single Scattering of Phononic Crystal

2011 ◽  
Vol 01 (03) ◽  
pp. 86-90
Author(s):  
Xiaoyi Huang ◽  
Jingcui Peng ◽  
Huanyou Wang ◽  
Gui Jin
Keyword(s):  
Phononic Crystal ◽  
Single Scattering ◽  
Band Gaps

scholarly journals Band Gaps and Transmission Characteristics Analysis on a Two-Dimensional Multiple-Scatter Phononic Crystal Structure

Materials ◽  
2020 ◽  
Vol 13 (9) ◽  
pp. 2106 ◽  
Author(s):  
Hang Xiang ◽  
Xingfu Ma ◽  
Jiawei Xiang
Keyword(s):  
Phononic Crystal ◽  
Low Frequency ◽  
Functional Materials ◽  
Single Scattering ◽  
Acoustic Energy ◽  
Band Gaps ◽  
Transmission Characteristics ◽  
Future Design ◽  
Multiple Scatter ◽  
Characteristics Analysis

In this paper, a novel wrap-around multi-scattering phononic crystal (PC) structure is proposed. Band gaps (BGs) and transmission characteristics of the present structure are calculated using finite element method (FEM). Through the calculations of single-scattering prototype, three complete BGs which are exhibited at low frequency and the fourth wide BG at high frequency are discovered. The transmission features and resonant spectra represented by frequency response function (FRF) shows that apparent resonance directly cause the four specific BGs. By keeping the total area of scatterers unchanged, 2 × 2, 3 × 3 and 4 × 4 scatterers are designed to obtain the change rule of BGs. Furthermore, the size ratio of 2 × 2 scatterers, the number of connection beams are investigated to obtain the regular pattern of acoustic energy transmission and attenuation. The present investigation of multiple-scatter PC structure will provide a solid support on the future design of acoustical functional materials.

Flexural Wave Band Gaps in Phononic Crystal Thick Plates with Defects

2019 ◽  
Author(s):  
Edson Jansen Pedrosa de Miranda Junior ◽  
Jose Maria Campos dos Santos
Keyword(s):  
Phononic Crystal ◽  
Band Gaps ◽  
Flexural Wave ◽  
Wave Band ◽  
Thick Plates

Lamb wave band gaps in locally resonant phononic crystal strip waveguides

2012 ◽  
Vol 376 (4) ◽  
pp. 579-583 ◽  
Author(s):  
Yuanwei Yao ◽  
Fugen Wu ◽  
Xin Zhang ◽  
Zhilin Hou
Keyword(s):  
Lamb Wave ◽  
Phononic Crystal ◽  
Band Gaps ◽  
Wave Band

scholarly journals Properties of band gaps in phononic crystal pipe consisting of expansion chambers with extended inlet/outlet

2018 ◽  
Vol 67 (7) ◽  
pp. 074301
Author(s):  
Zhang Zhen-Fang ◽  
Yu Dian-Long ◽  
Liu Jiang-Wei ◽  
Wen Ji-Hong
Keyword(s):  
Phononic Crystal ◽  
Band Gaps

Absolute band gaps and waveguiding in free standing and supported phononic crystal slabs

2008 ◽  
Vol 6 (1) ◽  
pp. 32-37 ◽  
Author(s):  
B. Djafari-Rouhani ◽  
J.O. Vasseur ◽  
A.C. Hladky-Hennion ◽  
P. Deymier ◽  
F. Duval ◽  
...  
Keyword(s):  
Phononic Crystal ◽  
Band Gaps ◽  
Free Standing

Locally resonant surface acoustic wave band gaps in a two-dimensional phononic crystal of pillars on a surface

2010 ◽  
Vol 81 (21) ◽  
Author(s):  
Abdelkrim Khelif ◽  
Younes Achaoui ◽  
Sarah Benchabane ◽  
Vincent Laude ◽  
Boujamaa Aoubiza
Keyword(s):  
Acoustic Wave ◽  
Surface Acoustic Wave ◽  
Phononic Crystal ◽  
Band Gaps ◽  
Wave Band ◽  
Two Dimensional

Flexural Wave Band Gaps in a 1D Phononic Crystal Beam

2018 ◽  
pp. 487-499
Author(s):  
Edson Jansen Pedrosa de Miranda ◽  
José Maria Campos dos Santos
Keyword(s):  
Phononic Crystal ◽  
Band Gaps ◽  
Flexural Wave ◽  
Wave Band
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