Acoustic Wave Propagation in Media Containing Two-Dimensional Periodically Spaced Elastic Inclusions

1991 ◽  
pp. 219-224
Author(s):  
Christian Audoly ◽  
Guy Duméry
Keyword(s):  
Wave Propagation ◽  
Acoustic Wave ◽  
Two Dimensional ◽  
Acoustic Wave Propagation ◽  
Elastic Inclusions

Acoustic wave propagation in two dimensional sheared ducted flows

1997 ◽  
Author(s):  
E. Longatte ◽  
P. Lafon ◽  
S. Candel ◽  
E. Longatte ◽  
P. Lafon ◽  
...  
Keyword(s):  
Wave Propagation ◽  
Acoustic Wave ◽  
Two Dimensional ◽  
Acoustic Wave Propagation

Analysis of surface acoustic wave propagation in a two-dimensional phononic crystal

2012 ◽  
Vol 112 (2) ◽  
pp. 023524 ◽  
Author(s):  
Yong Li ◽  
Zhilin Hou ◽  
Mourad Oudich ◽  
M. Badreddine Assouar
Keyword(s):  
Wave Propagation ◽  
Acoustic Wave ◽  
Surface Acoustic Wave ◽  
Phononic Crystal ◽  
Two Dimensional ◽  
Acoustic Wave Propagation

scholarly journals Two-Dimensional Composite Acoustic Metamaterials of Rectangular Unit Cell from Pentamode to Band Gap

Crystals ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 1457
Author(s):  
Qi Li ◽  
Ke Wu ◽  
Mingquan Zhang
Keyword(s):  
Wave Propagation ◽  
Acoustic Wave ◽  
Band Gap ◽  
Unit Cell ◽  
The Other ◽  
Two Dimensional ◽  
Acoustic Metamaterials ◽  
Acoustic Wave Propagation ◽  
Theoretical Support ◽  
Unit Cells

Pentamode metamaterials have been receiving an increasing amount of interest due to their water-like properties. In this paper, a two-dimensional composite pentamode metamaterial of rectangular unit cell is proposed. The unit cells can be classified into two groups, one with uniform arms and the other with non-uniform arms. Phononic band structures of the unit cells were calculated to derive their properties. The unit cells can be pentamode metamaterials that permit acoustic wave travelling or have a total band gap that impedes acoustic wave propagation by varying the structures. The influences of geometric parameters and materials of the composed elements on the effective velocities and anisotropy were analyzed. The metamaterials can be used for acoustic wave control under water. Simulations of materials with different unit cells were conducted to verify the calculated properties of the unit cells. The research provides theoretical support for applications of the pentamode metamaterials.

scholarly journals Surface Acoustic Wave Propagation in Two-dimensional Phononic Crystal on Piezoelectric Substrate

2014 ◽  
Vol 14 (2) ◽  
pp. 5-12
Author(s):  
Sergey Sergeevich Yankin ◽  
◽  
Abdelkrim Talbi ◽  
Jean-Claude Gerbedoen ◽  
Vladimir Leonidovich Preobrazhensky ◽  
...  
Keyword(s):  
Wave Propagation ◽  
Acoustic Wave ◽  
Surface Acoustic Wave ◽  
Phononic Crystal ◽  
Two Dimensional ◽  
Acoustic Wave Propagation ◽  
Piezoelectric Substrate
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