DocumentCode
3022378
Title
Negative refraction of transverse waves in an elastic phononic crystal
Author
Hladky-Hennion, Anne-Christine ; Vasseur, Jérôme ; Dubus, Bertrand ; Djafari-Rouhani, Bahram ; Morvan, Bruno ; Tinel, Alain ; Ekeom, Didace
Author_Institution
IEMN, CNRS, Lille
fYear
2008
fDate
2-5 Nov. 2008
Firstpage
253
Lastpage
256
Abstract
This paper reports numerical and experimental analyses of negative refraction process using a phononic crystal, made of a periodic arrangement of holes in aluminium. Dispersion curves are discussed and conditions for which negative refraction can appear are identified. Negative refraction is clearly obtained for transverse waves. Experiments confirm numerical predictions.
Keywords
aluminium; elastic waves; elasticity; metamaterials; phononic crystals; Al; aluminium; dispersion curves; elastic phononic crystal; negative refraction process; transverse waves; Acoustic propagation; Acoustic refraction; Acoustic waves; Aluminum; Composite materials; Crystalline materials; Crystals; Filling; Frequency domain analysis; Solids; component; negative refraction; phononic crystals;
fLanguage
English
Publisher
ieee
Conference_Titel
Ultrasonics Symposium, 2008. IUS 2008. IEEE
Conference_Location
Beijing
Print_ISBN
978-1-4244-2428-3
Electronic_ISBN
978-1-4244-2480-1
Type
conf
DOI
10.1109/ULTSYM.2008.0062
Filename
4803446
Link To Document