Design and optimization of locally resonating sonic crystals

• Published in: IEEE Symposium on Ultrasonics, 2003 Vol. 2; pp. 1491 - 1494 Vol.2
• Main Authors: Hirsekorn, M., Delsanto, P.P., Batra, N., Matic, P.
• Format: Conference Proceeding
• Language: English
• Published: IEEE 2003
• Subjects: Acoustic materials; Analytical models; Attenuation; Crystalline materials; Crystals; Design optimization; Frequency; Numerical simulation; Resonance; Slabs

Sonic crystals containing locally resonant structures exhibit strong sound attenuation bands at frequencies about two orders of a magnitude smaller than those predicted by Bragg's theory. Small-size slabs can be designed from these materials, which have sound attenuation effects similar to the...