Band Gaps and Single Scattering of Phononic Crystal

Xiaoyi Huang, Jingcui Peng, Huanyou Wang, Gui Jin

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DOI: 10.4236/ampc.2011.13014                

Abstract

A method is introduced to study the transmission and scattering properties of acoustic waves in two–dimen- sional phononic band gap (PBG) materials. First, it is used to calculate the transmission coefficients of PBG samples. Second, the transmitted power is calculated based on the far field approach. We have also calcu- lated the scattering cross section, the results indicate that phononic band gap appear in frequency regions between two well separated resonance states.

Keywords

Phononic Crystal, Band Gap, Single Scattering

Conflicts of Interest

The authors declare no conflicts of interest.

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