The Study of Characteristics of Sphere-Radial Phononic Crystals

Qi Hua Wen

doi:10.4028/www.scientific.net/AMR.211-212.609

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 211-212The Study of Characteristics of Sphere-Radial...

The Study of Characteristics of Sphere-Radial Phononic Crystals

Abstract:

By deducing the spherical elastic wave equation in theory, the concept of sphere-radial phononic crystal is proposed, and then the equations to determine the acoustic band structures is deduced. A numerical example is given for steel/nitrile rubber phononic crystal. The numerical simulation results suggest that the band gaps of sphere-radial phononic crystals do exist, which have better attenuation characteristics and practical application performance than the one-dimensional phononic crystals.

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Periodical:

Advanced Materials Research (Volumes 211-212)

Pages:

609-614

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.211-212.609

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Online since:

February 2011

Authors:

Qi Hua Wen

Keywords:

Bandgap, Sphere-Radial Phononic Crystals, Spherical Elastic Wave Equation

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