Journal of Electromagnetic Analysis and Applications

Volume 5, Issue 1 (January 2013)

ISSN Print: 1942-0730   ISSN Online: 1942-0749

Google-based Impact Factor: 0.92  Citations  

Chiral Seismic Attenuation with Acoustic Metamaterials

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DOI: 10.4236/jemaa.2013.51003    6,931 Downloads   10,509 Views  Citations

Affiliation(s)

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ABSTRACT

We study the analogy between the linear elasticity theory equations and classical Maxwell equation with chiral effects and we propose a new method of an earthquake-resistant design to support conventional aseismic designs using acoustic metamaterials. We suggest a simple and practical method to reduce the amplitude of a seismic wave exponentially. Our device is like an attenuator of a chiral seismic wave. Constructing a cylindrical shell-type waveguide that creates a stop-band for the chiral seismic wave, we can convert the wave into an evanescent wave for some frequency range without touching the building we want to protect.

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H. Torres-Silva and D. Cabezas, "Chiral Seismic Attenuation with Acoustic Metamaterials," Journal of Electromagnetic Analysis and Applications, Vol. 5 No. 1, 2013, pp. 10-15. doi: 10.4236/jemaa.2013.51003.

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