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Seismic Waveguide of Metamaterials

Kim, Sang-Hoon; Das, Mukunda P


We developed a new method of an earthquake-resistant design to support conventional aseismic system using acoustic metamaterials. The device is an attenuator of a seismic wave that reduces the amplitude of the wave exponentially. Constructing a cylindrical shell-type waveguide composed of many Helmholtz resonators that creates a stop-band for the seismic frequency range, we convert the seismic wave into an attenuated one without touching the building that we want to protect. It is a mechanical...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Modern Physics Letters B
DOI: 10.1142/S0217984912501059


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