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Vibro-acoustic metamaterial with mass and flexible stem array

WSU researchers have developed a novel device combining the effects of negative effective elastic modulus and negative effective mass, acting as local resonators that can damp out vibrations and sound at multiple frequencies. This class of metamaterials has the superior ability to attenuate sound and have a much greater ability to block dynamic disturbances....

Published: 2/6/2014 | Inventor(s): Md Tofiqul Islam, Golam Newaz, Mohammad Hailat

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Category(s): Materials, Industrial & Manufacturing, Other, Physical Sciences, Building & Construction