Trampoline metamaterial: Local resonance enhancement by springboards

By Osama R. Bilal, Mahmoud I. Hussein. 2013

173 citations recorded by the source corpus.

We investigate the dispersion characteristics of locally resonant elastic metamaterials formed by the erection of pillars on the solid regions in a plate patterned by a periodic array of holes. We show that these solid regions effectively act as springboards leading to an enhanced resonance behavior by the pillars when compared to the nominal case of pillars with no holes. This local resonance amplification phenomenon, which we define as the trampoline effect, is shown to cause subwavelength bandgaps to increase in size by up to a factor of 4. This outcome facilitates the utilization of subwavelength metamaterial properties over exceedingly broad frequency ranges.

Subfields: Aerospace Engineering, Biomedical Engineering, Electronic, Optical and Magnetic Materials

View Paper: https://www.semanticscholar.org/paper/ad35df2d6409cd4aeb0336c45787558c9e88c6d6

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In Aerospace Engineering

1. N. J. Gerard
2. Yun Jing
3. Yuanchen Deng
4. Mourad Oudich

In Biomedical Engineering

1. N. J. Gerard
2. Yun Jing
3. Yuanchen Deng
4. Mourad Oudich

Citations in the corpus

• Tailoring Structure‐Borne Sound through Bandgap Engineering in Phononic Crystals and Metamaterials: A Comprehensive Review (2022, background): “[224,225] added holes in-between the pillars to lower the effective stiffness of the plate and increase the coupling mechanism (Fig.”