Tailoring structure‐borne sound through bandgap engineering in phononic crystals and metamaterials: a comprehensive review

M Oudich, NJRK Gerard, Y Deng… - Advanced Functional …, 2023 - Wiley Online Library
In solid state physics, a bandgap (BG) refers to a range of energies where no electronic
states can exist. This concept was extended to classical waves, spawning the entire fields of …

A horizon study for cosmic explorer: science, observatories, and community

M Evans, RX Adhikari, C Afle, SW Ballmer… - arXiv preprint arXiv …, 2021 - arxiv.org
This Horizon Study describes a next-generation ground-based gravitational-wave
observatory: Cosmic Explorer. With ten times the sensitivity of Advanced LIGO, Cosmic …

Seismic metamaterials: Generating low-frequency bandgaps induced by inertial amplification

Y Zeng, L Cao, S Wan, T Guo, YF Wang, QJ Du… - International Journal of …, 2022 - Elsevier
In the last two decades, seismic metamaterials have attracted significant attention of
researchers because of the characteristic of the bandgap which can be used to control …

Gravitational-wave physics with Cosmic Explorer: Limits to low-frequency sensitivity

ED Hall, K Kuns, JR Smith, Y Bai, C Wipf, S Biscans… - Physical Review D, 2021 - APS
Cosmic Explorer is a next-generation ground-based gravitational-wave observatory concept,
envisioned to begin operation in the 2030s and expected to be capable of observing binary …

Forest trees as a natural metamaterial for surface wave attenuation in stratified soils

C He, S Zhou, X Li, H Di, X Zhang - Construction and Building Materials, 2023 - Elsevier
Forest trees have been shown to act as a natural metamaterial to attenuate elastic waves.
However, the existing studies assumed that forest trees are located on homogeneous soils …

Mitigation of seismic waves: Metabarriers and metafoundations bench tested

A Colombi, R Zaccherini, G Aguzzi, A Palermo… - Journal of Sound and …, 2020 - Elsevier
The article analyses two potential metamaterial designs, the metafoundation and the
metabarrier, capable to attenuate seismic waves impact on buildings or structural …

Mitigation of Rayleigh-like waves in granular media via multi-layer resonant metabarriers

R Zaccherini, A Palermo, A Marzani, A Colombi… - Applied Physics …, 2020 - pubs.aip.org
In this work, we experimentally and numerically investigate the propagation and attenuation
of vertically polarized surface waves in an unconsolidated granular medium equipped with …

Subwavelength seismic metamaterial with an ultra-low frequency bandgap

Y Zeng, P Peng, QJ Du, YS Wang… - Journal of Applied …, 2020 - pubs.aip.org
ABSTRACT A subwavelength seismic metamaterial (SM) consisting of a three-component
SM plate (SMP) and a half space is proposed to attenuate ultra-low frequency seismic …

Conversion of Love waves in a forest of trees

A Maurel, JJ Marigo, K Pham, S Guenneau - Physical Review B, 2018 - APS
We inspect the propagation of shear polarized surface waves akin to Love waves through a
forest of trees of the same height atop a guiding layer on a soil substrate. An asymptotic …

Natural seismic metamaterials: the role of tree branches in the birth of Rayleigh wave bandgap for ground born vibration attenuation

Muhammad, CW Lim - Trees, 2021 - Springer
Key message Clusters of forest trees can be assumed as naturally available seismic
metamaterials capable of mitigating low-frequency earthquake waves. Strategic afforestation …