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 …

The study of phononic materials and structures is an emerging discipline that lies at the
crossroads of vibration and acoustics engineering and condensed matter physics. Broadly …

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 …

Earthquakes represent one of the most catastrophic natural events affecting mankind. At
present, a universally accepted risk mitigation strategy for seismic events remains to be …

Materials engineered at the micro-and nanometer scales have had a tremendous and
lasting impact in photonics and phononics. At much larger scales, natural soils civil …

We explore the thesis that resonances in trees result in forests acting as locally resonant
metamaterials for Rayleigh surface waves in the geophysics context. A geophysical …

In this study, a novel plate-type resonator is proposed, and the bandgap properties of a
metamaterial sandwich plate containing a two-dimensional periodic array of these plate-type …

The book provides a comprehensive presentation of the topic of phononic and sonic
crystals, including acoustic and elastic wave propagation in homogeneous and periodic …

We consider the canonical problem of an array of rods, which act as resonators, placed on
an elastic substrate; the substrate being either a thin elastic plate or an elastic half-space. In …

The finite-difference time-domain method is applied to the calculation of dispersion relations
of acoustic waves in two-dimensional (2D) phononic lattices, ie, periodic solid-solid, solid …