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 …

The advancement in electromagnetic metamaterials, which commenced three decades ago,
experienced a rapid transformation into acoustic and elastic systems in the forms of …

Locally resonant metamaterials are characterized by bandgaps at wavelengths that are
much larger than the lattice size, enabling low-frequency vibration attenuation. Typically …

Among various strategies developed for the attenuation of noise and vibration in mechanical
structures, piezoelectric shunt damping, which consists in connecting piezoelectric …

Acoustic metamaterial science is an emerging field at the frontier of modern acoustics. It
provides a prominent platform for acoustic wave control in subwavelength-sized …

Periodic shunted piezoelectric patches are employed for the design of a tunable, one-
dimensional metamaterial. The configuration considered encompasses a beam undergoing …

The invisible cloak has attracted great attention due to its significant influences on science
and engineering. Active elastic wave metamaterials provide superior controllable …

This work addresses passive reduction of structural vibration by means of shunted
piezoelectric patches. The two classical resistive and resonant shunt solutions are …

Acoustic metamaterials with passive dissipative elements have demonstrated excellent
underwater low-frequency sound absorption abilities, but still suffer from the narrow …

In this paper, a tunable beam-type metamaterial composed of elastic base beams and
periodically arrayed active beam-type resonators is designed and analyzed theoretically …