Wave propagation through a structured medium has attracted the attention of researchers for
centuries due to its relevance to problems in condensed matter physics, chemistry, optics …

In this paper, we review the recent advances which have taken place in the understanding
and applications of acoustic/elastic metamaterials. Metamaterials are artificially created …

This definitive guide covers the design and application of absorbers and diffusers in
acoustics. Surface diffusion is a relatively young subject area, and diffuser design …

Vibration suppression at subwavelength scales is of great interest in acoustic and/or elastic
metamaterial engineering which has a wide range of potential applications requiring …

Membrane-type acoustic metamaterials (MAM) are novel, lightweight and compact materials
that can be used to isolate the sound at low frequencies beyond the limits of conventional …

Lightweight, low-frequency, broadband and highly efficient vibration reduction is widely
desired in various devices. Nonlinear acoustic metamaterial (NAM) is a new type of …

This paper studies sound transmission loss (STL) of a metamaterial thin plate consisting of
periodic subwavelength arrays of shunted piezoelectric patches bonded to the two surfaces …

This work presents sound insulation and sound reflection measurements conducted over
sonic crystal noise barriers according to the European standards EN 1793-2, EN 1793-5 and …

Phononic crystals and elastic metamaterials have recently received significant attention due
to their potential for unconventional wave control. Despite this interest, one outstanding …

Locally resonant metamaterials are employed to increase the sound insulation of a host
structure. In orthotropic host structures, the direction-dependent bending stiffness leads to a …