Despite the emergence of acoustic metamaterials with superior sound absorption and
transmission loss, their adoption for building sound insulation has been limited. Sound …

Abstract Machine learning (ML), as a component of artificial intelligence, encourages
structural design exploration which leads to new technological advancements. By …

Perfect, broadband and asymmetric sound absorption is theoretically, numerically and
experimentally reported by using subwavelength thickness panels in a transmission …

Pressure has long been recognized as a fundamental thermodynamic variable but its
application was previously limited by the available pressure vessels and probes. The …

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

Critical concepts from three different fields, elasticity, plasmonics and metamaterials, are
brought together to design a metasurface at the geophysical scale, the resonant …

Time-reversal invariant topological insulator is widely recognized as one of the fundamental
discoveries in condensed matter physics, for which the most fascinating hallmark is perhaps …

The ability to slow down wave propagation in materials has attracted significant research
interest. A successful solution will give rise to manageable enhanced wave–matter …

The energy of ground-born vibration is transported mostly by surface waves. Therefore,
engineered structures which absorb externally applied energy and improve structural …

In this work, we numerically and experimentally investigate topological rainbow trap** and
energy amplification of acoustic waves in a gradient phononic crystal (PC) structure. Thanks …