Initially proposed to achieve strong noise isolation levels beyond the mass-density law,
acoustic metamaterials (AMMs) have now overturned the conventional views in all aspects …

Noise barriers are the most widespread solution to mitigate noise produced by the
continuous growth of vehicular traffic, thus reducing the large number of people exposed to it …

Triply periodic minimal surface (TPMS) sandwich panels have superior characteristics,
including lightweight and extraordinary mechanical properties, so that they are widely …

With noises being omnipresent in the modern society, sound-insulating materials are
implemented in almost all walks of life. For implementations in practical applications, those …

Attenuating low-frequency sound remains a challenge, despite many advances in this field.
Recently-developed acoustic metamaterials are characterized by unusual wave …

Phononic metamaterials are capable of manipulating mechanical wave propagation in
applications ranging from nanoscale heat transfer to noise and vibration mitigation. The …

Owing to a steep rise in urban population, there has been a continuous growth in
construction of buildings, public or private transport like cars, motorbikes, trains, and planes …

Noise exposure has reached an alarming degree over the years because of rapid growth in
the industry, transportation, and urbanization. Therefore, it is a dire need to provide …

Conventional sound shielding structures typically prevent fluid transport between the
exterior and interior. A design of a two-dimensional acoustic metacage with subwavelength …

Hierarchical structures with constituents over multiple length scales are found in various
natural materials like bones, shells, spider silk and others, all of which display enhanced …