To enhance the sound insulation performance of double panel partitions at their mass-air-
mass resonance frequency, novel compact and low-mass solutions are sought. This paper …

This paper presents the localized collocation solver based on fundamental solutions to 3D
elastic wave propagation analysis. In the proposed collocation solver, the approximated …

Vibro-acoustic locally resonant metamaterials with structural stop band behaviour can lead
to a strongly increased sound transmission loss in a targeted frequency range. This work …

Double panel partitions with a foam core suffer a poor sound transmission loss at their mass-
spring-mass resonance frequency. This paper considers the use of vibro-acoustic resonant …

This work aims to provide better physical understanding of Bragg band gap effects in
continuously periodic corrugated beams for flexural waves. The main outcome is the …

Airborne sound absorption coefficient is the premise for investigating the sound absorption
performance or mechanism of metaporous materials. The common numerical evaluation …

Blazed gratings are optical components typically employed in modern optical engineering.
To realize high-precision and high-efficiency fabrication of blazed gratings on reliable …

In recent years, a wide variety of inhomogeneous periodic structures including locally
resonant metamaterials and phononic crystals have come to the fore in the search for …

In the search for lightweight solutions with favourable noise and vibration attenuation, locally
resonant vibro-acoustic metamaterials have emerged as a promising candidate due to their …

This paper presents a hybrid wave and finite element/boundary element method for
predicting the vibroacoustic characteristics of complex panels characterised by an irregular …