Modal sensitivity analysis of acoustic metamaterials for structural damage detection
Metamaterials have garnered significant research interest over the past few decades,
primarily due to their unique properties not found in naturally occurring materials. However …
primarily due to their unique properties not found in naturally occurring materials. However …
Investigation of broadband sound absorption of smart micro-perforated panel (MPP) absorber
A smart micro-perforated panel (MPP) is investigated in order to enhance sound absorption
performance of MPP absorbers, especially at low frequencies. The smart MPP consists of a …
performance of MPP absorbers, especially at low frequencies. The smart MPP consists of a …
A novel multiscale porous composite structure for sound absorption enhancement
Q Liu, X Liu, C Zhang, F Xin - Composite Structures, 2021 - Elsevier
A novel multiscale porous composite structure is proposed in this paper, which combines the
advantages of two different micro-porous materials and distributed meso-pores to enhance …
advantages of two different micro-porous materials and distributed meso-pores to enhance …
Remote whispering metamaterial for non-radiative transceiving of ultra-weak sound
J Zhang, W Rui, C Ma, Y Cheng, X Liu… - Nature …, 2021 - nature.com
Transceiving ultra-weak sound typically relies on signal pre-amplification at the transmitting
end via active electro-acoustic devices, which inherently perturbs the environment in the …
end via active electro-acoustic devices, which inherently perturbs the environment in the …
Hybrid fractal acoustic metamaterials for low-frequency sound absorber based on cross mixed micro-perforated panel mounted over the fractals structure cavity
The proposed work enumerates a hybrid thin, deep-subwavelength (2 cm) acoustic
metamaterials acting as a completely new type of sound absorber, showing multiple …
metamaterials acting as a completely new type of sound absorber, showing multiple …
Broadband and low-frequency sound absorption by a slit-perforated multi-layered porous metamaterial
Q Liu, C Zhang - Engineering Structures, 2023 - Elsevier
A novel slit-perforated multi-layered porous metamaterial (SMPM) is proposed in this paper,
which exhibits a broadband and low-frequency sound absorption characteristic. The …
which exhibits a broadband and low-frequency sound absorption characteristic. The …
Design of low-frequency and broadband acoustic metamaterials with I-shaped antichiral units
X Wang, W Chen, C Lu, X Tian, S Li - Applied Acoustics, 2022 - Elsevier
Controlling the propagation of low-frequency sound waves on the sub-wavelength scale is
still a challenging problem. For the design of low frequency sound reduction materials, this …
still a challenging problem. For the design of low frequency sound reduction materials, this …
The exploration of transmission property by using the circular-interface types of porous acoustic metamaterials
Based on the generalised Snell's law, many planar-interface types of acoustic metamaterials
have been proposed and extensively used. However, circular-interface types of acoustic …
have been proposed and extensively used. However, circular-interface types of acoustic …
Design of load-bearing materials for isolation of low-frequency waterborne sound
Materials with extremely low impedance like air can insulate efficiently waterborne sound,
particularly at low frequency, however the poor resistance to load hinders further their …
particularly at low frequency, however the poor resistance to load hinders further their …
Phononic materials with effectively scale-separated hierarchical features using interpretable machine learning
MV Bastawrous, Z Chen, AC Ogren, C Daraio… - arXiv preprint arXiv …, 2024 - arxiv.org
Manipulating the dispersive characteristics of vibrational waves is beneficial for many
applications, eg, high-precision instruments. architected hierarchical phononic materials …
applications, eg, high-precision instruments. architected hierarchical phononic materials …