Recent advances in acoustic boundary element methods
The modern scope of boundary element methods (BEM) for acoustics is reviewed in this
paper. Over the last decades the BEM has gained popularity despite suffering from …
paper. Over the last decades the BEM has gained popularity despite suffering from …
Rotating machinery weak fault features enhancement via line-defect phononic crystal sensing
J **ao, X Ding, W Huang, Q He, Y Shao - Mechanical Systems and Signal …, 2024 - Elsevier
The fault features of rotating machinery at the early degradation stage are always weak as a
result of interference from strong noise and irrelevant harmonics. Although traditional …
result of interference from strong noise and irrelevant harmonics. Although traditional …
[HTML][HTML] Extending material distribution topology optimization to boundary-effect-dominated problems with applications in viscothermal acoustics
A new formulation is presented that extends the material distribution topology optimization
method to address boundary-effect-dominated problems, where specific boundary …
method to address boundary-effect-dominated problems, where specific boundary …
Level set-based topology optimization for graded acoustic metasurfaces using two-scale homogenization
This paper proposes a level set-based topology optimization method for acoustic
metasurfaces consisting of multiple types of unit cells. As a type of acoustic metasurface, we …
metasurfaces consisting of multiple types of unit cells. As a type of acoustic metasurface, we …
Broadband low-frequency bidimensional honeycomb lattice metastructure based on the coupling of subwavelength resonators
The development and application of noise control strategies have been recently the focus of
attention by several researchers. In the present study, the authors develop a thin low …
attention by several researchers. In the present study, the authors develop a thin low …
A Fabry-Pérot resonator based metamaterial structure for acoustic signal enhancement in machinery condition monitoring
S Huang, Y Lin, D Shi, R Deng, B Huang, F Gu… - … Systems and Signal …, 2025 - Elsevier
Lowering operational frequencies in acoustic signal processing enhances maintenance
efficiency and reduces data handling burden for online machine condition monitoring …
efficiency and reduces data handling burden for online machine condition monitoring …
Structural optimization of metamaterials based on periodic surface modeling
Y Lu, Y Wang - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
Metamaterials are engineered microstructures or composites which exhibit novel properties
that are not found in nature. Structural optimization methods for shape and topology …
that are not found in nature. Structural optimization methods for shape and topology …
[HTML][HTML] On the validity of numerical models for viscothermal losses in structural optimization for micro-acoustics
The increasing interest in miniaturizing acoustic devices has made accurate and efficient
models of acoustic viscous and thermal losses progressively more important. This is …
models of acoustic viscous and thermal losses progressively more important. This is …
Topology optimization for acoustic structures considering viscous and thermal boundary layers using a sequential linearized Navier–Stokes model
This study proposes a level set-based topology optimization method for designing acoustic
structures with viscous and thermal boundary layers in perspective. Acoustic waves …
structures with viscous and thermal boundary layers in perspective. Acoustic waves …
Level set-based shape optimization of deformable structures for achieving desired sound transmission and reflective responses
In this paper, we propose a level set-based shape optimization method for acoustic wave
propagation problems with a deformable structure. First, we propose a mathematical model …
propagation problems with a deformable structure. First, we propose a mathematical model …