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1. Industrial-scale manufactured acoustic metamaterials for multi-bandgap sound reduction NSTL国家科技图书文献中心

Wang, Xiaole |  Sun, Ping... -  《International Journal of Mechanical Sciences》 - 2025,293 - 共24页

摘要: widespread adoption of acoustic metamaterials. This work is |  metamaterials. The proposed acoustic metamaterials comprise |  secure attachment of the acoustic metamaterials on the | -bandgap acoustic metamaterials and the practical |  toward the commercialization of acoustic metamaterials.
关键词: Acoustic metamaterials |  Noise control |  Mass production |  Local resonance |  Multi-bandgap

2. Passive Acoustic Metamaterials for Low Frequencies-Theories, Types, Testing, and Future Directions NSTL国家科技图书文献中心

Saad Akram |  Asif Israr -  《Advanced Engineering Materials》 - 2025,27(5) - 2402270~ - 共14页

摘要: metamaterials are designed to manipulate or attenuate acoustic |  waves. Early designs of acoustic metamaterials show |  the research of passive acoustic metamaterials |  112 low-frequency acoustic metamaterials designed in |  verification of acoustic metamaterials. This article aims to
关键词: Acoustic metamaterials |  Acoustic testing |  Helmholtz resonators |  Membrane metamaterials |  Metamaterial testing |  Space-coiled metamaterials

3. Tunable tri-band negative mass density acoustic metamaterials with nested three-layer hollow tubes NSTL国家科技图书文献中心

Hao, Limei |  Guo, Jifeng... -  《Physica,B.Condensed Matter》 - 2025,707 - 共7页

摘要: multiband acoustic metamaterials in isolation applications |  tri-band metamaterials with highperformance acoustic |  designed to achieve effective acoustic isolation at three |  with the coupling interaction. Three-band acoustic |  metamaterials with high-performance sound isolation were
关键词: Acoustic metamaterials |  Negative effective mass density |  Nested three-layer |  Resonance frequency |  Tri-band |  Sound isolation

4. Vibration Manipulation Properties of Phononic Crystals and Acoustic Metamaterials for Fluid-Conveying Pipeline Systems: A Review NSTL国家科技图书文献中心

Pengfei Li |  Zihan Zhang... -  《Journal of Vibration Engineering & Technologies》 - 2025,13(1 Pt.2) - 114~ - 共25页

摘要: crystals (PCs) and acoustic metamaterials (AMs) in the | Purpose Fluid-conveying pipeline systems | , widely used in ocean engineering, aerospace, oil and |  gas energy transmission, and nuclear steam supply |  systems, transport fluids to transfer energy, momentum
关键词: Fluid-conveying pipeline systems |  Vibration manipulation |  Phononic crystals |  Acoustic metamaterials

5. Band Gap Properties of Acoustic Metamaterials with Interval Parameters NSTL国家科技图书文献中心

Feiyang He |  Denghui Qian... -  《Journal of Vibration Engineering & Technologies》 - 2025,13(1 Pt.1) - 19~ - 共22页

摘要: in engineering structures, and acoustic |  metamaterials are no exception. Up to now, one of the most | Uncertainties are widespread and unavoidable |  common approaches to model these uncertainties is the |  interval model. In this paper, a novel interval finite
关键词: Metamaterial structure |  Safe band gap |  Interval dynamic equation |  Response surface method |  Interval vibration transmission analysis

6. Design of Vibration Isolation Structures with Minimum Compliance Using Multiple Types of Locally Resonant Acoustic Metamaterials via a Multiscale Topology Optimization Method NSTL国家科技图书文献中心

Chen, Hongfang |  Fu, Yu... -  《International journal of applied mechanics》 - 2025,17(2) - 共27页

摘要: challenge. Since locally resonant acoustic metamaterials | Designing structures that can isolate |  specified frequency ranges of vibration or noise while |  maintaining sufficient stiffness presents a significant |  (LRAMs) can create subwavelength bandgaps, this work
关键词: Multiscale topology optimization |  locally resonant acoustic metamaterials |  parameterized level set method |  homogenization method

7. Sound absorption mechanism and low frequency sound absorption performance optimization of aluminum foam-based labyrinth acoustic metamaterials NSTL国家科技图书文献中心

Chen, Jin |  Liang, Lisi... -  《Journal of the Brazilian Society of Mechanical Sciences and Engineering》 - 2025,47(5) - 共21页

摘要:To enhance the low-frequency sound absorption |  performance of aluminum foam, a folded slit structure was |  introduced to achieve subwavelength sound absorption. The |  theoretical model and finite element model of sound |  absorption performance of folded slit aluminum foam
关键词: Acoustic metamaterials |  Aluminum foam |  Finite element model |  Low frequency sound absorption

8. Fibonacci-Array Inspired Modular Acoustic Metamaterials for Tunable Low-Frequency Absorption NSTL国家科技图书文献中心

Zichao Guo |  Zhendong Li... -  《Advanced Materials Technologies》 - 2025,10(2) - 2400934~ - 共10页

摘要: design for Fibonacci-array inspired acoustic |  metamaterials is introduced, which are constructed using |  enhances the tunability of the metamaterials and offers a | A customized metamaterial tailored for a |  specific functionality holds significant appeal in
关键词: Fibonacci sequence |  Metamaterial bricks |  Sound absorption

9. Design and sound absorption analysis of labyrinthine acoustic metamaterials based on fractal theory NSTL国家科技图书文献中心

Cao, Dongxing |  Wang, Liming... -  《International Journal of Solids and Structures》 - 2025,306 - 共10页 - 被引量:1

摘要:Acoustic metamaterials exhibit exceptional |  fractal labyrinthine acoustic metamaterial (FLAM |  sound absorption capabilities. This study introduces a | ) designed for sound absorption analyses in a low-frequency |  range of 1-2000 Hz. The fractal curve is constructed
关键词: Acoustic metamaterial |  Low-frequency sound absorption |  Fractal |  Deep sub-wavelength absorption

10. Compact acoustic metamaterials based on azimuthal labyrinthine channels for broadband low-frequency soundproofing and ventilation NSTL国家科技图书文献中心

Lee I. |  Han I.... -  《Applied acoustics》 - 2025,228(Jan.) - 1.1~1.12 - 共12页

摘要: acoustic metamaterial designed for broadband |  thickness of the acoustic metamaterial is just 30 mm | , numerical simulations and experiments. The acoustic | © 2024 Elsevier LtdWe introduce a compact |  soundproofing and ventilation within the low-frequency range
关键词: Acoustic metamaterial |  Compact thickness |  Fano-like interference |  Labyrinth |  Soundproofing efficacy |  Ventilation
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