A modular block-based acoustic metamaterial absorber with coiled cavities for enhanced sound absorption
Shuai Wang, Fengming Li, Seyed Mahmoud Hosseini · World Scientific Pub Co Pte Ltd · 2026
This research presents a modular acoustic metamaterial with tunable sound absorption capabilities for low-frequency applications.
Plain English summary
Why this matters
Key findings
- The acoustic metamaterial achieves a sound absorption coefficient higher than 0.8 in the frequency range of 664-1197 Hz.
- The absorption peak can be shifted down to 242 Hz without altering overall dimensions.
- A Genetic Algorithm is used to optimize the coiled cavity parameters.
- The design allows for modular assembly and tuning of sound absorption performance.
- The study validates the impedance model through experiments and simulations.
What's new
The modular design allows for tunable sound absorption capabilities without changing the overall dimensions, which is a significant advancement in acoustic metamaterials.
Limitations
The abstract does not specify the range of applications or potential limitations in real-world scenarios.
Commercial context
There is no information provided about commercial availability or readiness.
Publication
- Publisher
- World Scientific Pub Co Pte Ltd
- Publication date
- August 6, 2026
- Research type
- Paper
Tags
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