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Updated: Feb 17, 2026
11:08
Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
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A hybrid phononic crystal for roof application
1Shanghai Automotive Industry Corporation Limited, Shanghai 201804, People's Republic of China.
The Journal of the Acoustical Society of America
|December 3, 2017
Summary
This study introduces a novel phononic crystal system for effective low-frequency noise reduction. The research demonstrates tunable band gaps, offering a promising solution for engineering applications.
Area of Science:
- Acoustics and Materials Science
- Solid-State Physics
Background:
- Low-frequency noise reduction presents significant engineering challenges.
- Phononic crystals are advanced acoustic materials attracting substantial research interest.
Purpose of the Study:
- To propose and demonstrate a novel low-frequency noise attenuation system using phononic crystal structures.
- To investigate the tunability of phononic crystal band gaps by altering structural parameters.
Main Methods:
- Finite element simulation was employed to analyze phononic crystal band gaps.
- Experimental testing was conducted to validate simulation results.
- Systematic variation of structural parameters to study their effect on band gap properties.
Main Results:
- The finite element simulation results for band gaps showed strong agreement with experimental data.
- The study successfully demonstrated control over band gaps by adjusting structural parameters.
- The proposed phononic crystal structure exhibits effective low-frequency noise attenuation.
Conclusions:
- The developed phononic crystal system offers a viable and effective solution for low-frequency noise attenuation.
- Tunable band gaps achieved through parameter control provide engineering flexibility.
- The findings support the practical engineering application of phononic crystal structures.
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