Mass production applicable locally resonant metamaterials for NVH applications
- Publication Type:
- Conference Proceeding
- Citation:
- Proceedings of the 26th International Congress on Sound and Vibration, ICSV 2019, 2019
- Issue Date:
- 2019-01-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| full_paper_448_20190331093448747.pdf | Published version | 387.45 kB |
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Locally resonant metamaterials have emerged as effective solutions for several types of NVH problems over the last few years, since they offer better performance of noise and vibration reduction than other NVH solutions. However, there have not been many cases that extend to the industrial applications, due to limitations which are often linked with design requirements, such as robustness, lightness and durability. In this paper, the authors propose a novel structural design which is feasible for mass production of locally resonant metamaterial that improves the productivity for industrial application. The proposed structure is made of metal insert injection molding. It enables mass production with insert injection and effectively joins plastic with metal. The manufactured model is applied on a thin plate structure, and experimentally verified. It is observed that the proposed structure effectively reduces the noise and vibration at the target frequency band, and is relatively superior to other vibration treatments such as deadeners. So, the proposed structure of locally resonant metamaterial is expected to be applicable to various industrial fields such as automobiles and home appliances
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