 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 13088 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8125
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| In English (Mech. Solids): | | 4963 |
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| Tang Zhonghai, Gao Meng, and Xu Lihui, "The Bandgap and Vibration Isolation Performance of Metamaterial Wave Impeding Block," Mech. Solids. 60 (1), 452-471 (2025) |
| Year |
2025 |
Volume |
60 |
Number |
1 |
Pages |
452-471 |
| DOI |
10.1134/S0025654424606803 |
| Title |
The Bandgap and Vibration Isolation Performance of Metamaterial Wave Impeding Block |
| Author(s) |
Tang Zhonghai (College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao, 266590 China)
Gao Meng (College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao, 266590 China, gmxyz@sdust.edu.cn)
Xu Lihui (College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao, 266590 China) |
| Abstract |
The frequency components of artificial vibration sources are relatively complex, with distributions in low, medium, and high frequencies. However, previous studies have shown that traditional wave barriers only have good isolation effects on low-frequency vibrations, which constrains the utilisation of WIB in engineering vibration mitigation. Therefore, a metamaterial wave impeding block (MWIB) has been presented according to photonic crystal theory. The characteristic of band gap in the MWIB was explored using theoretical and finite element method (FEM), and the impact of structure and material properties on bandwidth characteristics was also examined. Finally, a three-dimensional analytical model of the MWIB-soil structure was developed, as well as its vibration isolation efficacy of the MWIB under harmonic loading was evaluated., and contrasted to the homogeneous concrete WIB. The findings indicate that the MWIB with finite and infinite periodic structures has consistent attenuation domains and bandgap range. The peak amplitude reduction of the vibration’s attenuation region can attain 43 dB, which is higher than that of traditional wave impeding block(WIB). The MWIB shows clear bandgap properties, and its bandgap range are closely related to the periodic constant, geometric parameters, and material parameters and are a function of them. The required bandgap for engineering vibration isolation can be obtained by adjusting these parameters. The vibration isolation efficacy with the MWIB is markedly enhanced in comparison to the WIB. |
| Keywords |
metamaterial, periodic structure, WIB, target frequency, band gap, attenuation domain |
| Received |
03 December 2024 | Revised |
15 January 2025 | Accepted |
18 January 2025 |
| Link to Fulltext |
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