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Article

Vibration and Bandgap Behavior of Sandwich Pyramid Lattice Core Plate with Resonant Rings

by
Chengfei Li
,
Zhaobo Chen
* and
Yinghou Jiao
School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China
*
Author to whom correspondence should be addressed.
Materials 2023, 16(7), 2730; https://doi.org/10.3390/ma16072730
Submission received: 8 March 2023 / Revised: 25 March 2023 / Accepted: 27 March 2023 / Published: 29 March 2023
(This article belongs to the Section Mechanics of Materials)
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Abstract

The vibration suppression performance of the pyramid lattice core sandwich plates is receiving increasing attention and needs further investigation for technical upgrading of potential engineering applications. Inspired by the localized resonant mechanism of the acoustic metamaterials and considering the integrity of the lattice sandwich plate, we reshaped a sandwich pyramid lattice core with resonant rings (SPLCRR). Finite element (FE) models are built up for the calculations of the dispersion curves and vibration transmission. The validity of the bandgap of the SPLCRR and remarkable vibration suppression are verified by experimental observations and the numerical methods. Furthermore, the effects of geometric parameters, material parameters and period parameters on the bandgaps of the SPLCRR are systematically investigated, which offers a deeper understanding of the underlying mechanism of bandgap and helps the SPLCRR structure meet the technological update requirements of practical engineering design.
Keywords: sandwich plate; elastic metamaterials; bandgap; vibration properties sandwich plate; elastic metamaterials; bandgap; vibration properties

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MDPI and ACS Style

Li, C.; Chen, Z.; Jiao, Y. Vibration and Bandgap Behavior of Sandwich Pyramid Lattice Core Plate with Resonant Rings. Materials 2023, 16, 2730. https://doi.org/10.3390/ma16072730

AMA Style

Li C, Chen Z, Jiao Y. Vibration and Bandgap Behavior of Sandwich Pyramid Lattice Core Plate with Resonant Rings. Materials. 2023; 16(7):2730. https://doi.org/10.3390/ma16072730

Chicago/Turabian Style

Li, Chengfei, Zhaobo Chen, and Yinghou Jiao. 2023. "Vibration and Bandgap Behavior of Sandwich Pyramid Lattice Core Plate with Resonant Rings" Materials 16, no. 7: 2730. https://doi.org/10.3390/ma16072730

APA Style

Li, C., Chen, Z., & Jiao, Y. (2023). Vibration and Bandgap Behavior of Sandwich Pyramid Lattice Core Plate with Resonant Rings. Materials, 16(7), 2730. https://doi.org/10.3390/ma16072730

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