Flexural wave bandgaps of corrugated-core sandwich metabeam with inertial amplified resonators using the spectral element method-Reference-Cited by-同舟云学术

Flexural wave bandgaps of corrugated-core sandwich metabeam with inertial amplified resonators using the spectral element method

Published:2024-02-23 Issue: Volume: Page:
ISSN:1077-5463
Container-title:Journal of Vibration and Control
language:en
Short-container-title:Journal of Vibration and Control

Author:

Li Xunyu¹²,Hu Yong¹²,He Tao³,Li Yinggang¹²⁴^ORCID,Ouyang Wu⁵^ORCID,Li Xiaobin¹²

Affiliation:

1. Key Laboratory of High Performance Ship Technology, Ministry of Education, Wuhan University of Technology, Wuhan, China

2. Departments of Naval Architecture, Ocean and Structural Engineering, School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan, China

3. Wuhan Second Ship Design and Research Institute, Wuhan, China

4. Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya, China

5. School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan, China

Abstract

In this paper, we present a theoretical investigation of flexural wave propagation and vibration bandgap properties in corrugated-core sandwich metabeam with inertial amplified resonators. The complete analytical solutions for the flexural wave propagation with free boundary conditions are obtained through the spectral element method. Finite element calculation of transmission characteristics of sandwich metabeam with inertial amplified resonators are carried out to validate the accuracy of the proposed complete analytical solutions. In addition, the vibration reduction effect of sandwich metabeam with inertial amplified resonators is compared with that of the corrugated-core metabeam with local resonance. The influences of system parameters on the flexural wave attenuation are analyzed. Results show that the complete analytical solution for the proposed sandwich metabeam structure can be effectively used to predict the vibrational properties. In addition, significant enlargement of low-frequency bandgap can be obtained by using an inertial amplification sandwich metabeam structure. The proposed sandwich metabeam structure has good bandgap adjustment ability.

Funder

National Natural Science Foundation of China

Nature Science Foundation of Hainan Province

Publisher

SAGE Publications

Link

http://journals.sagepub.com/doi/pdf/10.1177/10775463241235236

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