A Finite/Spectral Element Hybrid Method for Modeling and Band-Gap Characterization of Metamaterial Sandwich Plates.

Linzhongyang E, Zhijing Wu, Fengming Li, Guangping Zou

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Article in Materials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Linzhongyang ECollege of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China.

Zhijing WuCollege of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China.

Fengming LiCollege of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China.ORCID 0000-0003-2263-1957

Guangping ZouCollege of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China.

Funding

National Natural Science Foundation of China 12072086, 11761131006

6 · The paper itself

Abstract

In this study, elastic metamaterial sandwich plates with axially deformed Timoshenko beam cores, considering both the out-of-plane and in-plane deformations of the face plates, are designed and the vibration band-gap properties are explored. The beam cores act as local resonators that can bear axial force, bending moment and shearing force. The finite element method (FEM) and the spectral element method (SEM) are combined to create the finite/spectral element hybrid method (FE-SEHM) for establishing the dynamic model and calculating the frequency response functions (FRFs) of the elastic metamaterial sandwich plate with axially deformed beam cores. It is observed that the metamaterial sandwich plate possesses both the axial and transverse vibration band-gaps of the beams, and the two kinds of band-gaps are independent. Compared with the metamaterial sandwich plates with rod cores, those with axially deformed beam cores have more extensive application ranges for vibration reduction.

Indexed as

band-gapselastic metamaterial sandwich platefinite element methodfrequency response functionlocal resonancespectral element method

Identifiers

PMID36770105

DOI10.3390/ma16031098

PMCPMC9922009

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