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Title: Design and Numerical Analysis of Locally-Resonant Meta-Lattice Structure for Vibration Attenuation
Authors: Güngör, U.
Kurt, A.A.
Lale, M.
Acar, F.
Görgülüarslan, R.M.
Ünver, H.O.
Keywords: bandgap
Bloch-Floquet periodic boundary condition
finite element method
lattice structure
vibration transmission
Acoustic fields
Finite element method
Numerical methods
Vibration analysis
Wave transmission
Artificial material
Bloch-floquet periodic boundary condition
Floquet periodic boundary condition
Geometric orientation
Lattice structures
Vibration attenuation
Vibration transmission
Issue Date: 2022
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Meta-materials are artificial materials that perform superior properties in addition to natural behavior. Regardless of their chemical properties, metamaterials show high performance due to their geometric orientation. There are mechanical metamaterials that are used in vibration and acoustic fields, the main subject of which is wave transmission. The propagation of mechanical waves, which can cause problems such as structural damage, fatigue, poor performance, and discomfort in the industry, can be prevented or reduced by using meta-materials. Mechanical waves of various frequencies can be reduced or eliminated by locally resonant metamaterials obtained by adding various masses to viscoelastic materials. Metamaterials can be designed by modifying various lattice structures. Higher performance metamaterials are designed in this study by modifying the lattice structures used in the literature for vibration isolation. Finite element analyzes are carried out to show the transmissibility performance of the designed meta-lattice structures. Copyright © 2022 by ASME.
Description: ASME 2022 International Mechanical Engineering Congress and Exposition, IMECE 2022 -- 30 October 2022 through 3 November 2022 -- 186577
ISBN: 9780791886625
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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