[HTML][HTML] Wave attenuation in elastic metamaterial thick plates: Analytical, numerical and experimental investigations

EJP Miranda Jr, ED Nobrega, SF Rodrigues… - International Journal of …, 2020 - Elsevier
We investigate the complex band structure and forced response of flexural waves
propagating in an elastic metamaterial thick plate. Mindlin-Reissner thick plate theory is …

Flexural wave band gaps in a ternary periodic metamaterial plate using the plane wave expansion method

VF Dal Poggetto, AL Serpa - Journal of Sound and Vibration, 2021 - Elsevier
Low-and mid-frequency range vibrations usually present issues in their insulation. The
development of periodic metamaterials (artificially engineered structures) has been …

Elastic wave band gaps in a three-dimensional periodic metamaterial using the plane wave expansion method

VF Dal Poggetto, AL Serpa - International Journal of Mechanical Sciences, 2020 - Elsevier
In this work, a novel Fourier series expansion is proposed for representing periodic three-
dimensional metamaterials consisting of spherical inclusions in a cubic lattice, which allows …

Widening wave band gaps of periodic plates via shape optimization using spatial Fourier coefficients

VF Dal Poggetto, JR de França Arruda - Mechanical Systems and Signal …, 2021 - Elsevier
Periodic media have been shown to exhibit wave attenuation in frequency ranges called
band gaps. The challenge is designing feasible periodic structures that present total band …

Design and experimental validation of a metamaterial solution for improved noise and vibration behavior of pipes

A Nateghi, L Sangiuliano, C Claeys, E Deckers… - Journal of Sound and …, 2019 - Elsevier
This paper investigates a metamaterial solution for efficient vibration attenuation and
acoustic radiation reduction of an aluminum pipe. To this end, using unit cell predictions …

Maximizing band gaps of single-phase phononic plates: Isogeometric optimal approach and 3D printing experimental validation

S Yin, Y Li, Z Zou, TQ Bui, J Liu, S Gu… - Applied Mathematical …, 2024 - Elsevier
This work presents an effective isogeometric shape optimization approach for finding and
widening the phononic band gaps of single-phase Mindlin plate structures. As the single …

[PDF][PDF] Dynamic analysis of piezoelectric perforated cantilever bimorph energy harvester via finite element analysis

YA Alessi, I Ali, MA Alazwari, K Almitani… - Advances in Aircraft …, 2023 - researchgate.net
This article presents a numerical analysis to investigate the natural frequencies and
harmonic response of a perforated cantilever beam attached to two layers of piezoelectric …

[PDF][PDF] CONEM2024-1502 FLEXURAL WAVE PROPAGATION ANALYSIS OF A LOCALLY RESONANT BEAM

JS dos Reis Júnior, IR de Souza, S dos Santos Hoefel - researchgate.net
Metamaterials have become a topic of considerable interest in the scientific and engineering
communities in recent decades. Such artificially designed structures offer innovative …

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VF Dal Poggetto - repositorio.unicamp.br
RESUMO O principal objetivo dessa tese é investigar o comportamento da propagação de
ondas em metamateriais periódicos, com foco na comparação entre diferentes opções de …

[PDF][PDF] Application of the wave finite element method to the analysis of locally resonant band gaps in periodic structures with viscoelastic properties

JM Mencik, V Denis, M Caliez… - Proceedings of the 28th …, 2018 - researchgate.net
This paper investigates the wave propagation in one-dimensional periodic structures made
up of cells/substructures with inclusions of viscoelastic materials and heavy materials. Such …