Comparative study of sound transmission losses of sandwich composite double panel walls

CW Isaac, M Pawelczyk, S Wrona - Applied Sciences, 2020 - mdpi.com
The increasing motivation behind the recently wide industrial applications of sandwich and
composite double panel structures stems from their ability to absorb sounds more effectively …

Singular boundary method for wave propagation analysis in periodic structures

Z Fu, W Chen, P Wen, C Zhang - Journal of Sound and Vibration, 2018 - Elsevier
A strong-form boundary collocation method, the singular boundary method (SBM), is
developed in this paper for the wave propagation analysis at low and moderate …

[HTML][HTML] Control the structure to optimize the performance of sound absorption of acoustic metamaterial: A review

Y Du, W Wu, W Chen, Y Lin, Q Chi - AIP Advances, 2021 - pubs.aip.org
Acoustic metamaterials achieve the function of absorbing sound through equivalent
negative parameters and bandgaps. Sound absorption is closely related to structural design …

[HTML][HTML] Multi-scale wave propagation modelling for two-dimensional periodic textile composites

V Thierry, L Brown, D Chronopoulos - Composites Part B: Engineering, 2018 - Elsevier
In this article, a method allowing vibro-acoustic and ultrasonic wave propagation analysis of
highly anisotropic textile composites at a mesoscopic level is presented for the first time. The …

[HTML][HTML] A reduced Bloch operator finite element method for fast calculation of elastic complex band structures

A Palermo, A Marzani - International Journal of Solids and Structures, 2020 - Elsevier
This article presents an efficient reduced formulation of the Bloch Operator Finite Element
method to calculate complex band structures of periodic waveguides. The use of a Bloch …

A multi-scale model-order reduction strategy for vibration analysis of coupled structures with local inhomogeneities

H Luo, X Zhang, K Cui, K Chen - Computers & Structures, 2024 - Elsevier
Although the wave finite-element method (WFEM) is an efficient numerical technique to
analyze wave propagation characteristics and forced response of waveguides at medium …

The modelling of the flow-induced vibrations of periodic flat and axial-symmetric structures with a wave-based method

F Errico, M Ichchou, S De Rosa, O Bareille… - Journal of Sound and …, 2018 - Elsevier
The stochastic response of periodic flat and axial-symmetric structures, subjected to random
and spatially-correlated loads, is here analysed through an approach based on the …

[HTML][HTML] A Bloch wave reduction scheme for ultrafast band diagram and dynamic response computation in periodic structures

RF Boukadia, C Droz, MN Ichchou… - Finite Elements in Analysis …, 2018 - Elsevier
A variety of Reduced-Order Modelling (ROM) techniques have been developed for the
Wave/Finite Element (WFE) Framework. However most of these techniques are not …

Vibro-acoustic optimisation of sandwich panels using the wave/finite element method

C Droz, Z Zergoune, R Boukadia, O Bareille… - Composite …, 2016 - Elsevier
This paper investigates the use of a wave-based method in the framework of structural
optimisation of composite panels involving advanced components. The wave/finite element …

Schemes for the sound transmission of flat, curved and axisymmetric structures excited by aerodynamic and acoustic sources

F Errico, M Ichchou, F Franco, S De Rosa… - Journal of Sound and …, 2019 - Elsevier
The paper describes a methodology for computing the sound transmission loss of any flat,
curved and cylindrical, homogeneous and periodic structure, under any type of acoustic …