Complex modes based numerical analysis of viscoelastic sandwich plates vibrations

M Bilasse, L Azrar, EM Daya - Computers & Structures, 2011 - Elsevier
In this paper, a numerical method for linear and nonlinear vibrations analysis of viscoelastic
sandwich beams and plates is developed with finite element based solution. This method …

Computational Modelling and Analysis of Effect of Viscoelastic Materials on Damping and Vibrational Behaviors of Composite Structures—An Extensive Review

YH Elmoghazy, B Safaei, M Asmael, S Sahmani… - … Methods in Engineering, 2024 - Springer
This article reported an extensive review of computational modelling and analysis on
damping and vibrational behaviors of viscoelastic structures, including experimental …

A finite element approach for the static and vibration analyses of functionally graded material viscoelastic sandwich beams with nonlinear material behavior

K Koutoati, F Mohri, E Carrera - Composite Structures, 2021 - Elsevier
A beam finite element model is proposed for the static and free vibration analyses of FGM
sandwich beams with viscoelastic nonlinear material behavior. In the analysis, zigzag theory …

Linear and nonlinear vibrations analysis of viscoelastic sandwich beams

M Bilasse, EM Daya, L Azrar - Journal of Sound and vibration, 2010 - Elsevier
In this paper, numerical models are proposed for linear and nonlinear vibrations analyses of
viscoelastic sandwich beams with various viscoelastic frequency dependent laws using the …

Finite element analysis for dynamic response of viscoelastic sandwiched structures integrated with aluminum sheets

YH Elmoghazy, B Safaei… - Facta Universitatis …, 2023 - casopisi.junis.ni.ac.rs
Passive vibration attenuation of modern mechanical structures is one of the most essential
technologies applied to the arsenal of modern mechanical structures. In this work, dynamics …

A generic approach for the solution of nonlinear residual equations. Part II: Homotopy and complex nonlinear eigenvalue method

M Bilasse, I Charpentier, Y Koutsawa - Computer Methods in Applied …, 2009 - Elsevier
Solutions of nonlinear smooth PDE problems may be approximated as higher order
truncated Taylor series using the Asymptotic Numerical Method (ANM). The Diamant …

An identification method for frequency dependent material properties of viscoelastic sandwich structures

KS Ledi, M Hamdaoui, G Robin, EM Daya - Journal of Sound and Vibration, 2018 - Elsevier
In this paper, an inverse identification method of the viscoelastic material properties (shear
modulus G 0 and loss factor η C) of a symmetric three layered viscoelastic sandwich beam is …

[HTML][HTML] Instabilities in thin films on hyperelastic substrates by 3D finite elements

F Xu, Y Koutsawa, M Potier-Ferry… - International Journal of …, 2015 - Elsevier
Spatial pattern formation in thin films on rubberlike compliant substrates is investigated
based on a fully nonlinear 3D finite element model, associating nonlinear shell formulation …

Sensitivity analysis of the damping properties of viscoelastic composite structures according to the layers thicknesses

K Akoussan, H Boudaoud, Y Koutsawa, E Carrera - Composite Structures, 2016 - Elsevier
Damping properties of viscoelastic composite structures are related to the thicknesses of
their layers. To design these structures, there is a need to know their damping properties …

Damping properties of bi-dimensional sandwich structures with multi-layered frequency-dependent visco-elastic cores

A Adessina, M Hamdaoui, C Xu - Composite Structures, 2016 - Elsevier
The aim of this paper is to present a finite element model based on first order shear theory
(zig-zag approach) to compute the damping characteristics of sandwich structures with multi …