| Issue |
MATEC Web Conf.
Volume 83, 2016
CSNDD 2016 - International Conference on Structural Nonlinear Dynamics and Diagnosis
|
|
|---|---|---|
| Article Number | 05003 | |
| Number of page(s) | 4 | |
| Section | Nonlinear dynamics of flexible structures | |
| DOI | https://doi.org/10.1051/matecconf/20168305003 | |
| Published online | 16 November 2016 | |
Efficient asymptotic basis to reduce the forced dynamic problem of viscoelastic sandwich plates
1 Faculté de Génie Mécanique & Génie des Procédés, USTHB, BP 32, El Alia, 16111 Bab Ezzouar, Alger, Algeria
2 Lab d’Etude des Microstructures et Mécanique des Matériaux, UMR CNRS 7239, Université de Lorraine, Metz, France
3 Lab of Excellence on Design of Alloy Metals for low-mAss Structures ‘DAMAS’, University of Lorraine, Metz, France
4 Institut de Recherche Dupuy de Lôme, FRE CNRS 3744, IRDL, F-56100 Lorient, France
In this paper, an efficient asymptotic basis is proposed to reduce the forced dynamic problem of viscoelastic sandwich plates. The numerical resolution is based on the asymptotic numerical method (ANM) and finite element method (FEM). Numerical tests have been performed in the case of sandwich plates with Young’s modulus variable with respect to the frequency. The comparison of the results obtained in the reduced order model with those given in the full order model shows both a good agreement and a significant reduction in computational cost.
© The Authors, published by EDP Sciences, 2016
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