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Vibration Modeling of Multilayer Composite Structures with Viscoelastic Layers |
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| Authors: | K Akoussan H Boudaoud El-Mostafa Daya E Carrera |
| Affiliation: | 1. Laboratoire d’Etude des Microstructures et de Mécanique des Matériaux (LEM3), Université de Lorraine, Metz, FranceKomlan.akoussan@univ-lorraine.fr;3. Equipe de Recherche des Processus Innovatifs (ERPI), Université de Lorraine, Nancy, France;4. Laboratoire d’Etude des Microstructures et de Mécanique des Matériaux (LEM3), Université de Lorraine, Metz, France;5. Laboratory of Excellence on Design of Alloy Metals for Low-Mass Structures (‘DAMAS’), Metz, France;6. Department of Aeronautics and Aerospace Engineering, Politecnico di Torino, Torino, Italy |
| Abstract: | This work deals with the vibration of orthotropic multilayer sandwich structures with viscoelastic core. A finite element model is derived from a classical zigzag model with shear deformation in the viscoelastic layer. The aim of the present work is to establish numerical models and develop numerical tools to design multilayer composites structures with high damping properties. To fulfill this purpose, a finite element model has been developed for vibration analysis of a sandwich plate (elastic orthotropic)/(viscoelastic orthotropic)/(elastic orthotropic). A numerical study from the variation of the damping properties of the structures was performed according to the faces materials fibers orientation. |
| Keywords: | vibration sandwich orthotropic viscoelastic plate asymptotic numerical method |
