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Author(s): R. P. Duarte
P. Ribeiro
Title: Time domain analysis of geometrically nonlinear vibrations of composite laminated plates by the hierarchical finite element method
Issue Date: 2004
Abstract: A hierarchical finite element for laminated composite plates is formulated. Theelement is general, in the sense that it applies to symmetric or asymmetric plates.Compared with h-version elements, it has the major advantages of requiring a smallnumber of degrees of freedom for accuracy and of being free from shear locking.The first order shear deformation laminated plate theory is followed, that is thetransverse normals do not remain perpendicular to the mid-surface afterdeformation. The element derived is employed to study the non-linear dynamicbehaviour of some composite laminated plates, in the time domain. The directintegration of the system of equations of motion is carried out by Newmarksmethod. In order to describe the characteristics of the motions computed, time plots,phase planes, Fourier spectra and Poincaré maps are defined.
Subject: Engenharia da vibração, Engenharia mecânica
Vibration engineering, Mechanical engineering
Scientific areas: Ciências da engenharia e tecnologias::Engenharia mecânica
Engineering and technology::Mechanical engineering
Source: Seventh International Conference on Computational Structures Technology
Document Type: Artigo em Livro de Atas de Conferência Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Livro de Atas de Conferência Internacional

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