Time domain analysis of geometrically nonlinear vibrations of composite laminated plates by the hierarchical finite element method

• Tipo: Artigo em Livro de Atas de Conferência Internacional
• Data: 2004

Autores

R. P. Duarte (Autor) FEUP; P. Ribeiro (Autor) FEUP

Ata de Conferência Internacional

Título: Seventh International Conference on Computational Structures Technology

Páginas: 1-19

Seventh International Conference on Computational Structures Technology

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia mecânica

CORDIS: Ciências Tecnológicas > Engenharia > Engenharia mecânica > Engenharia da vibração

Outras Informações

Abstract (EN): A hierarchical finite element for laminated composite plates is formulated. The element 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 small number 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 the transverse normals do not remain perpendicular to the mid-surface after deformation. The element derived is employed to study the non-linear dynamic behaviour of some composite laminated plates, in the time domain. The direct integration of the system of equations of motion is carried out by Newmark¿s method. In order to describe the characteristics of the motions computed, time plots, phase planes, Fourier spectra and Poincaré maps are defined.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 19