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Geometrically nonlinear static and dynamic analysis of composite laminates shells with a triangular finite element

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Geometrically nonlinear static and dynamic analysis of composite laminates shells with a triangular finite element

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Título Geometrically nonlinear static and dynamic analysis of composite laminates shells with a triangular finite element
Autor Isoldi, Liércio André
Awruch, Armando Miguel
Teixeira, Paulo Roberto de Freitas
Morsch, Inacio Benvegnu
Abstract Geometrically nonlinear static and dynamic behaviour of laminate composite shells are analyzed in this work using the Finite Element Method (FEM). Triangular elements with three nodes and six degrees of freedom per node (three displacement and three rotation components) are used. For static analysis the nonlinear equilibrium equations are solved using the Generalized Displacement Control Method (GDCM) while the dynamic solution is performed using the classical Newmark Method with an Updated Lagrangean Formulation (ULF). The system of equations is solved using the Gradient Cojugate Method (GCM) and in nonlinear cases with finite rotations and displacements an iterativeincremental scheme is employed. Numerical examples are presented and compared with results obtained by other authors with different kind of elements and different schemes.
Contido em Journal of the Brazilian Society of Mechanical Sciences and Engineering. Rio de Janeiro, RJ. Vol. 30, no. 1 (Jan./Mar. 2008), p. 84-93
Assunto Elementos finitos
Estruturas em casca
Materiais compositos
[en] Geometrically nonlinear analysis,
[en] Laminate composite
[en] Static and dynamic analysis of shells
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/75799
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