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Please use this identifier to cite or link to this item: http://hdl.handle.net/10198/1338

Título: Numerical solution of curved pipes submitted to in-plane loading conditions
Autor: Fonseca, E.M.M.
Melo, F.J.M.Q. de
Palavras-chave: Curved pipe
In-plane loading
Linear analysis
Polynomial function
Issue Date: 2010
Editora: Elsevier
Citação: Fonseca, E.M.M.; Melo, F.J.M.Q. de (2010) - Numerical solution of curved pipes submitted to in-plane loading conditions. Advertisement Thin-Walled Structures. ISSN 0263-8231. 48:2, p.103-109
Resumo: An alternative formulation to current meshes dealing with finite shell elements is presented to solve the problem of stress analysis of curved pipes subjected to in-plane bending forces. The solution is based on finite curved elements, where displacements are defined from a total set of trigonometric functions or a fifth-order polynomial, combined with Fourier series. Global shell displacements are achieved through the one associated with curved arch bending and the other referred to the toroidal thin-walled shell distortion. Beam-type displacement and in-plane rotation are uncoupled and separately formulated, using trigonometric shape functions, as in Timoshenko or Mindlin beam theory. To build up the solution, a simple deformation model was adopted, based on the semi-membrane concept of the doubly curved shells behaviour. Several studies are presented and compared with experimental and numerical analyses reported by other authors.
URI: http://hdl.handle.net/10198/1338
ISSN: 0263-8231
Versão do Editor: http://www.sciencedirect.com/science/journal/02638231
Appears in Collections:DMA - Artigos em Revistas Indexados ao ISI

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