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Title: Numerical solution of curved pipes submitted to in-plane loading conditions
Authors: Fonseca, E.M.M.
Melo, F.J.M.Q. de
Keywords: Curved pipe
In-plane loading
Linear analysis
Polynomial function
Issue Date: 2010
Publisher: Elsevier
Citation: 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
Abstract: 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.
ISSN: 0263-8231
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Appears in Collections:DMA - Artigos em Revistas Indexados ao ISI/Scopus

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