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Enhanced rotation-free basic shell triangle: applications to sheet metal forming

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10.1007/978-1-4020-6577-4_14
 
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hdl:2117/109048

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Oñate Ibáñez de Navarra, EugenioMés informacióMés informacióMés informació
Flores, Fernando G
Neamtu, L.
Document typeConference report
Defense date2005
PublisherSpringer
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
An enhanced rotation-free three node triangular shell element (termed EBST) is presented. The element formulation is based on a quadratic interpolation of the geometry in terms of the six nodes of a patch of four triangles associated to each triangular element. This allows to compute an assumed constant curvature field and an assumed linear membrane strain field which improves the in-plane behaviour of the element. A simple and economic version of the element using a single integration point is presented. The implementation of the element into an explicit dynamic scheme is described. The efficiency and accuracy of the EBST element and the explicit dynamic scheme are demonstrated in many examples of application including the analysis of a cylindrical panel under impulse loading and sheet metal stamping problems.
CitationOñate, E., Flores, F., Neamtu, L. Enhanced rotation-free basic shell triangle: applications to sheet metal forming. A: International Conference on Computational Plasticity. "Computational plasticity". Barcelona: Springer, 2005, p. 239-265. 
URIhttp://hdl.handle.net/2117/109048
DOI10.1007/978-1-4020-6577-4_14
ISBN978-1-4020-6576-7
Publisher versionhttps://link.springer.com/chapter/10.1007/978-1-4020-6577-4_14
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  • Departament d'Enginyeria Civil i Ambiental - Ponències/Comunicacions de congressos [1.135]
  • GMNE - Grup de Mètodes Numèrics en Enginyeria - Ponències/Comunicacions de congressos [76]
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