Enhanced rotation-free basic shell triangle for sheet stamping problems

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/108033

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.contributor	Universitat Politècnica de Catalunya. GMNE - Grup de Mètodes Numèrics en Enginyeria
dc.contributor	Universitat Politècnica de Catalunya. LITEM - Laboratori per a la Innovació Tecnològica d'Estructures i Materials
dc.contributor.author	Oñate Ibáñez de Navarra, Eugenio
dc.contributor.author	Flores, Fernando G
dc.contributor.author	Neamtu, L.
dc.contributor.author	Weiler, R.
dc.contributor.author	Rojek, Jerzy
dc.contributor.author	Zárate Araiza, José Francisco
dc.date	2004
dc.identifier.citation	Oñate, E., Flores, F., Neamtu, L., Weiler, R., Rojek, J., Zarate, J. Enhanced rotation-free basic shell triangle for sheet stamping problems. A: International Conference on Numerical Methods in Industrial Forming Processes. "Materials processing and design: modeling, simulation and applications: NUMIFORM 2004: proceedings of the 8th International Conference on Numerical Methods in Industrial Forming Processes, Columbus, Ohio, 13-17 June 2004". Columbus, Ohio: 2004, p. 2222-2227.
dc.identifier.citation	10.1063/1.1766865
dc.identifier.uri	http://hdl.handle.net/2117/108033
dc.language.iso	eng
dc.relation	http://aip.scitation.org/doi/abs/10.1063/1.1766865
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures
dc.subject	Shells (Engineering)--Mathematical models
dc.subject	Làmines (Enginyeria) -- Models matemàtics
dc.title	Enhanced rotation-free basic shell triangle for sheet stamping problems
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	An enhanced version of the rotation-free three node triangular BST shell element for sheet stamping analysis is presented. The original BST element is based on an assumed constant curvature field expressed in terms of the nodal deflections of a patch of four elements and a constant membrane field. An enhanced element is obtained by using a quadratic interpolation of the geometry in terms of the six patch nodes. This allows to compute a linear membrane strain field which improves the in-plane behaviour. An economic version of the element using a single integration point is presented. The efficiency of the new rotation-free shell triangle is demonstrated in the analysis of sheet stamping problems.

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