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A comparative study of displacement and mixed-based corotational finite element formulations for elasto-plastic three-dimensional beam analysis
Structural Engineering Research Group, Université Européenne de Bretagne, Rennes, France.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.ORCID iD: 0000-0003-2104-382X
2011 (English)In: Engineering computations, ISSN 0264-4401, Vol. 28, no 7, 939-982 p.Article in journal (Refereed) Published
Abstract [en]

The purpose of this paper is to present eight local elasto-plastic beam element formulations incorporated into the corotational framework for two-noded three-dimensional beams. These formulations capture the warping torsional effects of open cross-sections and are suitable for the analysis of the nonlinear buckling and post-buckling of thin-walled frames with generic cross-sections. The paper highlights the similarities and discrepancies between the different local element formulations. The primary goal of this study is to compare all the local element formulations in terms of accuracy, efficiency and CPU-running time.

Place, publisher, year, edition, pages
2011. Vol. 28, no 7, 939-982 p.
Keyword [en]
Beams, Bernoulli bending theory, Displacement-based finite element, Elasto-plastic material behavior, Mixed-based finite element, Structural analysis, Three-dimensional corotational formulation, Timoshenko bending theory, Vlassov and Benscoter torsion theories
National Category
Civil Engineering
URN: urn:nbn:se:kth:diva-72444DOI: 10.1108/02644401111165149ISI: 000299459600007ScopusID: 2-s2.0-81855172158OAI: diva2:487597
QC 20120201Available from: 2012-01-31 Created: 2012-01-31 Last updated: 2012-04-02Bibliographically approved

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Hjiaj, MohammedBattini, Jean-Marc
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