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Title: Analytical and finite element modelling of the elastic–plastic behaviour of metallic strands under axial–torsional loads
Authors: Foti, Francesco
de Luca di Roseto, Alessandro
Keywords: Strands
Axial–torsional loads
Elastic–plastic behaviour
Finite element method
Curved thin rod theory
Issue Date: 2016
Publisher: © Elsevier
Citation: FOTI, F. and DE LUCA DI ROSETO, A., 2016. Analytical and finite element modelling of the elastic–plastic behaviour of metallic strands under axial–torsional loads. International Journal of Mechanical Sciences, 115-6, pp. 202-214.
Abstract: In this work a new formulation for modelling the elastic–plastic behaviour of metallic strands subjected to axial–torsional loads is presented. Simple and accurate cross sectional constitutive equations a rederived, fully accounting for the evolution of plastic deformations in the wires, starting from a description of the internal structure of the strand. The proposed approach is suitable both for straightforward analytical calculations as well as for implementation into finite elements for the large-scale structural analyses of cable structures. A full three-dimensional(3D) finite element(FE) model, based on a parametric description of the strand internal geometry, is also developed. The results of both the FE model and the analytical formulation are validated with reference to a well-documented physical testing campaign and a well-established linearly elastic literature model. Additional analyses are then performed to carefully assess the validity of the proposed mechanical formulation, for a wide range of strand construction parameters, by means of systematic comparisons against the results of the 3DFE modeland of a recent linearly elastic literature model.
Description: This paper was accepted for publication in the journal International Journal of Mechanical Sciences and the definitive published version is available at https://doi.org/10.1016/j.ijmecsci.2016.06.016
Version: Accepted for publication
DOI: 10.1016/j.ijmecsci.2016.06.016
URI: https://dspace.lboro.ac.uk/2134/25944
Publisher Link: https://doi.org/10.1016/j.ijmecsci.2016.06.016
ISSN: 0020-7403
Appears in Collections:Published Articles (Architecture, Building and Civil Engineering)

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