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Finite element simulations of the swift effect
Duchene, Laurent; El Houdaigui, Fouad; Habraken, Anne
2005In Bariani, P. F. (Ed.) Proceedings of the ICTP 2005 International Conference on Technology of Plasticity
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Keywords :
Swift effect; free-end torsion; Taylor’s model; texture; LIMARC
Abstract :
[en] Numerical simulations of the experimental free-end torsion tests [1] of copper cylindrical bars were analysed in the present paper. The self-made Finite Element (FE) code Lagamine with polycrystal plasticity models computed numerical prediction of the Swift effect, i.e. the lengthening of the cylinder during the torsion. The used constitutive law was coupled with two plastic crystal models, taking or not into account strain rate effect. Results such as axial strain and predicted textures were analysed. The ones obtained for shear strains lower than 1.0 were in good agreement with experiments; while, for shear strains larger than 1.0, the FE results were currently unfair. A research about remeshing is in progress to improve the accuracy of the results for large shear strains.
Disciplines :
Civil engineering
Author, co-author :
Duchene, Laurent  ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
El Houdaigui, Fouad
Habraken, Anne  ;  Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Language :
English
Title :
Finite element simulations of the swift effect
Publication date :
2005
Event name :
ICTP 2005 International Conference on Technology of Plasticity
Event place :
Vérone, Italy
Event date :
du 9 au 13 octobre 2005
Audience :
International
Main work title :
Proceedings of the ICTP 2005 International Conference on Technology of Plasticity
Editor :
Bariani, P. F.
Peer reviewed :
Peer reviewed
Available on ORBi :
since 31 August 2009

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