Article (Scientific journals)
Rotation of axes for anisotropic metal in FEM simulations
Duchene, Laurent; Lelotte, Thomas; Flores, Paulo et al.
2008In International Journal of Plasticity, (24), p. 397–427
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Keywords :
Anisotropic material; Constitutive behaviour; Crystal plasticity; Finite strain; Finite elements; LIMARC
Abstract :
[en] For the FE simulations relying on elasto-plastic models based on anisotropic yield locus description, it is important for the simulation accuracy to follow a Cartesian reference frame, where the yield locus is expressed. The classical formulations like the Hill 1948 model keep a constant shape of the yield locus when other texture based yield loci regularly update their shape. However in all these cases, the rotation of the Cartesian reference frame must be known. For simple shear tests performed on steel sheets, experimental displacements provide the actual updated position of initial orthogonal grids. The initial and final texture measurements give information on the average crystals rotation. For Hill constitutive law and texture based models, this paper compares the experimental results with different ways to follow the Cartesian reference frame: the co-rotational method, an original method based on the constant symmetric local velocity gradient and the Mandel spin computed by four different methods.
Disciplines :
Materials science & engineering
Author, co-author :
Duchene, Laurent  ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
Lelotte, Thomas
Flores, Paulo
Bouvier, Salima
Habraken, Anne  ;  Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Language :
English
Title :
Rotation of axes for anisotropic metal in FEM simulations
Publication date :
2008
Journal title :
International Journal of Plasticity
ISSN :
0749-6419
Publisher :
Elsevier Science B.V., Amsterdam, Netherlands
Issue :
24
Pages :
397–427
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 08 April 2009

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