Numerical implementation of a thermo-elastic-plastic constitutive equation in consideration of transformation plasticity in welding

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Finite element analysis of welding processes, which entail phase evolution, heat transfer and deformations, is considered in this paper. Attention focuses on numerical implementation of the thermo-elastic-plastic constitutive equation proposed by Leblond et al. [J. Mech. Phys. Solids 34(4) (1986a) 395; J. Mech. Phys. Solids 34(4) (1986b) 411] in consideration of the transformation plasticity. Based upon the multiplicative decomposition of deformation gradient, hyperelastoplastic formulation is borrowed for efficient numerical implementation, and the algorithmic consistent moduli for elastic-plastic deformations including transformation plasticity are obtained in the closed form. The convergence behavior of the present implementation is demonstrated via a couple of numerical examples. (c) 2004 Published by Elsevier Ltd.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2005
Language
English
Article Type
Article
Keywords

PHASE-TRANSFORMATIONS; MULTIPLICATIVE DECOMPOSITION; FINITE STRAINS; DEFORMATION; STEELS; THERMOPLASTICITY; FORMULATION; DISSIPATION; FRAMEWORK; BEHAVIOR

Citation

INTERNATIONAL JOURNAL OF PLASTICITY, v.21, no.7, pp.1383 - 1408

ISSN
0749-6419
DOI
10.1016/j.ijplas.2004.06.007
URI
http://hdl.handle.net/10203/1817
Appears in Collection
ME-Journal Papers(저널논문)
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