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

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
ENG
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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