Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 1383-1408 |
| Number of pages | 26 |
| Journal | International journal of plasticity |
| Volume | 21 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 2005 |
Keywords
- FEM
- Hyperelastic-based plasticity model
- Transformation plasticity
- Welding
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