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Communication Dans Un Congrès Année : 1998

3D numerical simulation of thermo-elasto-visco-plastic behaviour using stabilized mixte FE. formulation: Application to heat treatment

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Résumé

This paper deals with the use of mixte 3D F.E. to simulate heat treatment processes. A complete thermo-elasto-visco-plastic THEVP constitutive equation is chosen to cover a large domain of deformation (Colonna et al.), from purely viscoplastic at high temperature to elastic at the end of the heat treatment process, with non linear kinematic/isotropic hardening laws. A 3D mixte finite element (velocity/pressure) is used with the same interpolation for mechanical and thermal discretisation. This formulation is based on the mini-element formulation for linear and non linear cases, with stabilized element in order to satisfy the compatibility conditions (Arnold et al.).
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hal-00573681 , version 1 (04-03-2011)

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  • HAL Id : hal-00573681 , version 1

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Charles Aliaga, Elisabeth Massoni. 3D numerical simulation of thermo-elasto-visco-plastic behaviour using stabilized mixte FE. formulation: Application to heat treatment. 6th International Conference on Numerical Methods in Industrial Forming Processes (NUMIFORM 98), Jun 1998, Enschede, Netherlands. pp.Pages 263-269. ⟨hal-00573681⟩
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