A coupled thermo-mechanical multi-phase constitutive model

• Michele Chiumenti ^[1] ; Carlos Agelet de Saracibar ^[1] ; Miguel Cervera ^[1]
  1. [1] Universitat Politècnica de Catalunya

     Universitat Politècnica de Catalunya

     Barcelona, España

     
• Localización: Métodos Numéricos en Ingeniería: [Comunicaciones presentadas al IV Congreso de Métodos Numéricos en Ingeniería celebrado en Sevilla durante los días 7-10 de Junio de 1999] / R. Abascal (ed. lit.), José Domínguez Abascal (ed. lit.) , G. Bugeda (ed. lit.), 1999, ISBN 84-89925-45-3
• Idioma: inglés
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• Resumen

  • This paper presents an up-to-date finite element numerical model for fullycoupled thermo-mechanical problems, focusing in the simulation of industrial solidificationprocesses. The proposed constitutive equations have been identified to model the thermo-mechanical multi-phase behavior of cast iron from liquidus to room temperature. A frac-tional step method arising from an operator split of the governing equations is used tosolve the non-linear coupled system of equations, leading to a staggered product formulasolution algorithm suitable for large scale computations.