Two-Phase Approach for Solidification Problems: Modelling the Mushy Zone DeformationReport as inadecuate




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1 CEMEF - Centre de Mise en Forme des Matériaux

Abstract : This paper exposes the development of a two-phase model accounting for mass, momentum and energy transfer, especially dedicated to the analysis of the thermo-mechanical behavior of metallic alloys in the mushy state. Macroscopic balance equations are first derived from local ones by the use of a spatial averaging method. Constitutive equations of both the liquid and the solid phases as well as interfacial exchange terms are then expressed by the mean of phenomenological considerations. Lastly, the resolution strategy is detailed.

Keywords : Two-Phase model mushy state deformation





Author: Steven Le Corre - Michel Bellet - François Bay - Yvan Chastel -

Source: https://hal.archives-ouvertes.fr/



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