Abstract
The twin-roll casting process is simulated by a general thermomechanical model by using a versatile finite element method. The multidomain method is employed to deal with the solid and liquid phases separately. This includes treating the liquid phase as an Newtonian fluid and the solid phase as a viscoplastic metal. Furthermore, a friction model is proposed to analyze the rolling effect of the completely solidified metal. From the results of this study, the implementation of the friction model can produce a reasonable flow field of the solidified metal. In addition, the non-slip condition severely restricts the motion of the solidified metal and introduces inaccuracy on the temperature, velocity and stress fields as compared to the current approach.
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