Numerical Modelling of Pure Metal Solidification using OpenFOAM
Résumé
In this article, the isothermal phase change of pure metal is studied by using an opensource CFD tool. The single-domain mass, momentum and energy conservation equations are implemented in OpenFOAM to study the solidifica-tion behavior of the pure metal. The Darcy drag source term was used in momentum conservation equation for accounting the fluid flow in mushy region and enthalpy-porosity method was used to update the liquid fraction in each cell. The developed solver is well validated with the existing experimental results. The validated solver is used to simulate the isothermal phase change behavior of the pure tin (Sn). The results are presented for the evolution of flow field, temperature field and the solid/liquid interface. Results showed that the numerical simulation predictions are in good agreement with experimental measurements.
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