Hello all, I want to model the melting of a metal with Marangoni forces acting. I have specified the surface tension gradient. But I cannot find an option to specify surface tension at the melting point. How to include this?
Can the variation be correctly captured just with the gradient and without a specified value at a point?
Hi Nazar,
your boundary condition should only work above the melting temperature. It depends how you want to model the melting of the metal. If you use a liquid fraction function, you can just multiply the boundary condition by it and it will automatically work.
For the boundary condition to work there is no need for the surface tension at melting temperature to be known, see attached file.
I hope this helps!
Best regards,
Antoni Artinov
Hi Nazar,
your boundary condition should only work above the melting temperature. It depends how you want to model the melting of the metal. If you use a liquid fraction function, you can just multiply the boundary condition by it and it will automatically work.
For the boundary condition to work there is no need for the surface tension at melting temperature to be known!
Best regards,
Antoni Artinov
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