Regarding enthalpy method based solid-liquid phase change

[Shyam Sunder Yadav]

Dear All

I am trying to develop a solver for solid-liquid phase change based on the enthalpy method. The liquid fraction and the temperature are updated iteratively in this method.

The temperature (and hence liquid fraction) is not behaving properly.

I am stuck at this point. Can somebody having experience with the method please try the case and let me know the issue??

The case is attached with this email. It is supposed to simulate melting of gallium inside a rectangular cavity.

Thanks and Regards

--

Dr. Shyam Sunder Yadav
Associate Professor
Mechanical Engineering
BITS Pilani
09902346342
http://www.bits-pilani.ac.in/pilani/ssyadav/Profile

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[Shyam Sunder Yadav]

Dear All

Attached is the explicit version of the algorithm.

Same issue...latent heat term causing trouble in temperature...

Please check.