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Dear Ivar

My name is Konstantinos Karalis and I am a PhD student at the National Technical University of Athens.

I am trying to solve the operation of an electric arc furnace combining the AC/DC, Heat Transfer and Fluid Flow physics.

I am solving the AC/DC coupled with the heat transfer module in steady state analysis providing me the profile of the melt, the temperature distribution and electrical potential field. After that I want to calculate the buoyancy driven velocities using the phase field or the level set method. Unfortunately, I haven't achieve to calculate these velocities in steady state mode so I am using the steady state solution of the heat transfer model and I am performing a transient analysis. Unfortunately the velocities that I am obtaining have a big variance with the time (sove there isn't a "steady state" solution) which is very strange because the temperature distribution doesn't change.

For this reason I think that in my procedure a have some mistakes. I would be grateful if you could help me.

Thank you in advance.

Yours sincerely
Konstantinos Karalis

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