MHD module - How to link magnetic and electrical fields
Hello everyone,
I am trying to simulate an arc plasma welding process on Fluent with the implemented MHD module. I already read the MHD tutorial. In models>MHD model I have the choice between Magnetic induction and electric potential to solve current density, but by choosing one method or another I have the feeling that magnetic flux and electric flux are not linked. Is that feeling true or just a bad understanding from me? Is there a way to link them without any additional UDF? I am using a 2D axisymetric model on 2019R3 version. Moreover I know that in "Comsol multiphysics" there is an imaginary variable named "gauge fixing for A-field" to enable axisymetric simulation. Do you know if there is something similar in Fluent ? I'll finish by dealing with the electric potential block from Fluent. I had the idea to active this block from models>Electric potential in addition with the MHD module with magnetic induction to resolve both field. I thought that I could linked both with UDF, do you think that this is compatible ? I hope that I was clear, thank you in advance for your answers. Pierre. |
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