A question regarding choosing the proper physics

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Hi, everyone,

I have a question. In my case study (electrical engineering). I have a rectangular steel box and one of the corners of it is connected to the grounding of the system. Also, I have a few sensors which can be connected to the outer surface of the box and there is a discharge inside of the box (in the middle). I want to see the electromagnetic waves resulting from the discharge and how they can be received by each sensor. As I noted, the grounding point is critical to our work.

Based on my knowledge I must use RF, transient module for my project but the only issue is defining an exact boundary condition to the ground since this module doesn't provide a feature for that. Is there any way to fix this issue? Or is it possible to connect this module to the electrical circuit model? If yes, what feature can be used?


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