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Difference between MEF and EMW frequency study
Posted 16.06.2019, 17:16 GMT-4 Low-Frequency Electromagnetics, RF & Microwave Engineering, General 1 Reply
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There are two different physics interfaces Magnetic and Electric fields interface in ACDC module and Electromagnetic Fields, Frequency domain interface in RF module.
As I understood from the manual, both interfaces work without any static assumptions in frequency domain analysis.
MEF interface uses Maxwell-Ampère's law with displacement current included. And using the constitutive relations and equation of continuity it obtains two equations in terms of A and V and solves for these variables.
EMW interface solves for the wave equation.
These two methods seems equivalent to me. Are there any difference between them when used with a frequency domain study?
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There is overlap between the two modules of ac/dc and emw. You can read this for more info as it was written better than I can do here:
https://www.comsol.com/blogs/computational-electromagnetics-modeling-which-module-to-use