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Manual modification of the RF Module equation

Posted 28 mar 2020, 20:49 GMT-4 Version 5.2a 2 Replies

Israel Alves Oliveira
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Good night:

Is there any way to modify the Electric displacement model manually? I am using the RF Module to analyze periodic structures, however, according to the literature, the relative permissiveness is obtained through the equation εr = (n - ik) ² + 2nik, the latter term not appearing in COMSOL and I would like to insert.

2 Replies Last Post 29 mar 2020, 17:52 GMT-4
Dave Greve
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Posted: 5 years ago 29 mar 2020, 14:17 GMT-4

I'm not sure I understand the question. You can insert a complex relative permittivity for any material.

I'm not sure I understand the question. You can insert a complex relative permittivity for any material.
Israel Alves Oliveira
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Posted: 5 years ago 29 mar 2020, 17:52 GMT-4

I managed to understand. In fact, I had a doubt because the other term didn't appear. In fact, it is already inserted, I made the mistake. Thank you, Dave.

I managed to understand. In fact, I had a doubt because the other term didn't appear. In fact, it is already inserted, I made the mistake. Thank you, Dave.

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