Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.
Radiation absorbing materials (RAM) as coating
Posted 17 mar 2021, 01:26 GMT-4 Low-Frequency Electromagnetics, RF & Microwave Engineering Version 5.4 1 Reply
Please login with a confirmed email address before reporting spam
Hello, I have never used comsol before and I would like to make a simulation of materials in the form of coatings that absorb electromagnetic radiation and see how those materials block the radiation as well as the absorption graph and calculate the S-parameters.
I hope someone can help me with some example or guidance for this.
Thank you very much.
Please login with a confirmed email address before reporting spam
You can model those materials just like any other bulk materials in an RF model. The hardest part is that you need to know accurately their characteristic properties (complex epsilon and mu; or equivalent combinations of epsilon, mu, sigma, tan delta,...) at the RF frequencies of interest to you. Accurate information about these kinds of materials may be difficult to find. But, assuming that you can find it, then you are in great shape. Just make sure you use a fine enough mesh within the material, so that your model properly captures the details in the gradients of the fields there.
-------------------Scientific Applications & Research Associates (SARA) Inc.
www.comsol.com/partners-consultants/certified-consultants/sara