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When you assign the incident plane wave, you select the direction of the Eo and Ko vectors. Ko is poynting vector and pick Eo for the polarization that you desire.
From what I have seen CST does not have the ability to change permittivity/permeability with respect to time. You are going to have to make a custom code for that. If would recommend Finite-difference time-domain (FDTD). There is a great section about it here:
**broken link removed**
Go to...
Muhammad - You can make multiple sheets and connect them. You need to make sure that when you connect more than one piece that the outer unit cells remain the same size. You could then get a piece of styrofoam and tape/glue the pieces together. Also, rrumpf gave a great way to test the FSS...
Yes this will work in certain aspects to speed up the simulations, but if you really want to see a difference you would need to get an HPC licences from Ansys.
Cesar
Hello, You can do that by creating a solution setup for each independent frequency. That is not ideal if you have a large amount frequency points. Is there a particular reason that you want to a new mesh for each frequency?
Cesar
Check this out
https://www.google.com/url?sa=t&rct=j&q=te%2011%20convert%20te10&source=web&cd=10&ved=0CEsQFjAJ&url=http%3A%2F%2Fclic-meeting.web.cern.ch%2Fclic-meeting%2F2004%2F08_06sk1.pdf&ei=TgPNUYioC43A9QTxvYHQDw&usg=AFQjCNFhNrPwL9mSbpx2qJs6YLnCM4yLmQ&bvm=bv.48572450,d.eWU
When you add a material you can choose to set a frequency dependency from a predetermine data set. Us your drude model to calcualte all the points then import them in.
You can you the prorogation constant, which is the im(gamma(portNumber:mode)). If you could be more specific as to what you are trying to optimize about the waveguide it would be helpful.
Depends on what you are simulating. Lambda is often the rule of thumb for antennas since they usually do not radiate further than that. If you have prior knowledge to how far the fields radiate you can better estimate how far/close your air box has to be to your device. If you are to close to...
Hello ,
If you look at my group's website there are some notes on FDTD. Within those notes you will find a section on Perfectly Matched Layers (PML). They are quite effective .
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Go under the resources tab.
Cesar
Hello,
If you go to my groups website, **broken link removed**, and go under resources and you will find some lectures notes and codes for FDFD and more.
Cesar
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