Help about s-parameter of rectangular coupler

How to use openEMS. Discussion on examples, tutorials etc

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mavithaki
Posts: 3
Joined: Fri 03 Aug 2018, 01:46

Help about s-parameter of rectangular coupler

Post by mavithaki » Thu 30 Aug 2018, 16:46

Hello,

I am trying to calculate s-parameters for imported structures and i want to compare simulation between openEMS with another software.Firstly,I used the rectangular waveguide tutorial from openEMS ,i imported stl file same dimensions in the openems and successfully got similar simulation result from both softwares.
However, when I changed the structure , I could not get similar result, especially the S11.
Could anybody help me?
Attached is the openEMS code and stl files.
Thank you.
Attachments
s11ands21.jpg
s11ands21.jpg (48.74 KiB) Viewed 2888 times
model2.png
model2.png (67.87 KiB) Viewed 2888 times
rect.rar
matlab files
(303.5 KiB) Downloaded 136 times

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