[Moved] how to simulate Varactor diode inside CST-MWS ?

Hello everyone
I try to simulate Varactor diode inside CST-MWS for getting different frequency response.My project is two rectangular FSS with varactor diode between them. My starting point were the attached paper although i follow all their instruction and all their steps but still cant get their result in addition i varied values of capacitor but the responses are same one for all values. I spent one month to find solution but i failed.Can anyone help me and tell me how i can use var actor diode inside CST-MWS. I have attached the related paper and my simulation.
Thank you very much

the best answers would come from CST. Did you read this or contact them?

https://www.cst.com/Applications/Article/232

Thank u for kindly reply
I contact them but they have no solution till now.I have read this but it doesn't solve my problem !

If you are a paid customer, I am sure you would get a better answer. Have you tried any support user forums?

Not yet it seem a good idea i will try i hope i get help
Thank u

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