problem in S11 plot in CST

Hello,

I'm designing a monopole antenna in CST using SMA connector for feeding. The problem is with the results at 2 GHz, I've tried many settings but I'm getting the same results, any suggestion would be helpful!

Thanks

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Oh, now that's interesting! How did you do that? :)
Post your project file or at least a picture of your structure and we'll see if anything is obviously astray...

Here I attached my structure picture.

Did you used adaptive meshing? I think you should first increase your meshing. Try and post your results and give some information about your setup.

I'm designing a monopole using textile material and I've tried increasing the mesh size and using adaptive meshing, but still I'm getting the same results!

Can you show your drawing? Is adaptive meshing stopped by maximum number of iterations or is the desired accuracy reached?

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