I'm trying to simulate a Biconical antenna in CST, but I having problems. It should be feed usind a coaxial cable thrugh the cones.

Does anyone have some kind of advice for this simulation or any model that have good agreement with measures?

I have tried a subgrid-meshing to get enough mesh between the port and the metallic wall, but simulation takes too long. I'm afraid that more than 250k mesh are too much for my computer. Cones are sustituted with pyramids to get less mesh as well.

The model I'm trying to simulate has been measured and shows the S11 response that I have uploaded. My aim is a CST model with that response for a new design stage.

The model is at

I have duplicated my post, I don't know which is the bet forum to post this doubt

Please excuse any inconvenience, if the post master considers one of the post much be deleted, please let him or her do it

Can somone please helpme?

Thanks in advance Smile