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HFSS Port Refinement, process hf3d error. Too few conductors were found on port.How to solve it?

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I am new to simulating with HFSS and I am using the Ansys Electronics Desktop 2019 R1 version.
I have as a final project to simulate (and fabricate) a rectangular array of a 2x1 patch antenna. As far as I have seen I am following the correct steps for the simulation but I keep getting the following error.
[error] Port refinement, process hf3d error: Too few conductors were found on port 1. There should be one conductor for each terminal, with one additional reference conductor. Unintentional contact between conductors may cause this error.

I have read in a couple of forums that it is a problem with the port reference assignment but the explanations are not clear enough on how to solve it.
I will attach the project.
 

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  • ProyectoFinalPrueba3.zip
    36.7 KB · Views: 124

Check that your port has several metal connections, usually a ground and a terminal line, and then check whether the airbox coincides with the port or whether the airbox has boundary conditions. Or you can see if the model solves in Driven Model.
 

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