hello...
I want to create an altron substrate ... I only have its relative permittivity . So my question is how to create it and apply it to the considered element.
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Hello,
you can create a new material in the Construction Tab under Media -> Dielectric Medium (if it is a dielectric) or Metallic Medium (it it is a metal). You need the epsr and the tand to define a dielectric medium.
Then you can apply the material to the region under the Details tab and right-click:
You can find a simple example of a patch antenna showing this in the Gettingstarted.pdf (example 3) in the Feko documentation.
You can also apply dielectrics to faces using the same procedure.
thank you