problem simulating substrate integrated waveguide in HFSS

[afz23]

I am trying to simulate a SIWG structure (please refer to the attached JPEG file) in hfss.
But I am getting an error " groundplane and substrate intersecting",attached hfss file
for your reference.

Please help in removing this error.

I want to know,how the excitation ports are to be defined for this structure?

 

[PlanarMetamaterials]

Your substrate overlaps the ground plane. You can remove this error by subtracting the ground from the dielectric - don't forget to make a copy of the ground plane, though.

 

[afz23]

Thanks for pointing out the reason for error.

I could make these correction and simulate the structure.
I have attached the structure and response plot of the SIWG.
I am also attaching the hfss file,for the members interesting in this topic.

As expected the SIWG structure responded as a rectangular waveguide,with
a high pass filter like response.

Please let me know your contact id,if you are also doing research in SIWG based components,

I wish to know ,if there is any forum which have members working in the area of SIWG based
designs.