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Boundary 'PerfectE1' and boundary 'Rad2' overlap

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dove932

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design.PNG


Hi,

Can some one please help me for this.
I have this design of 2x2 patch antenna array .I made all of this.aaaa.pngaaa.PNG

i assigned ground plane as boundary "perfectE1" and instead of creating a box for radiation i made region of lamda/4 length and assign it as rad.

now i am getting error of Boundary "PerfectE1" and boundary "Rad2" overlap

also even if this is warning.when i go to results,i get blank sheet at S11.please someone guide me

- - - Updated - - -

its urgent.can someone guide me please
 
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In get rid of this warning, you can assign Rad boundary to all surfaces of the air box except for the surface corresponding to the ground plane.
 

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