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error in hfss 14 modeling Canteena

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abeer-18

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Hi,

I am modelling a centenna with a spesific parameters, I have check the validation n every thing is ok but when I have chosen analys all I got the errors below:
IEDesign1
[warning] IEDesign1: Solutions have been invalidated. Undo to recover.
[warning] No valid reference is assigned to port 1. Solution may be inaccurate.
*Global - Messages
[info] License 'hfss_desktop 2013.0630' checked out from server 'ATLAS.JB.MAN.AC.UK' expires in 2 days.
cantenna hfss-backup2
IEDesign1
[warning] IEDesign1: Solutions have been invalidated. Undo to recover.
[warning] No valid reference is assigned to port 1. Solution may be inaccurate.



the kind of excitation I have chosen is lumped port as I have got a wire inside the cantenna is that right ?

I wanna get the radiation pattern n the return loss but the return loos seems to be so wrong !!!

help me please
 

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