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tanx but I think you didnt understand my question ! firstly in eigenmode solution type we are not allowed to use excitations secondly i have drawn a rectangular waveguide with these dimensions 2.286 cm & 1.016 cm . I want to know exact cutoff frequencies :-( first cutoff frequency is about 6.5...
I drew a simple waveguide in HFSS and i analyzed it by eigenmode solution method ! but the resonant frequencies which I see in data table for different modes doesn't match with theory ! what should i do?:cry:
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