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Vivaldi antenna simulation using HFSS v9.2

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big_bigelephant

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vivaldi antenna hfss

i am doing the vivaldi antenna for 8-12 GHz. and i use RF-35 substrate material which dielectric constant is 3.5. After i designed all the parameters, i don't konw how to simulate it. Does anyone can help me to solve this problem please?? AS it is very urgent!!!!! PLEASE HELP!!!!
 

vivaldi antenna

Hi, you should take a look at the hfss tutorials/manuals that are included in your installation or that have been posted on this forum. You can also look at the patch antenna tutorial posted at https://www.emtalk.com , the HFSS simualtion file of can be downloaded and you can see how they setup the problem which should be similar to yours...are you using a microstrip feed?
 
hfss tutorial vivaldi

yes i am using the microstrip feed....
I have read the tutorial already, and i set up all the setting which i follow the steps from the tutorial. However i got the error message "unable to recover all the surface triangle" I really don't know why!!!! PLEASE HELP!!! THANKS A LOT!!!
 

hfss vivaldi antenna

Not sure about this error. You can ask the author of that tutorial
 

vivaldi antenna tutorial

Most likely you make a mistake, but who knows?
The best you can do is check wherever you have
a union/intersection/etc of bodies. Redo that or try
to do the exercise without the intersection. sometimes
works.
 

tutorial vivaldi antenna

Did you resolve the problem? If you download your .hfss file I could take a look!
 

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