Problem with monopole

[teodora301186]

Hello.
I'm new in HFSS and i don't know how to make my antenna.
I have some problems about how to choose the type of port. I don't know the differences between lumped port and wave port. And i've tried with lumped port and i've received an error message " at least one material should have solve inside set" and i don't know what to do.
Pls help!

 

[elchiquito]

post your file here

Regards
Elchiquito

 

[teodora301186]

View attachment Test1.rar

post your file here

Regards
Elchiquito

This is my test. Maybe i've made something else wrong, but i don't understand the problem

 

[elchiquito]

Dear friend

I have looked into your file, there are many things that need to be reconsidered here.

1. material assignment: everything in the design is assigned copper, even the radiation box
2. port assignment: port is not assigned properly, you have assigned the port as a circle to the monopole's end while there is no contact to the ground plane.
3. monople dimensions: calculate the dimension of your monopole once again.

Fix these issues and you will be able to simulate the structure. Monopole's are one of the basic forms of antenna which doesn't need much analysis and easiest to build if done the right way

Regards
Elchiquito

 

[teodora301186]

Oh...my mistake with the radiation box...i fixed the problem..but i don't understand what u say about the port. How should i assigned port? How should it be in contact with ground plane?
And about dimensions...the point is to find the best dimension for one aplication :| so, i didn't calculate them.
Thanks.
Teo

 

[elchiquito]

Well the port assignment should be in such a way that the one of the terminals of the port should be ground plane and the second monopole. or to say in simple terms ground plane is a reference for the port.

Regards
Elchiquito

 

[teodora301186]

This is exactly what i do...the monopol is the conducting object and the ground is the reference conductor. But i've still had an error "Port refinement, process hf3derror : Port face does not have a solved inside material on either side. "

 

[ferdows]

hi i attach example of monopole for u

 

[teodora301186]

Thanks. I will check it tonight 2 see where i did mistakes..