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# Monopole Antenna in Hfss!!

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#### oister

##### Member level 2
hi,
i have to make a monopole antenna above ground at 2.5GHz,in hfss.Do anyone have idea how to start it.I didnt find any good sites to begin with.

to read the tutorial of simulation tools

oister said:
hi,
i have to make a monopole antenna above ground at 2.5GHz,in hfss.Do anyone have idea how to start it.I didnt find any good sites to begin with.

hello
1-first draw one circular plate in (0,0,0) point by λ radius.
2-draw 1 cylender that its radius is 5mm*exp(5/6) and center is ( 0,0,-5mm) and height is 5mm and its material is vaccume.
3-draw another cylender that its radius is 5mm and center is ( 0,0,-5mm) and height is 5mm+λ/4.
4-substract circular plate and first cylender.
5-select circular plate and by right clicking set it perfectE boundary condition.
6-select external surface of second cylender and right clicking set it perfectE boundary condition.
7-draw one circular plate in (0,0,-5mm) point by 5mm*exp(5/6) λ radius. and select it and set it to wave port by right clicking ....
8- draw one cilender for redaiation box.
9-set analyzing and run it.
by my freind

thanhvktpk

### thanhvktpk

Points: 2
Hello,

Please I need this hfss too, anyone can uplod it ?

yousefi

### yousefi

Points: 2
4-substract circular plate and first cylender.
i m trying but not able to subtract...can i subtract 2D from 3D...????????????
7-draw one circular plate in (0,0,-5mm) point by 5mm*exp(5/6) λ radius. and select it and set it to wave port by right clicking ....
in this formula (5mm*exp(5/6) λ radius) what will be the radius if λ=375?????????

thanhvktpk

Points: 2