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How to draw a periodic waveguide?

Posted 14 apr 2015, 03:06 GMT-4 RF & Microwave Engineering, Geometry 4 Replies

Cathy Jiang
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Hi all,
I have a simple question towards for geometry for which I didn't a lot of search but still confused.
So how do you draw a periodic waveguide that has a simple mathematical expression in 3D?
For example, in this blog of corrugated waveguide
www.comsol.com/blogs/computing-impedance-corrugated-waveguide/
I was looking for some "nonlinear extrusion", but didn't see it.
It would be so nice of you if you could give me a quick answer even with one keyword.

Best,
Cathy

P.S. I think this would be less version related, but I'm using 4.3a
4 Replies Last Post 25 lug 2015, 09:16 GMT-4
Lasse Murtomäki
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Posted: 9 years ago 14 apr 2015, 04:13 GMT-4
How about a parametric curve in axisymmetric 2D geometry? Or by rotating a workplane? See my suggestion attached.

br
Lasse
How about a parametric curve in axisymmetric 2D geometry? Or by rotating a workplane? See my suggestion attached. br Lasse

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Cathy Jiang
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Posted: 9 years ago 14 apr 2015, 13:49 GMT-4
Wow, such a nice work! This is exactly what I'm looking for. I would try it and post my feedback here in case other "rookies" want to have a look.
Wow, such a nice work! This is exactly what I'm looking for. I would try it and post my feedback here in case other "rookies" want to have a look.
Farhad Aalizadeh
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Posted: 9 years ago 25 lug 2015, 08:11 GMT-4
Hi,

would you please send me the comsol file of this geometry?

thanks
Hi, would you please send me the comsol file of this geometry? thanks
Lasse Murtomäki
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Posted: 9 years ago 25 lug 2015, 09:16 GMT-4

Please. In Comsol 5.0.
Lasse
Please. In Comsol 5.0. Lasse

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