What software is recommended for designing microwave cavities?

AI Thread Summary
For designing microwave cavities, software recommendations include Ansoft's HFSS, which is widely used for simulating cavities and managing modifications that affect the Q factor and frequency. Users have noted that HFSS is effective for handling simple geometries and necessary alterations like optical access holes. There is interest in finding open-source alternatives, with suggestions to search for "open source 3D solver." However, the original poster lacks experience with 3D solvers. Overall, HFSS is the primary recommendation for microwave cavity design.
csopi
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Hi all,

I need a proper software for designing microwave cavities. I intend to use simple base geometries (e.g. closed box) with some modifications, like holes for optical access or for feeding the MW. These modifications however may seriously affect the Q factor, the frequency or might prevent some modes to develop etc. and I need to control these issues.

I would like to ask for a recommendation. Which software should I use? Any suggestions will be appreciated!
 
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Sounds like a job for one of Ansoft's products. A quick search of "Ansoft microwave cavity" reveals many papers on the subject. They indicated that researchers use HFSS for simulating cavities.
 
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Thank you, I'll look into it! Just out of curiosity: do you know any open source alternative?
 
google "open source 3d solver". I have no experience with any 3D solvers though.
 

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