fekete said:Thank you eirp
I am talking about commercial versions. The situation I described was from a few years ago, and we did buy MWS and I used HFSS when working with a different company.
Anyway, so you say that import options can be a factor in deciding to buy an expensive software (note that the difference can be over $30K)
This topic started actually from one about designing a coax 2 waveguide transitions where, somebody, as usual, recommended HFSS.
h**p://
If designing simple transitions is the reason to buy an EM solver then you don’t need an expensive one. You could buy even two cheaper ones and also buy a few very powerful PCs, and still give yourself a raise for reducing expenses. My question is, when you must buy the expensive software because the others cannot solve your problem? (in reasonable time, with reasonable effort, giving reasonable accuracy…)
I guess people working in academia and big companies don’t care so much about this aspect but consultants and people working in smaller companies have to.
eirp said:Hi, fekete
I said importing of different formats but you see that I meant how the soft is user friendly, how much time is needed to make a model. In my case I'm faced with different structure types so I have to prepare them for simulation fastly.
Depends what you're actually gonna to simulate, if you're designing coax-wg transitions for example, then you may need paper and pencil only
Your inputs are not enough to tell more by now I think
Can you please specify your question please, it's not very clear for me...
thx,
e.
fekete said:Thank you eirp
I am talking about commercial versions. The situation I described was from a few years ago, and we did buy MWS and I used HFSS when working with a different company.
Anyway, so you say that import options can be a factor in deciding to buy an expensive software (note that the difference can be over $30K)
This topic started actually from one about designing a coax 2 waveguide transitions where, somebody, as usual, recommended HFSS.
h**p://
If designing simple transitions is the reason to buy an EM solver then you don’t need an expensive one. You could buy even two cheaper ones and also buy a few very powerful PCs, and still give yourself a raise for reducing expenses. My question is, when you must buy the expensive software because the others cannot solve your problem? (in reasonable time, with reasonable effort, giving reasonable accuracy…)
I guess people working in academia and big companies don’t care so much about this aspect but consultants and people working in smaller companies have to.
Depends what you're actually gonna to simulate, if you're designing coax-wg transitions for example, then you may need paper and pencil only
I know brand new RF engineers, they are saying: cannot design a bloody 3 pole low pass filter if they don’t have the latest version of ADS2004…because this was the version they studied at university.
In my opinion 80% of the applications do not require very sophisticated software, or at least do not require the very latest versions.
Even for EM simulation I’ve seen a lot of freeware/shareware/time-limited or low-cost software’s that can do simple jobs.
RF engineer must be very flexible , and he must know how to use hand calculations , not design with software ,
design by hand frist , then verify and optimize with simulator
when i was practicing to design microstrip filter , i have done it with 2 or 3 clicks with @DS ,
but when i designed it manually i figured out that i have learned much more than using simulator directly
It is true in general, but not always. Many of the big companies of today started low.The rich become richer and the poor stay poor.
If you will invest wisely in good code you will be in the front of technology …
We don't need expensive EDA software to do anything
But I think the cheaper one maybe not so popular like the expensive one
Poorly written software?!! This is an insult to the hundreds of researchers and engineers behind the products that I have listed. Some might not have the fanciest GUI (which, by the way it is not too much “written” by Ansoft or CST, they bought the core of it) but they are well written codes with the results of years of research included. None of the products listed above are poorly written software!Poorly written software may give you a lot of headache and cost you incredible loss of time
I am not aware of any quality software that's reasonably cheap. Well, for some simple tasks, simple geometries, simple materials and simple boundary conditions it may be reasonable to use a low cost or even a free EM simulator.
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