Modeling software for Linux OS

Discussion in 'Antennas, Feedlines, Towers & Rotors' started by N5LLW, Dec 4, 2009.

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  1. N5LLW

    N5LLW Ham Member QRZ Page

    Does anyone know of some antenna modeling software for linux?

    I guess it's called NEC or NEC2 or NEC2++ or something. I have run into a lot of stuff
    but am not really sure which is the one I need.

    Does this software let you input measurements and then give a graphic representation of the results??

    Someone help me out here. :)
    I would love to do some experimenting with antennas and I would really like to model some of those ideas I have. Any help would be appreciated in this area.

    Thanks,
    N5LLW
     
  2. WB3BEL

    WB3BEL Ham Member QRZ Page

    An antenna modeling program that I prefer is the freeware 4NEC2 by Arie Voors.

    http://home.ict.nl/~arivoors/

    I have read that some folks have had success running it on linux platforms under WINE. I have used the program extensively and think it has a lot of nice features. I can not say how well it runs in linux environments.

    http://home.ict.nl/~arivoors/4nec2_Wine.pdf

    http://eksfiles.net/2008/01/antenna-modeling-courtesy-of-ubuntu-wine/

    There are linux builds of the original NEC2 engine that you can try if you are averse to using wine. They lack a lot of user interface niceties. If you are comfortable analyzing antennas using command line and text file interfaces along with postprocessing applications this is an option that might meet your needs.

    What you can do with this kind of modeling software is to construct antenna models from wire segments, conducting patches, resistors, inductors, capacitors etc. Then you can simulate the far field patterns , impedance, gain etc. You can analyze a these parameters over a range of frequencies. You can also use the built in optimizers to vary the parameters of interest to achieve some specified design goals. You can analyze the antenna in free space or over some idealized ground models.

    There is a bit of learning curve, but if you are technically inclined, you should be able to be analyzing simple antennas in short order.

    Good Luck,
    Harry WB3BEL
     
  3. WD5ABC

    WD5ABC Ham Member QRZ Page

    I use MMANA-GAL, developed by a guy in Germany and another guy in Japan, I believe. I don't remember the link but if you Google it you'll fine it. It's free, I run it under Windows and also under Linux using Wine, works fine and the install was painless.

    Kerry, WD5ABC
     
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