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# Re: [femm] Linux and 3D

- To: femm@yahoogroups.com
- Subject: Re: [femm] Linux and 3D
- From: David Meeker <dmeeker@foster-miller.com>
- Date: Mon, 03 Dec 2001 16:08:49 -0500
- Organization: Foster-Miller, Inc.
- References: <20011130122053.34207.qmail@web13207.mail.yahoo.com>

Alexandre Carvalho wrote:

> Good morning. I´d like to know if somebody have any
> project to convert femm for windows to linux plataform
> and if there are an other project to implements 3D
> tasks.

Well, there isn't anybody that I know of working on making a linux version. The 3.0 version of femm ran on linux with Wine. Unfortunately, it was recently reported that the 3.1 version doesn't work with Wine. I don't know what aspect of the new version is distasteful to Wine--if you really need to run femm with Wine, the 3.0b4 version can still be downloaded at
http://download.berlios.de/femm/femm032601.exe and http://download.berlios.de/femm/femmsrc032601.zip for the executable and source, respectively. It would be nice if someone was interesting in porting the program to linux, but I currently don't have access to a linux machine.

Similarly, there has been interest in a 3D version, but nothing much has gotten off the ground yet. Si Hang has recently released a tetrahedral mesh generator (Tetgen) that could be used as the backbone of a 3D program, and some of the numerical parts of the solver could be salvaged to speed up the coding of a 3D version. However, 3D versions of the pre- and post-processor would still have to be written, and the effort required to do that shouldn't be underestimated. For example, the code required to do the user interface (preprocessor, post-processor, plot viewer) is about 6 times as long as the solver, and I'd guess that it took about 6 times the amount of time to do the interface as compared to the time that it took to write the solver.

> I´d like to cooperate with this projects because I
> will use this new features in my Phd Thesis.

Any contributions that you want to make are welcome. A lot of important functionality has been added to the program in just this way (e.g. lua scripting, fast triangle search algorithm).

Dave.

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    title:Senior Engineer
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- Follow-Ups:
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- References:
  - Linux and 3D
    - From: Alexandre Carvalho <carvalhoamc@yahoo.com.br>

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