SLFFEA Development

Updated 10/11/00

Contributions:

Here is a post I made to USENET( at alt.engineering.electrical and sci.physics.electromag) on October 30th, 2000. The post pretty much says what I am doing and what I need. Since that time, I have completed a significant amount of work on the code by myself, and am still hoping to get some interest. I am at a stage where I have data which needs to be interpreted so that a decision can be made about how to display the results graphically. Here's the post:

  From: slffea@my-deja.com
  Subject: help on FEM code
  Date: Mon, 30 Oct 2000 20:00:06 GMT
  Newsgroups: sci.physics.electromag
  Organization: Deja.com - Before you buy.
  NNTP-Posting-Host: 198.211.51.180
  X-Article-Creation-Date: Mon Oct 30 20:00:06 2000 GMT
  X-Http-User-Agent: Mozilla/4.51 [en] (X11; I; Linux 2.2.6 i686)
  X-Http-Proxy: 1.0 x66.deja.com:80 (Squid/1.1.22) for client 198.211.51.180
  X-MyDeja-Info: XMYDJUIDslffea

  Over the past few years, I've been developing some GNU
  FEA software for solid mechanics engineering.  Currently,
  I'm considering writing a small code for electro-magnetism.
  The software I have in mind is based on the waveguide problem
  in 2-D using quadrilateral edge based elements.  This is
  elaborated on in section 8.2, page 244-248 in
  "Finite Element Method in Electromagnetics" by Jianming Jin.
  Because I'm a mechanical engineer, I don't really understand
  the physics, and would be implementing it purely as a
  mathematical problem of solving differential equations
  using FEA.  Normally, I wouldn't attempt it, but I have gotten
  some requests by electrical engineers for such a code,
  so thought I would give it a try.

  I can only proceed though, if there is someone who understands
  the physics and can give me assistance.  In general, I would
  need someone to:

  1) explain some points of Maxwell's Equations

  2) help interpret data

  3) decide the best way to visualize the data, etc.

  4) provide data sets to test the code.

  Some things you should consider are:

   1)The finished code will be released under the GNU license.

   2)I need to retain the right to make the final decision on all aspects
   of the code. (Of course, since it's GNU, you'll be able to make your
   own modifications later on.)

  You can take a look at my current work at:

      www.slffea.com

  I would like the code to have the broadest application possible
  so I would like information such as whether edge based elements are
  preferable to node based elements, if modal analysis constitutes
  a large majority of the problems to solve, etc.

  San Le
  slffea AT yahoo.com
  slffea.com

  Sent via Deja.com http://www.deja.com/
  Before you buy.

Contributions:

All submissions for incorporation into SLFFEA must be GNU. This includes source codes, scientific theory, and data files.

Wish List:

Add more elements, especially those of the non-linear large deformation variety.
Write Users Guide.
Add GUI mesh generators.

You are visitor number