Re: NEC-LIST:NEC gridding programs

Hi all
Seeing as the topic of discussion seems to be gridding algorithms I thought
that I should mention that the SIG program does not just grid wire segments
but "grids" structures using UTD plates as well. This is very useful when
trying to simulate large complex structures at high frequencies with limited
processing facilities.

This technique was used in modelling a helicopter at very high frequencies
quite successfully.

Although this is slightly off the topic I thought I needed to clear up a few
misconceptions. Although SuperNEC lite is free for academic use certain
people have raised questions regarding the justification of the pricing
structure of SuperNEC and other products.

The short answer is that the pricing structure is needed to carry on funding
further leading edge developments (such as Dr Francis Canning's new fast
solver Simply Sparse, antenna assemblies, genetic algorithms etc) We also
like to maintain our ties to the academic community and help fund students
and their research.

The list of research and development projects is quite extensive, and will
hopefully help stimulate new ideas and developments in the EM community.

 I hope this clears things up :-)

 R Dreyer

----- Original Message -----
From: "tim tattrie" <ttattrie_at_yahoo.com>
To: <nec-list_at_gweep.ca>
Sent: Thursday, November 21, 2002 4:39 AM
Subject: NEC-LIST:NEC gridding programs

> Anyone know of any decent gridding programs.
> Specifically, I'm looking for something that can model
> an aircraft. I can do it by hand, but I want to change
> the mesh size for different frequency runs. I've know
> that SuperNec advertise a product... any others out
> there.
>
>
> Regards,
>
> TT
>
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