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Date: Fri, 26 Aug 2016 21:45:00 +0200
From: "Bert Timmerman (bert DOT timmerman AT xs4all DOT nl) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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To: geda-user AT delorie DOT com
Subject: Re: [geda-user] Microwave PCB layout simulation or How to eat all
 your processing power in 3 easy steps
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Evan Foss (evanfoss AT gmail DOT com) [via geda-user AT delorie DOT com] wrote:
> So a while back there was a thread titled "[geda-user] Wilkinson
> splitter - how to implement and use?"
>
> I *hated* that we didn't have a good answer for that. I spent a lot of
> time looking at FEM (finite element modeling). There are a lot of open
> source FEM solvers that are open source. Too many really because
> people keep writing new ones to full fill phd thesis requirements.
>
> The FEM we care about is called FDTD (finite-difference time-domain)
> aka Yee's method. I made a list of all of them. Removed the ones that
> are not maintained. Weighted them based on how close to our intended
> use case the projects were and bumped down ones that were basically
> only used by the universities who wrote them. It left 2 options. I
> really favor OpenEMS for a number of reasons. For one MEEP doesn't
> seem to have any kind of email list or forum and OpenEMS does. For
> another MEEP seems to mostly be used by people who are doing things
> like designing CCDs and other optics (hey John Dotty ever used this?).
> OpenEMS is mostly used by RF people and has examples done that use PCB
> layout.
>
> To see what I am excited about
> http://openems.de/index.php/Tutorial:_Microstrip_Notch_Filter
> http://openems.de/index.php/Tutorial:_Importing_with_hyp2mat#Calculating_the_step_response
>
> OpenEMS
> http://openems.de/start/index.php
>
> MEEP
> http://ab-initio.mit.edu/wiki/index.php/Meep
>
> PS: I looked for a Method Of Moments (mom) solver and there don't
> appear to be any which are open source and actively
> developed/maintained. NEC2 is nice but it is just free as in beer.
>
>
>    
Hi Evan,

So basically you wish for a Hyperlynx exporter for pcb ;-)

Kind regards,

Bert Timmerman.