From: Tadashi ARAI (email@example.com)
Date: Thu Apr 27 2000 - 17:50:56 PDT
There are many or some non-expert-system EMI tools. I know the famous
names from Ansoft, Apsim and so on.
I will introduce an electromagnetic simulator "ACCUFIELD".
ACCUFIELD has capabilities of calculation by not only the moment-method
but also distributed-element method, which can analyse both resonance of
solid (metal or dielectric) structures and emission from signal lines.
Added to these basic functions, it has an optional function of analysing
You can make models of 3D structures and/or signal lines on boards in
the internal GUI editor. It has automatic mesh'ing function and ...
Solaris only...navigation for modeling.
Since the databases are readable ASCII format, you can customize your
models by using text-editor.
For more information, visit;
It is priced from approx.$80K-, working on Solaris 2.4,2.5,2.6 and 7 for
SPARC, Windows 95/98/NT4/2000 for x86. It also works on AP3000,
Fujitsu's super-parallel Ultra-SPARC engine.
In general, I think it is very difficult to get "absolute value" of
emission/radiation forecast, which needs detailed and complexed model
and huge computation time, however, EDA tools will help you to get
"relative value" from what-if analysis with simple model and with
(rather) small amount of time.
//// /// // / / / / / / / / / /
Tadashi Arai//Platform Developing Dept.,Desktop Prd Div. Fujitsu Limited
firstname.lastname@example.org TEL:+81-42-370-7624 Inagi-shi, Tokyo, Japan
/ / / / / / / / / / / // ///
On Thu, 27 Apr 2000 16:30:33 +0800
Mail from email@example.com described as below:
> This is a multi-part message in MIME format.
> Dear Experts,
> Everyone know the EMI is a complex system problem.There is no EDA tools can
> solve this question.According to my knowledge,all EMI tools are only a
> expert system.But we must solve the EMI problem in our design and I wish EDA
> tools can provide some advice.Who can give some informations about EDA tools
> realistic value?Which tools is best in EMI simulation,such as Quiet?
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