RE: [SI-LIST] : Proposal: Rs correlation/collaboration for W-Elem

Lee, Beomtaek (beomtaek.lee@intel.com)
Tue, 10 Aug 1999 08:22:01 -0700

You can download it from
http://weewave.mer.utexas.edu/MED_files/MED_research/Intrcncts/SIMIAN_stuff/
simian_links.html
Or contact Professor Dean Neikirk at neikirk@mail.utexas.edu

Beom-Taek Lee
Intel Corporation

-----Original Message-----
From: Dr. Edward P. Sayre [mailto:esayre@nesa.com]
Sent: Friday, August 06, 1999 8:33 AM
To: si-list@silab.eng.sun.com
Subject: RE: [SI-LIST] : Proposal: Rs correlation/collaboration for
W-Elements

Is the SIMIAN tool available for evaluation?

ed sayre
=============
At 01:02 PM 8/5/99 -0700, you wrote:
>Ray and Rich,
>
>As one of developers of that tool ...
>
>Yes, it does account for proximity effect.
>
>It is equivalent to PEEC or FastHenry in that it uses integral equation
>method. However, SIMIAN uses effective impedance rather than internal
>meshes
>used in PEEC and FastHenry. The internal impedance of conductor is
>characterized as of equivalent surface impedance, so it does represent
>inside of conductor as of surface patch with effective internal
>impedance.
>So, SIMIAN does not need to mesh inside of conductors and, thus, shows
>high
>accuracy over high frequency spectrum with small number of unknowns.
>
>FastHenry took the way of smart matrix assmebly and solver.
>
>SIMIAN took the way of model domain reduction along with decreasing the
>number of unknowns.
>
>Regards,
>
>Beom-Taek Lee
>Intel Corporation
>
>-----Original Message-----
>From: Ray Anderson [mailto:raymonda@radium.eng.sun.com]
>Sent: Thursday, August 05, 1999 11:32 AM
>To: si-list@silab.eng.sun.com
>Subject: Re: [SI-LIST] : Proposal: Rs correlation/collaboration for
>W-Elements
>
>
>Rich:
>
>
>Here are some more data points for your comparison table, this time
>simulated with the SIMIAN Version 2.1 tool developed at the University
>of Texas, Austin.
>
>
>Using the same input geometry as you suggested for the Microstrip
>problem:
>
>
> 1.0769E-3 Ohms/sqrt(Hz)*meter @ 100MHz
>
> 1.3958e-3 Ohms/sqrt(Hz)*meter @ 1GHz
>
> 1.4815e-3 Ohms/sqrt(Hz)*meter @ 5GHz
>
>
>Notes:
>
>* The numbers include the effect of a lossy ground plane.
>* The extractor accounts for proximity effect (I think).
>* Rdc of 4.454 ohms/meter was backed out of the calculated #'s
>
>
>
>
>
>
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>

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