Jim Freeman
"Lee, Beomtaek" wrote:
> 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 [email protected]
>
> Beom-Taek Lee
> Intel Corporation
>
> -----Original Message-----
> From: Dr. Edward P. Sayre [mailto:[email protected]]
> Sent: Friday, August 06, 1999 8:33 AM
> To: [email protected]
> 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:[email protected]]
> >Sent: Thursday, August 05, 1999 11:32 AM
> >To: [email protected]
> >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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> >
>
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+
> | NORTH EAST SYSTEMS ASSOCIATES, INC. |
> | ------------------------------------- |
> | "High Performance Engineering & Design" |
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+
> | Dr. Ed Sayre e-mail: [email protected] |
> | NESA, Inc. http://www.nesa.com/ |
> | 636 Great Road Tel +1.978.897-8787 |
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