All,
We're looking at some high current power applications where milli-ohms
can make
a difference in heat, voltage loss, system performance, etc. Since we're
trying to
split hairs (let's ignore for this discussion how accurate the model
itself may be) we've been
considering different approaches to the simulation. We, of course, have
DC solvers
in hand, but there has also been suggestions about using 3D field solvers.
I have this gut level distrust of these 3D field solvers at DC - is this
distrust warranted?
Are the field solvers out there accurate at DC? My experience with them
has previously
been restricted to S-parameter generation for vias, connectors, etc.
where we're worried
about the high frequency effects. Most of these S-parameters have a low
frequency cut-off.
I think this is where my distrust comes from.
So, the bottom line question is, are 3D field solvers (generally, or any
in particular) accurate
at DC? And, (really the same question) is it worth pursuing 3D
modeling/3D simulations for
a high current power application?
Thanks!
Ralph Wilson
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