Re: gEDA-user: Wire-only Symbols - Netlist problems

[Abhijit Kshirsagar <abhijit86k@xxxxxxxxx>]

Hello everyone,

I tried adding 0Volt sources for the "series-creating" device and 0Amp
current sources for the paralleling device. But no avail. The nets are
still disjoint in the second case.

Would it help it I posted a schematic? Could anyone shed some light please?

Thanks in Advance...

~Abhijit





On Mon, Sep 5, 2011 at 10:18, Abhijit Kshirsagar <abhijit86k@xxxxxxxxx> wrote:
> Hi all,
>
> I'm using gschem, gnetlist and ngspice to simulate some aspects of my
> research work. I am using a technique called Bond - graph modelling
> (http://en.wikipedia.org/wiki/Bond_graph), which some of you may be
> familiar with.
>
> I have creating symbols for all the elements I require, which are
> implemented either
> 1. using subcircuits with standard SPICE syntax (R, C, L, Voltage and
> Current sources, etc)
> 2. Underlying schematics (*.sch files) referenced using the "source=" attribute.
>
> Now the problem I have run into is as follows. Two of the symbols that
> I require are only wires. These symbols and the required schematics
> are as follows:
> http://imgur.com/a/1jYe8#vpaed
>
> When i run the netlister, none of the connections show up in the
> netlist. It is as if the junction device doesn't exist. If i use off
> page connectors with attributes like "net=a1:1" then only one of the
> internal connections reflects in the netlist. The only thing that
> works is using Zero-ohm resistors, but then SPICE complains about
> algebraic loops.
>
> I'm sure I'm doing something really really wrong and/or stupid and
> I've been tearing my hair out for the past week now, so any help and
> guidance would really be appreciated. Also, please forgive me if i
> sound incoherent and unclear - I will clarify with more info if
> needed...
>
> Thanks in advance,
> Regards,
>
> ~Abhijit
>
>
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> geda-user mailing list
> geda-user@xxxxxxxxxxxxxx
> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
>


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