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[Gnucap-devel] temperature and simulation
From: |
Felix Salfelder |
Subject: |
[Gnucap-devel] temperature and simulation |
Date: |
Tue, 12 Feb 2013 13:14:42 +0100 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
Hi Al.
there are some issues with temperature which i'm not sure how to fix.
the results i get when running the attached files seem wrong.
there is a temperature dependent resistor
rtemp 2 0 t1 (w=1 l=1)
.model t1 r tnom=0 rsh=1 tc2=0 tc1=1
and a command like
.dc temp=2
as it seems, the temperature within rtemp is computed during
_sim->init(), which is called from s__init.cc _before_ setup().
that said, a workaround might be to call setup first, and also change
DC::setup to set _sim->_temp_c after the options() call.
appearently something different is intended within s_dc.cc, when it
comes to sweeps over temperture ranges or to fixing the set__value
pointer hack.
i doubt it is appropriate to call init() before each invocation of
solve_with_homotopy. but what about (ab?)using precalc_last for
parameter placements like this? better ideas?
thanks for your help
felix
PS: yes i've found that old thread from 2011 about the missing
precalc_first call. that seems fix a different issue.
dc_temp.gc
Description: Text document
tran_temp.gc
Description: Text document
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