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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hannes,<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>Type 56 checks the energy
balance every iteration step and gives an error if the error isn’t lower
than 0.002%.<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>Since it stops at the
beginning of the simulation maybe your inside surfaces temperatures are almost
the same and <o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>thus the total energy
exchanged is very low and from a very low value ... .<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>Unforunately, you can’t
really the initial inside surface temperature of each surface.<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>However, you can try to
set the initial value of the temperature for boundary walls to value different
than 20 °C.<o:p></o:p></span></font>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>If you still have trouble
we need to have a deeper look into your project.<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>However, please don’t
send the project to user list but to <a href="mailto:hotline@transsolar.com">hotline@transsolar.com</a>.
<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>You need to include your
TRNSYS licenses number and your university / company.<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font>
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<p class=MsoNormal><st1:City w:st="on"><st1:place w:st="on"><font size=2
color=navy face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
Arial;color:navy'>Marion</span></font></st1:place></st1:City><font size=2
color=navy face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
Arial;color:navy'><o:p></o:p></span></font>
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style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>Von:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Hannes Oppeel
[mailto:hoppeel@hotmail.com] <br>
<b><span style='font-weight:bold'>Gesendet:</span></b> Sonntag, 1. April 2012
14:46<br>
<b><span style='font-weight:bold'>An:</span></b> <st1:PersonName w:st="on">trnsys-users@cae.wisc.edu</st1:PersonName><br>
<b><span style='font-weight:bold'>Betreff:</span></b> [TRNSYS-users] Internal
error of detailed longwave radiationexchange of zone 1 . Energy balance error
of 0.002 % at time 5.00</span></font><o:p></o:p>
</p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>Hi everbody!<o:p></o:p></span></font>
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font-family:Tahoma'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>I'm currently modeling a church in the Sketchup plugin to
evaluate the stratification and the comfort at different locations in the
building.<o:p></o:p></span></font>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>I've succeeded to import the idf-file into trnbuild without
errors and when I turn on the detailed radiation mode in trnbuild I have no
problems to generate the view factors matrix( after a long proces of trial and
error).<o:p></o:p></span></font>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>The problem is, when I try to simulate the building in the
Simulation Studio I get the following error:<o:p></o:p></span></font>
</p>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>"Internal error of detailed longwave radiationexchange
of zone 1 . Energy balance error of 0.002 % at time
5.00"<o:p></o:p></span></font>
</p>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>I have no idea where the error might be coming from...<o:p></o:p></span></font>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>Any advice would be greatly appreciated!<o:p></o:p></span></font>
</p>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>Hannes Oppeel<o:p></o:p></span></font>
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