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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'>Dear Damien,<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'>I don’t know what you
did, but the geometric part of you’re the surface wasn’t there anymore.<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'>This happens when you set
the geomode to manual.<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'>Well, I recreated the
data and placed it into your B17 file and the amtrices are created as expected.
<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>
</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, have in mind
that turning on the detailed radiation mode for longwave radiation slows down
your simulation significantly.<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'>I recommend to setup
everything and make test runs with the standard mode for longwave radiation. <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'>When everything works
fine then turn it on.<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>
</p>
<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>
</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>
</p>
<div>
<p class=MsoNormal><b><font size=2 color="#005a00" face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:#005A00;font-weight:bold'>Dipl.-Ing.
Marion Hiller </span></font></b><b><font size=2 color="#009900"><span
lang=EN-GB style='font-size:10.0pt;color:#009900;font-weight:bold'><br>
</span></font></b><b><font size=2 color="#007000" face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:#007000;font-weight:bold'>TRANSSOLAR:
KlimaEngineering - Technologien für energieeffiziente</span></font></b><b><font
size=2 color="#007000" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#007000;font-weight:bold'>s Bauen und Nutzerkomfort in
Gebäude </span></font></b><b><font size=1 color="#005a00" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#005A00;font-weight:bold'><br>
Munich - New York - Stuttgart + 49.711.67976.0 <br>
<br>
</span></font></b><b><font size=1 color=black face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:black;font-weight:bold'>Transsolar
Energietechnik GmbH, Curiestrasse 2, 70563 Stuttgart <br>
Amtsgericht Stuttgart - HRB 23347, Steuernummer 99073/00911, USt-IdNr.:
DE152272639</span></font></b><font color=navy><span style='color:navy'><o:p></o:p></span></font>
</p>
<p class=MsoNormal><b><font size=1 color=black face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:black;font-weight:bold'>Geschäftsführer:
Dipl.Ing. Matthias Schuler, Dipl.Ing. <st1:PersonName w:st="on">Thomas Auer</st1:PersonName>,
Dipl.Phys. <st1:PersonName w:st="on">Stefan Holst</st1:PersonName>, Prof.
Dipl.-Ing. Bleicher <o:p></o:p></span></font></b>
</p>
<div>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'> <o:p></o:p></span></font>
</p>
</div>
</div>
<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>
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face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
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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'> Damien Gondre
[mailto:damien.gondre@insa-lyon.fr] <br>
<b><span style='font-weight:bold'>Gesendet:</span></b> Montag, 21. November
2011 11:35<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] Problem
with View-Factor Matrix and detailed radiation mode</span></font><o:p></o:p>
</p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font>
</p>
<div>
<p><font size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:
Arial'>Dear Trnsys-Users,</span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'>I
try to model a double-skin facade on Trnsys, using Trnsys3d, the multiple nodes
feature and Contam.</span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'>The
double-skin facade is a 1.2-meter wide and 2.8-meter high zone that is split
vertically in four 0.7-meter high zones separated by virtual surfaces that are
not imported in TRNBuild. I have imported the SketchUp model into Trnbuild. I
have moved the nodes of the double-skin façade into one single zone. </span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial;
font-weight:bold'>I have set the radiation modes to “detailed
model”</span></font></b><font face=Arial><span lang=EN-US
style='font-family:Arial'> (for beam, diffuse and longwave radiation) only in
zones where I want to perform detailed radiation calculation. So I think
I’m all set to generate the view-factor matrix file but TRNBuild
doesn’t calculate it: I don’t get any error when I click on <i><span
style='font-style:italic'>Generate</span></i> < <i><span style='font-style:
italic'>Generate View-Factor Matrix</span></i> but<b><span style='font-weight:
bold'> there is no matrices in the *.vfm file that is generated </span></b>(only
zones ID numbers and names, and a 0 below each line – see attached file: <b><span
style='font-weight:bold'>it looks like detailed radiation mode is not selected
in any zone</span></b>).</span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'>I
use Trnsys 17.00.0019, Trnsys3d version 1.0.5.2 and TRNBuild 2.0.167.</span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'>I’m
sure I’ve done something wrong but I can’t find my mistake in the
user-guide or in the trnsys-users archives. </span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial;
font-weight:bold'>Does someone know how I could generate proper view-factor
matrices?</span></font></b><o:p></o:p>
</p>
<pre style='background:white'><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial'> </span></font><o:p></o:p>
</pre><pre
style='background:white'><b><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;font-weight:bold'>I’m also facing the same problem with the shading matrix</span></font></b><font
face=Arial><span lang=EN-US style='font-family:Arial'>. I defined a shading group in Trnsys3d but it seems like TRNBuild ignore it when calculating the *.shm file: “<i><span
style='font-style:italic'>No window is shaded. Therefore no shading matrix file *.SHM is written!</span></i>” (even if I’m pretty sure several windows are shaded).</span></font><o:p></o:p>
</pre><pre
style='background:white'><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial'> </span></font><o:p></o:p>
</pre><pre
style='background:white'><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial'> </span></font><o:p></o:p>
</pre><pre
style='background:white'><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial'>I tried to compare my *.bui file to the *.bui file in the <i><span
style='font-style:italic'>3D_Building</span></i> example folder. I noticed that <b><span
style='font-weight:bold'>there is a missing part in my *.b17 file</span></b> in the section <i><span
style='font-style:italic'>_EXTENSION_BuildingGeometry _</span></i>. Indeed the _EXTENSION_BuildingGeometry_END_ statement comes right after the description of the vertices. There is no part with description of vertices used by each wall of each zone like in the example file:</span></font><o:p></o:p>
</pre><pre
style='background:white'><i><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;font-style:italic'>zone EG_GB</span></font></i><o:p></o:p>
</pre><pre
style='background:white'><i><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;font-style:italic'>wall 1 1 2 3 4</span></font></i><o:p></o:p>
</pre><pre
style='background:white'><i><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;font-style:italic'>wall 2 5 6 7 8</span></font></i><o:p></o:p>
</pre><pre
style='background:white'><i><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;font-style:italic'>[...]</span></font></i><o:p></o:p>
</pre><pre
style='background:white'><font size=2 face="Courier New"><span
style='font-size:10.0pt'><o:p> </o:p></span></font>
</pre><pre
style='background:white'><span class=apple-style-span><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I also noticed that when I try to update the Trnsys3d file to go back in SketchUp, description of surfaces comes with description of zones only for virtual surfaces so that when I open the updated Trnsys3d file in SketchUp, only virtual surfaces are drawn. </span></font></span><o:p></o:p>
</pre><pre
style='background:white'><span class=apple-style-span><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I think these two comments might help solving the problem. </span></font></span><o:p></o:p>
</pre>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>
<font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'> </span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'>Any
idea would help,</span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'>Thank
you,</span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'> </span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'>Damien.</span></font><o:p></o:p>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span lang=EN-US style='font-size:12.0pt;font-family:Arial'>Attached:
*.idf, *_b17.idf, *.b17, *.vfm, *_shd.log, *_updated.idf</span></font><o:p></o:p>
</p>
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