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<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Dear Marion <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Thanks for your swift reply. I have got
the point and will do that.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Your effort is highly appreciated.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Regards<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>
Marion Hiller [mailto:hiller@transsolar.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> 21 June 2011 12:44<br>
<b><span style='font-weight:bold'>To:</span></b> mahdishahrestani<br>
<b><span style='font-weight:bold'>Subject:</span></b> AW: RE: [TRNSYS-users]
Error in solar radiation distribution (sumsitot) and type 56</span></font><span
lang=EN-US><o:p></o:p></span></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=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'>Dear Mehdi,</span></font><span
lang=DE> </span><font size=2 color=navy face=Arial><span lang=DE
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=DE
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 style='font-size:
10.0pt;font-family:Arial;color:navy'>Well, you should use in fact this
equation:</span></font> <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 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 style='font-size:
10.0pt;font-family:Arial;color:navy'>IB_N_180_90 = [109,37]*GT([109,36],1)</span></font>
<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 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 style='font-size:
10.0pt;font-family:Arial;color:navy'>Because you want to set all radiation data
to 0 if the total radiation [109,36] is less than 1 kJ/hr and not the beam
radiation [109,37].</span></font> <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 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 style='font-size:
10.0pt;font-family:Arial;color:navy'>To be honest, I assume you don’t need this
for the beam radiation at all, because if the total radiation is very very low
you don’t have beam radiation only diffuse.</span></font> <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 style='font-size:
10.0pt;font-family:Arial;color:navy'>However, it’s consistent and better to
understand if you use the equation.</span></font> <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 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 style='font-size:
10.0pt;font-family:Arial;color:navy'>Best,</span></font> <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 style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Marion</span></font></st1:City></st1:place> <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 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 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 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=DE
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=DE
style='font-size:10.0pt;color:#009900;font-weight:bold'><br>
</span></font></b><b><font size=2 color="#007000" face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:#007000;font-weight:bold'>TRANSSOLAR:
KlimaEngineering - Technologien für energieeffizientes Bauen und Nutzerkomfort
in Gebäude </span></font></b><b><font size=1 color="#005a00" face=Arial><span
lang=DE 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 lang=DE
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><span lang=DE> <font color=navy><span
style='color:navy'><o:p></o:p></span></font></span></p>
<p class=MsoNormal><b><font size=1 color=black face=Arial><span lang=DE
style='font-size:7.5pt;font-family:Arial;color:black;font-weight:bold'>Geschäftsführer:
Dipl.Ing. Matthias Schuler, Dipl.Ing. Thomas Auer, Dipl.Phys. Stefan Holst,
Prof. Dipl.-Ing. Bleicher </span></font></b><span lang=DE> </span><b><font
size=1 color=black face=Arial><span lang=DE style='font-size:7.5pt;font-family:
Arial;color:black;font-weight:bold'><o:p></o:p></span></font></b></p>
<div>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
lang=DE style='font-size:12.0pt;color:navy'> </span></font><span lang=DE> <font
color=navy><span style='color:navy'><o:p></o:p></span></font></span></p>
</div>
</div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=DE style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=DE style='font-size:12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=DE style='font-size:
10.0pt;font-family:Tahoma;font-weight:bold'>Von:</span></font></b><font size=2
face=Tahoma><span lang=DE style='font-size:10.0pt;font-family:Tahoma'> Mehdi
Shahrestani [mailto:mahdishahrestani@yahoo.com] <br>
<b><span style='font-weight:bold'>Gesendet:</span></b> Dienstag, 21. Juni 2011
13:32<br>
<b><span style='font-weight:bold'>An:</span></b> Marion Hiller<br>
<b><span style='font-weight:bold'>Betreff:</span></b> RE: [TRNSYS-users] Error
in solar radiation distribution (sumsitot) and type 56</span></font><span
lang=DE> <o:p></o:p></span></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=DE
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Dear Marion <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Many thanks for your reply. It is highly
appreciated. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Just for double checking could you please
confirm the second line of modification?</span></font> <font color=blue
face=Arial><span style='font-family:Arial;color:blue'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Your second modification:</span></font> <font
color=blue face=Arial><span style='font-family:Arial;color:blue'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>IB_N_180_90 = [109,</span></font><font
color=red face=Arial><span style='font-family:Arial;color:red'>37</span></font><font
color=blue face=Arial><span style='font-family:Arial;color:blue'>]*GT([109,</span></font><font
color=red face=Arial><span style='font-family:Arial;color:red'>36</span></font><font
color=blue face=Arial><span style='font-family:Arial;color:blue'>],1) <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Is it correct or it should be:</span></font>
<font color=blue face=Arial><span style='font-family:Arial;color:blue'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>IB_N_180_90 = [109,</span></font><font
color=red face=Arial><span style='font-family:Arial;color:red'>37</span></font><font
color=blue face=Arial><span style='font-family:Arial;color:blue'>]*GT([109,</span></font><font
color=red face=Arial><span style='font-family:Arial;color:red'>37</span></font><font
color=blue face=Arial><span style='font-family:Arial;color:blue'>],1)</span></font>
<font color=blue face=Arial><span style='font-family:Arial;color:blue'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>I am waiting for your kind reply <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Many thanks again <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'>Mehdi</span></font> <font color=blue
face=Arial><span style='font-family:Arial;color:blue'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=blue face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:blue'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'> </span></font><span
lang=DE><o:p></o:p></span></p>
<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>
Marion Hiller [mailto:hiller@transsolar.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> 21 June 2011 11:17<br>
<b><span style='font-weight:bold'>To:</span></b> mahdishahrestani; trnsys-users<br>
<b><span style='font-weight:bold'>Subject:</span></b> AW: [TRNSYS-users] Error
in solar radiation distribution (sumsitot) and type 56</span></font><span
lang=EN-US> </span><span lang=EN-US><o:p></o:p></span></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=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'>Dear Mehdi,</span></font><span
lang=DE> </span><font size=2 color=navy face=Arial><span lang=DE
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=DE
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 style='font-size:
10.0pt;font-family:Arial;color:navy'>thanks for resending your simplified
files!</span></font> <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 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 style='font-size:
10.0pt;font-family:Arial;color:navy'>The error is due to very low radiation
data on the north façade of your model from Type 109 of 0.02 KJ/hr m².</span></font>
<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 style='font-size:
10.0pt;font-family:Arial;color:navy'>Type 56 does a radiation distribution for
this very low value which yields to a total distribution error of radiation
entering all windows of 3.63 KJ/hr for your 3 floor window.</span></font> <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 style='font-size:
10.0pt;font-family:Arial;color:navy'>The 2floor model runs fine because there
are less windows leading to an error smaller than 3.6 kJ/hr.</span></font> <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 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 style='font-size:
10.0pt;font-family:Arial;color:navy'>As a quick fix I suggest to set radiation
input to Type 56 lower than 1 KJ/hr m² to 0 by the following</span></font> <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 style='font-size:
10.0pt;font-family:Arial;color:navy'>IT_N_180_90 = [109,36]*GT([109,36],1)</span></font>
<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 style='font-size:
10.0pt;font-family:Arial;color:navy'>IB_N_180_90 = [109,37]*GT([109,36],1)</span></font>
<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 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 style='font-size:
10.0pt;font-family:Arial;color:navy'>In addition, I put it on my list for
Type56 improvements. <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 style='font-size:
10.0pt;font-family:Arial;color:navy'>Best regards,</span></font> <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 style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Marion</span></font></st1:City></st1:place> <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 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 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=DE
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=DE
style='font-size:10.0pt;color:#009900;font-weight:bold'><br>
</span></font></b><b><font size=2 color="#007000" face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:#007000;font-weight:bold'>TRANSSOLAR:
KlimaEngineering - Technologien für energieeffizientes Bauen und Nutzerkomfort
in Gebäude </span></font></b><b><font size=1 color="#005a00" face=Arial><span
lang=DE 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 lang=DE
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><span
lang=DE> <font color=navy><span style='color:navy'><o:p></o:p></span></font></span></p>
<p class=MsoNormal><b><font size=1 color=black face=Arial><span lang=DE
style='font-size:7.5pt;font-family:Arial;color:black;font-weight:bold'>Geschäftsführer:
Dipl.Ing. Matthias Schuler, Dipl.Ing. Thomas Auer, Dipl.Phys. Stefan Holst,
Prof. Dipl.-Ing. Bleicher </span></font></b><span lang=DE> </span><b><font
size=1 color=black face=Arial><span lang=DE style='font-size:7.5pt;font-family:
Arial;color:black;font-weight:bold'><o:p></o:p></span></font></b></p>
<div>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
lang=DE style='font-size:12.0pt;color:navy'> </span></font><span lang=DE> <font
color=navy><span style='color:navy'><o:p></o:p></span></font></span></p>
</div>
</div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=DE style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=DE style='font-size:12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=DE style='font-size:12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=DE style='font-size:
10.0pt;font-family:Tahoma;font-weight:bold'>Von:</span></font></b><font size=2
face=Tahoma><span lang=DE style='font-size:10.0pt;font-family:Tahoma'> Mehdi
Shahrestani [mailto:mahdishahrestani@yahoo.com] <br>
<b><span style='font-weight:bold'>Gesendet:</span></b> Montag, 20. Juni 2011
00:27<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] Error in
solar radiation distribution (sumsitot) and type 56</span></font><span lang=DE>
<o:p></o:p></span></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=DE
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Dear <i><span
style='font-style:italic'>TRNSYS team</span></i> and users <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>It is around 10 days that
I have got stuck in simulation of a building. After many things that I have
already checked, it seems that there is a bug in Trnsys. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Here, I am going to raise
the issue in detail hoping to get some response from users and Trnsys bodies. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><u><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Project: <o:p></o:p></span></font></u></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Modelling of a building
with 3 floors without considering system (just using type 56) <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Each floor has 20 zones
and the plans of all 3 floors are the same. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><u><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Followed process: <o:p></o:p></span></font></u></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>In the first round the
building was drawn in Trnsys3d-SketchUp and imported into the Trnsys. After
importing the *.idf file, a *.tpf file was automatically generated and was working
very well. The problem came up when I needed to reduce simulation time step
from 1 hr to 0.2 hr. (for controller settings in the next steps of my project) <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Any way, a simple type 56
for a building with 3 floors, each floor 20 zone was not working with 0.2hr
simulation time step. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><u><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> The error is:</span></font></u>
<u><o:p></o:p></u></p>
<p class=MsoNormal style='margin-left:36.0pt;text-align:justify'><font size=3
color=red face="Times New Roman"><span style='font-size:12.0pt;color:red'>“Internal
error in solar radiation distribution (sumsitot) of 56.388 %
at time 56.40wave length band no.3 1:total solar, 2:visual
solar, 3:non visual solar”</span></font> <font color=red><span
style='color:red'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>I was checking every
thing but nothing was wrong. Finally, I sent an Email for users and asked for
help. Christian from TRANSSOLAR and Matt from TESS kindly replied. Matt
suggested me to follow the Christian advice and Christian wrote: <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-align:justify'><font size=3
color="#339966" face="Times New Roman"><span style='font-size:12.0pt;
color:#339966'>“One reason for this can be that in your 3DModel you have infinitesimal
small surfaces. Please check if this is the case and if so you'll have to
redraw the geometry“</span></font> <font color="#339966"><span
style='color:#339966'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Then, I checked every
little part of the 3D model in Sketchup and also imported model in studio but
there was not such evidence. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Even though I was quite
sure that there is no such a little surface I redraw the entire model several
times (at least 10 times) precisely but the result was the same and after
importing the *.idf file into studio exactly at 56.4 hr the error comes up
every time. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>In the next try I decided
to draw and import building floor by floor. After drawing the first floor, it
was imported to the studio. Generated *.tpf file including Type 56 ran with 0.2
hr simulation time step. The result was perfect, and I decided to check the building
with 2 floors. To make the drawing I used the drawing of the first floor
(previously drawn) and copy it on the top of the first floor as second floor
and then import the related *.idf file into studio. Type 56 of the building
with two floors was working in 0.2 hr time step perfectly without error. Then,
I repeat the process and copy the drawing of the second floor and paste it as
third floor in Sketchup. After importing the *.idf of the building with 3
floors, type 56 was only able to run in simulation time step 1.0 hr. when I was
reducing time step to 0.5 or 0.2 the previous error came up. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>All in all, this approach
proved that there Christian’s expectation was not correct because if it was
correct I could not run the related type 56 for the first floor and second
floor without error as well.( third floor was copy and paste of second floor) <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Even though it was quite
clear that there is no any small surface (Christian expectation) I was thinking
maybe there is some problem about connection between Sketchup and studio.
Therefore, I decided to insert entire building manually in type 56. The result
of manual filling type 56 was 100% similar to the importing building from
Sketchup. That means, first floor and second floor was running perfectly in
different simulation time step (0.2 hr , 0.5 hr and 1 hr) but just when I added
the third floor, type 56 came into the same error (mentioned above) at the same
time (56.4 hr). <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>By following these two
approaches I have got sure that the error is not because of small and
unattended surface (Christian expectation) and also is not because of importing
*idf file from Sketchup. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>This error has also
detected by other users <font color=blue><span style='color:blue'><a
href="http://sel.me.wisc.edu/trnsys/mailinglist/archive2004/msg00654.html">Xavier</a></span></font>
(2004) which Michaël Kummert was replied and accepted the bug in version 15. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><u><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>My expectation: <o:p></o:p></span></font></u></p>
<p class=MsoNormal style='margin-left:36.0pt;text-align:justify;text-indent:
-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><span style='mso-list:
Ignore'>1-<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]>There are limits on number of zone
for each type 56. <o:p></o:p></p>
<p class=MsoNormal style='margin-left:36.0pt;text-align:justify;text-indent:
-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><span style='mso-list:
Ignore'>2-<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]>Weather component (type 109) is
not able to deal with some time steps. <o:p></o:p></p>
<p class=MsoNormal style='margin-left:36.0pt;text-align:justify;text-indent:
-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><span style='mso-list:
Ignore'>3-<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]>There is a bug in type 56 to run
model with time steps less than 1.0 hr. <o:p></o:p></p>
<p class=MsoNormal style='margin-left:36.0pt;text-align:justify;text-indent:
-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><span style='mso-list:
Ignore'>4-<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]>There is a bug for solar radiation
distribution within type 56. <o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><u><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>For further detail
following files are attached: <o:p></o:p></span></font></u></p>
<p class=MsoNormal style='margin-left:36.0pt;text-align:justify;text-indent:
-18.0pt;mso-list:l1 level1 lfo4'><![if !supportLists]><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><span style='mso-list:
Ignore'>1-<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]>Folder 1 including related files
of building with <u>two</u> floors developed in Sketchup and imported into
Trnsys which <u>works fine</u> in different time steps (*.idf, *.tpf, *.dck and
*.b17 files) <o:p></o:p></p>
<p class=MsoNormal style='margin-left:36.0pt;text-align:justify;text-indent:
-18.0pt;mso-list:l1 level1 lfo4'><![if !supportLists]><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><span style='mso-list:
Ignore'>2-<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]> Folder 2 including related
files of building with <u>three</u> floors developed in Sketchup and imported
into Trnsys which <u>is not working</u> in time steps less than 1.0 hr
(*.idf, *.tpf, *.dck and *.b17 files) <o:p></o:p></p>
<p class=MsoNormal style='margin-left:18.0pt;text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Hereby, I was wondering
if anybody could help me. I am not a freelance researcher; I am a PhD student
with dispread need on doing simulation. I hope you consider user situation with
your kind responses. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Sorry about the long
story and thanks for your time <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Regards <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Mehdi Shahrestani <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><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=Arial><span style='font-size:12.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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