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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'>Thanks, I found the ‚problem wall’.
It was a double glazing with an air layer. After changing the construction also
the error with PREBID was solved.<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'>Regards, Nikolai <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>
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size=3 color=navy face="Times New Roman"><span style='font-size:12.0pt;
color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><strong><b><font
size=2 color=navy face=Arial><span lang=DE-CH style='font-size:10.0pt;
font-family:Arial;color:navy'>Nikolai Artmann</span></font></b></strong><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 color=navy face=Arial><span lang=DE-CH style='font-size:10.0pt;
font-family:Arial;color:navy'>3-Plan Haustechnik AG, Winterthur<br>
Telefon 052 / 234 70 66<br>
Telefax 052 / 234 70 60<br>
e-Mail: </span></font><font color=navy><span lang=DE-CH style='color:navy'><a
href="mailto:nikolai.artmann@3-plan.ch" title="mailto:sandra.buehrer@3-plan.ch"><font
size=2 color=black face=Arial title="mailto:sandra.buehrer@3-plan.ch"><span
title="mailto:sandra.buehrer@3-plan.ch"><span style='font-size:10.0pt;
font-family:Arial;color:black'>nikolai.artmann@3-plan.ch</span></span></font></a><o:p></o:p></span></font></p>
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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'><o:p> </o:p></span></font></p>
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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'> Marshall L
Sweet/sweetml/O/VCU [mailto:sweetml@vcu.edu] <br>
<b><span style='font-weight:bold'>Gesendet:</span></b> Donnerstag, 16. Juli
2009 17:08<br>
<b><span style='font-weight:bold'>An:</span></b> trnsys-users@cae.wisc.edu<br>
<b><span style='font-weight:bold'>Betreff:</span></b> Re: [TRNSYS-users] [SPAM]
- HELP: Error creating the wall transfer coefficients - E-Mail in Betreffzeile
gefunden</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=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>I have figured out a partial solution. The wall that
is causing the error is never listed in the INF file. Thus look to see
what walls a transfer coefficient were found. Whatever wall is not in the
INF file but is used in your type 56 is the 'problem' wall. I removed the
'problem' wall completely and used a different but similar wall. I also
noticed that if the problem wall had a low capacity, and had a boundary
condition then that error would occur.<br>
<br>
And yes, the error regarding the wrong version of PREBID is related to this
error.<br>
<br>
Let me know of any solutions you come up with.<br>
<br>
Thanks,<br>
Marshall<br>
<br>
<font color="#990099"><span style='color:#990099'>-----"Nikolai
Artmann" <nikolai.artmann@3-plan.ch>wrote: -----</span></nikolai.artmann@3-plan.ch></font><o:p></o:p></span></font></p>
<div>
<blockquote style='border:none;border-left:solid black 1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>To: "Marshall L Sweet/sweetml/O/VCU"
<sweetml@vcu.edu>, <trnsys-users@cae.wisc.edu><br>
From: "Nikolai Artmann" <nikolai.artmann@3-plan.ch><br>
Date: 07/16/2009 04:13AM<br>
Subject: AW: [SPAM] - [TRNSYS-users] HELP: Error creating the wall transfer
coefficients - E-Mail in Betreffzeile gefunden<br>
<br>
<br>
<o:p></o:p></span></font></p>
<u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"><u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place">
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hello <st1:city u2:st="on"><st1:place u2:st="on">Marshall
</st1:place></st1:city><u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I am getting the same error message. Have
you found a solution for this? <u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Also, there are no inputs or outputs
to/from Type 56. <u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>When I try to update the building variable
list, I get the following message: <u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>This INF file seems to be created with a
wrong version of PREBID. <u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Is this related to the problem with the
wall transfer coefficients? <u1:p></u1:p></span></font><o:p></o:p></p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>Thanks, Nikolai <u1:p></u1:p></span></font><o:p></o:p></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'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
lang=EN-GB style='font-size:12.0pt;color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><strong><b><font size=2 color=navy face=Arial><span
lang=EN-GB style='font-size:10.0pt;font-family:Arial;color:navy'>Nikolai
Artmann </span></font></b></strong><o:p></o:p></p>
<u1:p></u1:p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE-CH
style='font-size:10.0pt;font-family:Arial;color:navy'>3-Plan Haustechnik AG,
Winterthur <br>
Telefon 052 / 234 70 66 <br>
Telefax 052 / 234 70 60 <br>
e-Mail: </span></font><font color=navy><span lang=DE-CH style='color:navy'><a
href="mailto:nikolai.artmann@3-plan.ch" title="mailto:sandra.buehrer@3-plan.ch"><font
size=2 color=black face=Arial title="mailto:sandra.buehrer@3-plan.ch"><span
title="mailto:sandra.buehrer@3-plan.ch"><span style='font-size:10.0pt;
font-family:Arial;color:black'>nikolai.artmann@3-plan.ch </span></span></font></a><u1:p></u1:p></span></font><o:p></o:p></p>
</div>
</div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><u1:p> </u1:p></span></font><o:p></o:p></p>
<div>
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face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<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'>Marshall L
Sweet/sweetml/O/VCU [mailto:sweetml@vcu.edu] <br>
<b><span style='font-weight:bold'>Gesendet: </span></b>Dienstag, 14. Juli 2009
18:11 <br>
<b><span style='font-weight:bold'>An: </span></b>trnsys-users@cae.wisc.edu <br>
<b><span style='font-weight:bold'>Betreff: </span></b>[SPAM] - [TRNSYS-users] HELP:
Error creating the wall transfer coefficients - E-Mail in Betreffzeile gefunden
</span></font><u1:p></u1:p><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><u1:p> </u1:p><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>TRNSYS Users, <br>
<br>
I am using TRNBuild to create a type 56 building model. When I save the
building I get the following error message: <br>
<br>
Error creating the wall transfer coefficients: <br>
Unable to find a root after indication that a root exists. <br>
Maybe the timebase is too small. <br>
Please check the INF file for further information. <br>
<br>
Upon checking the INF file the error is occurring at the end of the file
reading: <br>
<br>
UNABLE TO FIND A ROOT AFTER INDICATION THAT A ROOT EXISTED <br>
<br>
CHECK THE WALL TYPE AFTER THE LAST CALCULATED WALL <br>
OFTEN THE WALL CAPACITY IS TO SMALL TO CALCULATE A TRANSFER FUNCTION ! <br>
<br>
CHECK ALSO YOUR TIMEBASE ! <br>
<br>
The wall type after the last calculated wall is a ceiling consisting of two
layers (wall_board and R-13 insulation). I have used this exact same wall
type in other models and it has worked fine. The coefficients (A, B, C,
and D) of the transfer function for this specific wall type are identical in
both models. The timebase is also the same. The capacity is
different but I have increased the capacity and I am still getting the same
error. <br>
<br>
What is going on here? Where exactly is the capacity? What is meant
by "unable to find a root after indication that a root existed?" <br>
<br>
Thanks in advance, <br>
<br>
Marshall <u1:p></u1:p></span></font><o:p></o:p></p>
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