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Matteo,<br>
The INF file says that it is wall EW that is giving you the
problem. I don't see anything really obviously wrong about the wall
definition. The zero thickness layer in this case isn't a problem
because that layer material is defined as being resistive only (ie
no capacitance). My guess is that the 20cm of
BLOCCHI_PIENI_20CM_CLS_800 is causing the problem and that you have
to increase the time base. The time base is increased in the
TRNBuild "outputs" window.<br>
Best,<br>
David<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 7/24/2012 10:37, <a class="moz-txt-link-abbreviated" href="mailto:64@enetec.it">64@enetec.it</a> wrote:<br>
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<p class="MsoNormal">Dear Trnsys Users,<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">using type56, when I
set the layers of my external wall type, while I am trying
to save, I receive the following message:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">error creating transfer
function coefficient: stability criteria not fulfilled.
Check layer definition….<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I attach the info file
for further information.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Moreover in trnsys 17.1
where I can find the “calculate transfer function” window,
where I can decide the timebase.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you for your
availability.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Regards <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Matteo<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Century
Gothic","sans-serif";color:#333333">ing.
Matteo Mariotti<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Century
Gothic","sans-serif";color:#333333"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Century
Gothic","sans-serif";color:#333333">Enetec
S.r.l.<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:7.0pt;font-family:"Century
Gothic","sans-serif";color:#333333">Ingegneria
Energetica e Realizzazioni Impanti</span></b><b><span
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style="font-size:7.0pt;font-family:"Century
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del Maggiolino, 125 - 00155 Roma</span><span
style="font-size:7.0pt;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><i><span
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
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