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<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial>Hello Mr. Martinez!</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial>What is Your input for Your
variable inlet-temperature?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial>If it is e.g. a temperature from the room containing the
active layer You may try to route this value over a Type93 - "Input Value
Recall" (Utility).</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial>This may prevent Your system from oscillating and every real
controller as a time-delay.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial>It You do so, I recommend using a timestep of 1 minute (You
may test it with lager timestep).</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial>Do You use a controller?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial>If yes; what kind?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010><FONT color=#0000ff
size=2 face=Arial>With regards,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=021512908-05022010> <FONT
color=#0000ff size=2 face=Arial>Matthias Kersken</FONT></SPAN></DIV>
<DIV> </DIV>
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style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Dipl.-Ing. Matthias
Kersken<BR></SPAN></B><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Wissenschaftlicher
Mitarbeiter / Abteilung Energiesysteme<o:p></o:p></SPAN></P>
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style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Fraunhofer-Institut für
Bauphysik <BR>Institutsteil Holzkirchen</SPAN><o:p></o:p></P>
<P
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style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Fraunhoferstraße
10<BR>83626 Valley</SPAN><o:p></o:p></P>
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style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">eMail: <A
href="mailto:Matthias.Kersken@ibp.fraunhofer.de">Matthias.Kersken@ibp.fraunhofer.de</A><BR>Telefon
08024 / 643-204<BR>Telefax 08024 / 643-366<BR><A
href="http://www.ibp.fraunhofer.de/">www.ibp.fraunhofer.de</A></SPAN><o:p></o:p></P></TD></TR></TBODY></TABLE>
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style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; mso-ansi-language: EN-GB"
lang=EN-GB>Dipl.-Ing. Matthias Kersken<BR></SPAN></B><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; mso-ansi-language: EN-GB"
lang=EN-GB>Research Associate / Department Energy Systems
</SPAN><SPAN style="mso-ansi-language: EN-GB"
lang=EN-GB><o:p></o:p></SPAN></P>
<P
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style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; mso-ansi-language: EN-GB"
lang=EN-GB>Fraunhofer Institute for Building Physics <BR>Branch
Holzkirchen</SPAN><SPAN style="mso-ansi-language: EN-GB"
lang=EN-GB><o:p></o:p></SPAN></P>
<P
style="MARGIN: 0cm 0cm 0pt; mso-element: frame; mso-element-frame-hspace: 2.25pt; mso-element-wrap: around; mso-element-anchor-vertical: paragraph; mso-element-anchor-horizontal: column; mso-element-left: -9.0pt; mso-height-rule: exactly"><SPAN
class=SpellE><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; mso-ansi-language: EN-GB"
lang=EN-GB>Fraunhoferstraße</SPAN></SPAN><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; mso-ansi-language: EN-GB"
lang=EN-GB> 10<BR>D-83626 Valley</SPAN><SPAN
style="mso-ansi-language: EN-GB" lang=EN-GB><o:p></o:p></SPAN></P>
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style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; mso-ansi-language: EN-GB"
lang=EN-GB>eMail: </SPAN><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><A
href="mailto:Matthias.Kersken@ibp.fraunhofer.de"><SPAN
style="mso-ansi-language: EN-GB"
lang=EN-GB>Matthias.Kersken@ibp.fraunhofer.de</SPAN></A></SPAN><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; mso-ansi-language: EN-GB"
lang=EN-GB><BR>Phone +49 8024 / 643-204<BR>Fax +49 8024 /
643-366<BR></SPAN><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><A
href="http://www.ibp.fraunhofer.de/"><SPAN
style="mso-ansi-language: EN-GB"
lang=EN-GB>www.ibp.fraunhofer.de</SPAN></A></SPAN><SPAN
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lang=EN-GB><o:p></o:p></SPAN></P></TD></TR></TBODY></TABLE>
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<DIV> </DIV><BR>
<BLOCKQUOTE style="MARGIN-RIGHT: 0px">
<DIV dir=ltr lang=de class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>Von:</B> rgaray@labein.es
[mailto:rgaray@labein.es] <BR><B>Gesendet:</B> Donnerstag, 4. Februar 2010
16:15<BR><B>An:</B> LISTA DE CORREO USUARIOS TRNSYS <BR><B>Betreff:</B>
[TRNSYS-users] active layer convergende criteria<BR></FONT><BR></DIV>
<DIV></DIV><BR><FONT size=2 face=sans-serif>Dear all,</FONT> <BR><BR><FONT
size=2 face=sans-serif>I'm trying to model a active layer but get always the
same error: "outside temperature of 2(external)wall in zone 2at time 1.00 not
converged".</FONT> <BR><FONT size=2 face=sans-serif>This happens when I set a
variable input as inlet fluid temperature, but it will work when it is set to
a constant.</FONT> <BR><FONT size=2 face=sans-serif>Does anyone know which
convergence restrictions should I consider?</FONT> <BR><BR><FONT size=2
face=sans-serif>Thanks in advance.</FONT> <BR><BR><BR><FONT size=2
face=sans-serif>--------------------------------------------------------------------------<BR>Roberto
Garay Martinez<BR>Labein-Tecnalia<BR>Unidad de Construcción y Desarrollo del
Territorio<BR>c/Geldo. Parque Tecnológico de Bizkaia<BR>Edificio 700<BR>48160
Derio (Bizkaia)<BR>Tel.: 34 94 607 33 00<BR>Fax: 34 94 607 33
49<BR>www.labein.es<BR>---------------------------------------------------------------------------<BR>Visite
nuestro blog:<BR>http://www.energiaenedificacion.com
<BR>------------------------------------------------------------------------<BR>Bilbao,
17-19 de Mayo, 2010<BR>Open and Sustainable Building<BR>Edificación Adaptable
y
Sostenible<BR>www.OpenBuilding-2010.org<BR>--------------------------------------------------------------------------<BR></BLOCKQUOTE></FONT></BODY></HTML>