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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Dear all,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>My project is an office with a double facade. I
modelled the façade with trnflow. There is NO airlink between the office and
the façade. The model works fine, until I wanted the pmv. It gets extremely
slow and I get the following message:<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><i><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;font-style:italic'>Small internal
timesteps (<0.1% of simulation timestep) used for humidity calculations due
to large coupling air flows between zones!<o:p></o:p></span></font></i></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Does anyone know how to solve this?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Kind regards,<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>

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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Mariëlle Nuchelmans<o:p></o:p></span></font></p>

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<hr size=1 width=600 style='width:450.0pt' align=left id=Lijn>

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<br>
<br>
</span></font><font size=1 face=Arial><span style='font-size:8.0pt;font-family:
Arial'><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>

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