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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt'>Dear Community!</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt'>Has anybody ever tried to model that French speciality, a &#8220;Façade
Respirant&#8221;? One aspect of this type of façade will pose a modelling
problem, as far as I am aware: It would require an air flow network with really
low air flows &#8230; actually, flows induced by the thermal expansion /
contraction of the façade gap air, only (as the façade is not ventilated, but
only pressure equalized via comparatively small openings usually situated at
the bottom edge of the façade elements) &#8230; does anyone have an idea, how
to maybe model this? Is the afn engine capable of doing this, at all? Jon?</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt'>Thanks for any suggestions,</span></font></p>

<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Best regards</span></font></p>

<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Arial><span
 style='font-size:10.0pt;font-family:Arial'>Achim Geissler</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB>&nbsp;</span></font></p>

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