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<DIV dir=ltr align=left><SPAN class=640442216-31072008><FONT face=Arial
color=#0000ff size=2>Amandine,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=640442216-31072008><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=640442216-31072008><FONT face=Arial
color=#0000ff size=2>Check the thicknesses of your wall layers, layers that are
too thin are generally the cause of this error. If you've got any really thin
layers, consider using a massless layer and just define a resistance for it, as
its mass is probably negligible (which is why the transfer functions freak
out).</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=640442216-31072008><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=640442216-31072008><FONT face=Arial
color=#0000ff size=2>-Cramer</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=640442216-31072008>
<DIV class=Section1>
<P style="MARGIN: 0in 0in 0pt" align=left><B><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">J. Cramer Silkworth</SPAN></B></P>
<P style="MARGIN: 0in 0in 0pt" align=left><B><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">Transsolar Climate
Engineering</SPAN></B><B><SPAN style="FONT-SIZE: 8pt"><o:p></o:p></SPAN></B></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">Technical consulting for energy
efficiency and environmental quality.</SPAN><SPAN
style="FONT-SIZE: 8pt"><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">145 Hudson Street</SPAN></P>
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style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">Suite 402</SPAN><SPAN
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<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">New York, NY 10013</SPAN><SPAN
style="FONT-SIZE: 8pt"><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">Office: 212-219-2255</SPAN></P>
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style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">Mobile: 347-283-2547</SPAN><SPAN
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href="mailto:silkworth@transsolar.com">silkworth@transsolar.com</A></SPAN></P></DIV></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Amandine Le Denn
[mailto:amandine.le-denn@tecsol.fr] <BR><B>Sent:</B> Thursday, July 31, 2008
9:58 AM<BR><B>To:</B> trnsys-users@engr.wisc.edu<BR><B>Subject:</B>
[TRNSYS-users] error creating a wall type Trnsbuild<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV><FONT face=Tahoma size=2></FONT> </DIV>
<DIV>
<DIV><FONT face=Arial size=2><SPAN class=921431513-31072008>Dear TNRSYS
users,</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr align=left><FONT face=Arial size=2>I created walls in my
TRNBuild simulation and an error message appears when registering:"Error
creating the wall transfert function coefficients: Unable to find a root after
indication that a root exists. Maybe the timebase is too small. Please, check
the INF-file further information."</FONT></DIV>
<DIV>
<DIV dir=ltr>
<DIV id=result_box dir=ltr><FONT face=Arial size=2>I do not see where is the
problem. Thank you for your help.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Best regards,</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial><FONT size=2>HAMADI Malik<SPAN
class=125245713-31072008> - </SPAN></FONT></FONT><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">Amandine LE
DENN<o:p></o:p></SPAN></DIV></DIV></DIV></DIV>
<DIV class=Section1>
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