<div dir="ltr"><div class="gmail_default" style="font-family:monospace,monospace"><span tabindex="-1" id="result_box" class="" lang="en"><span>Dear Merk;<br>thank you for your reply</span>. Quser is not an T56 output.<br><span>just after</span> sending <span>my message</span><span>,</span> <span>I immediately</span> <span>solved my problem</span><span>.</span> <span class="">The solution</span> consist <span class="">just</span> to <span>eliminate</span> <span>QSKY</span> <span>not as I</span> <span>have written</span> <span>before</span> the equation <span>but</span> <span>by setting</span> <span>the on</span> <span class="">emissivity</span> <span>to 0 on back side.<br></span></span></div><div class="gmail_default" style="font-family:monospace,monospace"><span tabindex="-1" id="result_box" class="" lang="en"><span>Best,<br></span></span></div><div class="gmail_default" style="font-family:monospace,monospace"><span tabindex="-1" id="result_box" class="" lang="en"><span>Rabah<br></span></span></div></div><div class="gmail_extra"><br><div class="gmail_quote">2016-07-05 16:42 GMT+02:00 hotline <span dir="ltr"><<a href="mailto:hotline@transsolar.com" target="_blank">hotline@transsolar.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">Dear Rabah,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">am I understanding you correct:<u></u><u></u></span></p>
<p><u></u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><span>-<span style="font:7.0pt "Times New Roman"">         
</span></span></span><u></u><i><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN">Quser, QSKY_S1-ABS
</span></i><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN">and<i> TSO_S1
</i>are outputs of Type 56</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u><u></u></span></p>
<p><u></u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><span>-<span style="font:7.0pt "Times New Roman"">         
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">You take these outputs and use them for your surface gains<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">This will definitely cause convergence problems since you manipulate a balance by using outputs of this balance.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">You will have to find a different solution for your task.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">Best<br>
Jakob Merk<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:black">_________________________________________________________________________________________________<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:black"><u></u> <u></u></span></p>
<p class="MsoNormal"><i><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">Jakob Merk<u></u><u></u></span></i></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">TRNSYS Software Team<u></u><u></u></span></p>
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</span></i><b><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">Transsolar Energietechnik GmbH<u></u><u></u></span></b></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">Curiestraße 2<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">70563 Stuttgart<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">Fax:        <a href="tel:%2B49%20711%2067976-11" value="+497116797611" target="_blank">+49 711 67976-11</a><br>
Email:    </span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><a href="mailto:hotline@transsolar.com" target="_blank"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#0563c1">hotline@transsolar.com</span></a></span><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black"><u></u><u></u></span></p>
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</span><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Von:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> TRNSYS-users [mailto:<a href="mailto:trnsys-users-bounces@lists.onebuilding.org" target="_blank">trnsys-users-bounces@lists.onebuilding.org</a>]
<b>Im Auftrag von </b>Rabah DJEDJIG via TRNSYS-users<br>
<b>Gesendet:</b> 05 July 2016 15:46<br>
<b>An:</b> <a href="mailto:TRNSYS-users@lists.onebuilding.org" target="_blank">TRNSYS-users@lists.onebuilding.org</a><br>
<b>Betreff:</b> [TRNSYS-users] Outside temperature of an external wall at time XXX not converged!<u></u><u></u></span></p><div><div class="h5">
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Courier New"" lang="EN">Dear all,</span><span style="font-family:"Courier New""><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"" lang="EN">Please, can any one help me to fix this problem:</span><span style="font-family:"Courier New""><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"" lang="EN"><br>
For some reason, I try to do the following operation on the outside surface (S1) of an external wall (with type 56 and an equation):<br>
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surf. gain outside_S1 = <i>Quser</i>+QSKY_S1-ABS*IT_S1-HCONVO_S1*AREA_S1*(TAMB-TSO_S1)</span><span style="font-family:"Courier New""><u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Courier New"" lang="EN">i.e. eliminate on this surface all gains calculated automatically by Type 56 and add instead a user defined gain Quser.<br>
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</span><span style="font-family:"Courier New""><br>
</span><span style="font-family:"Courier New"" lang="EN">This seems to work perfectly at the beginning of the simulation before arising this error:<br>
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Message: outside temperature of 1 (external) wall in zone 1 at time  2419.00 not converged!</span><span style="font-family:"Courier New""><u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Courier New"" lang="EN">I tried to modify Convergence tolerance, to change the components torder, etc ...
</span><span style="font-family:"Courier New"">fruitlessly<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">Best regards,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">Rabah<u></u><u></u></span></p>
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