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<p class="MsoNormal"><span style="color:#1F497D">Dear Verdiana,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo3"><![if !supportLists]><span lang="EN-US" style="color:#1F497D"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:#1F497D">To add a new wall and keeping the possibility of using the detailed radiation computation. You have to export the
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US" style="color:#1F497D">TRNBuild model to an idf File and add the wall in SketchUp. Afterwards you can re-import and define
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US" style="color:#1F497D">the wall as a coldbridge.<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo3"><![if !supportLists]><span lang="EN-US" style="color:#1F497D"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:#1F497D">The shm file is used, when it exists (and when it is named as your b17 file) , no matter if you choose the 3D Mode, the mixed mode or manual mode. You can check in the list file if the
shm file is used, this message will occure.<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US" style="color:#1F497D">*** Notice at time : 0.000000<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US" style="color:#1F497D"> Generated by Unit : 14<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="color:#1F497D"> Generated by Type : 56<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US" style="color:#1F497D"> Message : Shading mask file *.shm for external windows exists and will be used.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> <o:p>
</o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="color:#1F497D">The difference is that vfm and ism matrices can’t be used in the mixed mode.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="color:#1F497D">Regards
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><i><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">__________________________________________________________________________________________________<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">Jochen Lam<o:p></o:p></span></i></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">TRNSYS Software Team<o:p></o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE"><br>
</span></i><b><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">Transsolar Energietechnik GmbH<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">Curiestraße 2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">70563 Stuttgart<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">Fax:
</span><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">+49 711 67976-11<br>
Email: <a href="mailto:jlam@transsolar.com">jlam@transsolar.com</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">Web: <a href="http://www.trnsys.de">www.trnsys.de</a>
</span><span style="color:#1F497D;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE">Von:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE"> trnsys-users-bounces@cae.wisc.edu [mailto:trnsys-users-bounces@cae.wisc.edu]
<b>Im Auftrag von </b>Verdiana Russo<br>
<b>Gesendet:</b> Montag, 10. März 2014 17:00<br>
<b>An:</b> trnsys-users@cae.wisc.edu<br>
<b>Betreff:</b> [TRNSYS-users] Coldbridge effect and mixed geometry model<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Dear TRNSYS Users, <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I have two questions about building simulation.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">I would like to introduce some coldbridge effects in a building model, created with Trnsys3D-SketchUp.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">As I see, a way to do it is to add a new wall to the zone, and define it as Coldbridge.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">To do this, the program asks me to change the geometry model from “3D” to “manual” or “mixed”.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">But in this way I lose the possibility to simulate with detailed internal and external radiation mode.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">Do you know if there is another way to consider coldbridge effects, which functions with detailed radiation mode?<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">Is there anyone who tried to do it?
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">In Volume 5 of the TRNsys Manual the difference between “3D”, “manual” and “mixed” geometry mode is explained.<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">In “mixed” mode it says that only detailed external shading is considered.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">As I understand from this, if I use this mode, I should need the shading matrix file to run the simulation and to consider external shading.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">But I tried to run the simulation pulling out the .shm file from the folder where the .b17 file is, and the simulation runs without errors.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">So I think that it does not need .shm file to function.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">I pulled out the .ism, .shd too, and I see that it does not use them too.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US">So, my question is: how does “mixed” mode consider detailed external shading?
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks and best regards, <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Verdiana Russo<o:p></o:p></span></p>
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