[TRNSYS-users] Converging error

王洋 wanghongyang1767 at gmail.com
Thu Sep 27 02:49:26 PDT 2012


Dear all,

I met a converging error when I changed simulation time step 1 hour into
0.1 hour or 0.2 hour or 0.01 hour as follows:

*** Fatal Error at time   :      3972.000000
    Generated by Unit     :    56
    Generated by Type     :    56
    Message               : outside temperature of    2(external) wall in
zone   1at time  3972.00 not converged!

Please tell me some possible solutions for that if you know. The attached
is its Listing File.

Many thanks in advance!
Br.

wang




2012/9/27 <trnsys-users-request at cae.wisc.edu>

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>    1. Doctoral Fellowships at TERI University, India (R.K. Singh)
>    2. problem with iterations?? (Karol Bandurski)
>
>
> ---------- 已转发邮件 ----------
> From: "R.K. Singh" <singh.ramkishore at gmail.com>
> To: TRNSYS-users at cae.wisc.edu
> Cc:
> Date: Thu, 27 Sep 2012 10:04:34 +0530
> Subject: [TRNSYS-users] Doctoral Fellowships at TERI University, India
> TERI University is currently inviting applications for Doctoral programmes
> in  Bioresources/Biotechnology;Natural Resource Management, Energy and
> Environment and Regulatory and Policy studies for semester starting january
> 2013. A range of scholarship opportunities  are also available  for the
> students in specific areas, the details of which can be accessed through
>  the following link.
> http://teriuniversity.ac.in/index.php?option=com_content&view=article&id=54
> The last date for application is October  31st, 2012. The details
> regarding fee, eligibility and other requirements can be accessed through
> http://teriuniversity.ac.in/index.php?option=com_program
>
> For any further details please get in touch with Dr. Sapna A Narula,
> Associate Professor sapna.narula at teriuniversity.ac.in.
>
> ***********************************************
> Dr. Ramkishore Singh
> Department of Energy & Environment
> TERI University
> Tel: 91-11-26122222, Ext. 1302
> Fax: 91-11-26122874
> Web: www.teriuniversity.ac.in
> ***********************************************
>
>
>
>
> ---------- 已转发邮件 ----------
> From: "Karol Bandurski" <karol.bandurski at put.poznan.pl>
> To: <trnsys-users at cae.wisc.edu>
> Cc:
> Date: Thu, 27 Sep 2012 10:46:49 +0200
> Subject: [TRNSYS-users] problem with iterations??
>
> Dear All,****
>
> ** **
>
> I try to simulate dwelling with natural ventilation. I set some algorithm
> for window opening and ideal heating for colder part of year for each zone
> with set temperature depending on time of day.****
>
> ** **
>
> When I run my yearly simulation it stop in one moment and TRNEXE is
> frozen… There is even no error! Then I can only turn off TRNEXE.****
>
> ** **
>
> Only think what appear (many times) in .lst file is****
>
> ** **
>
> Notice: More than 6 iterations for internal regulation HEATING/COOLING.***
> *
>
> ** **
>
> I will be grateful for any advice!****
>
> ** **
>
> I enclose .lst file.****
>
> ** **
>
> Regards,****
>
> ** **
>
> ------------------------------------------------****
>
> Karol Bandurski MSc.****
>
> Institute of Environmental Engineering <http://www.ee.put.poznan.pl/>****
>
> Poznan University of Technology****
>
> www.ee.put.poznan.pl****
>
> www.put.poznan.pl****
>
> ** **
>
> _______________________________________________
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