[TRNSYS-users] jEPlus for TRNSYS parametrics

[Avesani Stefano]

Dear all,

Any news concerning the use of jeplus for parametric changes in the *.bui (and not just in the *.dck) of a trnsys project?

Thanks a lot
Best regards

Stefano

Stefano Avesani
Institute for Renewable Energy

EURAC research
Viale Druso 1, I-39100 Bolzano
t +39 0471 055 654
f +39 0471 055 699
stefano.avesani at eurac.edu<mailto:petra.muster at eurac.edu>
www.eurac.edu<http://www.eurac.edu/>

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From: trnsys-users-bounces at cae.wisc.edu [mailto:trnsys-users-bounces at cae.wisc.edu] On Behalf Of saleh saadi
Sent: Monday, 07 May, 2012 19:59
To: Yi Zhang; bjoern.nienborg at ise.fraunhofer.de
Cc: trnsys-users at cae.wisc.edu
Subject: Re: [TRNSYS-users] jEPlus for TRNSYS parametrics

Dear Dr Zhang,

Thanks for doing this great job!!!.
I used the template file provided with GenOpt (folder is attached).
I tried using this version with TRNSYS 16 and works pretty well and quick (24 parametric runs in less than a minute). Is it possible to add a browsing tab to edit the building file (*.bui).
Although, I could run the parametric files but no output was extracted. In my template file, I normally extract output in a text file but jEPlus could not copy the file or save it in any format. Is there a way to save the text file in the folder file similar to input file. In addition, I can't find the "trnsysout.csv" output file anywhere. Is that enabled in this version?

regards,
saleh alsaadi

________________________________
From: Yi Zhang <YiZhang at dmu.ac.uk<mailto:YiZhang at dmu.ac.uk>>
To: bjoern.nienborg at ise.fraunhofer.de<mailto:bjoern.nienborg at ise.fraunhofer.de>
Cc: trnsys-users at cae.wisc.edu<mailto:trnsys-users at cae.wisc.edu>
Sent: Monday, May 7, 2012 7:58 AM
Subject: Re: [TRNSYS-users] jEPlus for TRNSYS parametrics

Hi Bjoern,

I should provide an example TRNSYS parametric project in the package; I will do that in a couple of days. In the meantime, could you take a look at the E+ example? Just open the project in the example/ folder, and you will see how to specify parameters. Unlike E+, the weather file in a TRNSYS model is normal parameter. You just need to create a parameter and think of a search string (e.g. "@@weather@@") to put in the place of the weather file in the .DCK (or .TRD) file, and then specify the alt. values of the parameter using syntax like "{weather1.txt, weather2.txt, ...}".

Here is quick video of how to use jEPlus (http://www.youtube.com/watch?feature=player_embedded&v=9v8k52IyvV4). Again it is for E+ rather than TRNSYS; but the principle is the same.

Cheers,

Yi

Dr Yi Zhang
IESD, De Montfort University, United Kingdom

________________________________
From: Bjoern Nienborg [mailto:bjoern.nienborg at ise.fraunhofer.de]<mailto:[mailto:bjoern.nienborg at ise.fraunhofer.de]>
Sent: Mon 07/05/2012 14:30
To: Yi Zhang
Subject: Re: [TRNSYS-users] jEPlus for TRNSYS parametrics
Hi Yi,

I just had a short look at it and did not find an option to vary sets of values, e.g. if I vary a location I need to specify the name of the weather data file, the latitude, shift in solar time and possibly some other values. If there is this option and I did not see it, please ignore my comment.

Regards,

björn

Am 07.05.2012 13:43, schrieb Yi Zhang:
Hi all,

jEPlus is an open source parametric tool for managing EnergyPlus simulations. Due to popular demand, support for TRNSYS simulations has been added to the latest version (jEPlus v1.3beta). Please visit http://www.iesd.dmu.ac.uk/jeplus/ for more details. Please note we are currently testing the new version; any comments or suggestions will be much appreciated.

Regards,

Yi

Dr Yi Zhang
IESD, De Montfort University, United Kingdom



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Dipl.-Ing. (FH) Björn Nienborg, M.Sc.

Division Thermal Systems and Buildings

Fraunhofer Institut für Solare Energiesysteme ISE

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