[TRNSYS-users] Parametric study

David BRADLEY d.bradley at tess-inc.com
Fri Jun 18 07:50:36 PDT 2021


Patricia,

   Once you open the *.dck in TRNEdit, you can just change the block 
that reads:

EQUATIONS 2
AColl = 4.0
DHWDailyLoad = 200

to

CONSTANTS 2
AColl = 4.0
DHWDailyLoad = 200

While the TRNSYS engine and the parametric table part of TRNEdit make a 
distinction between CONSTANTS and EQUATIONS the Studio does not.

The access violation error is (I think) an old bug that has been fixed. 
I would recommend you contact your distributor to make sure that you are 
using the latest version.

kind regards,

  David


On 06/18/2021 08:54, Monzó, Patricia via TRNSYS-users wrote:
>
> Hi,
>
> My aim is to implement a parametric study. My first question is:
>
> What  is the difference between implementing in the Simulation studio  
> -> Calculate -> Parametric Study and in TRNEdit?
>
> I have tried to implement it  using TRNEdit according to the 
> instruction in the Manual.
>
> I have followed the example in the library  and I have a questions 
> regarding the definitions of the Constants
>
> Which I figured out that it comes from the file .tpf
>
> 	
>
> When I  tried to implement it in a similar way I don’t get in .dck 
> file the definition of the parameters of interest as Constants. They 
> come as “equations”.
>
> Did I miss any step in the preparation of the .dck file?
>
> When I tried to run my file I  get and “access violation error”.
>
> Thanks in advance,
>
> /Patricia
>
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at lists.onebuilding.org
> http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org

-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI  53703 USA

P:+1.608.274.2577
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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