[TRNSYS-users] online plotter in CombiSys

[David BRADLEY]

Shuai,
   The *** syntax is a special code recognized by the TRNSYS input file 
processor to mean "append the name of the input file onto the specified 
extension"

before modification of the input file, you should find files called 
combisys.ou1, combiSys.ou2, etc.

   By deleting one of the three asterisks the processor now thinks that 
the output file names should be:

**.ou1, **.ou2. It will no longer append the name of the input file onto 
the specified extension.
Best,
  David


On 4/3/2012 21:38, Shuai Deng wrote:
> Dear all,
>
> I downloaded  Combisys demo and found it is pretty easy to use as an 
> education tool
> to show the basic operation of solar combi-system.
> I even discussed with some students in my lesson about the content of 
> trd file,
> sth like: how the data transfer between types, and how to add our 
> cities into the demo to extend its function,
> and how to add some solar collector types they obtained from google to 
> the demo.
> To be honest, I can feel they really like this demo.
> One of them asked me a question about how to output the results of two 
> online plotters in the system.
> Actually, the system, described in combisys.trd demo file, contains:
>
> a. 2 online plotters: unit 41, type 65, output file: Assign ***.ou1
>                               unit 45, type 65, output file: Assign 
> ***.ou2
> They are mainly used for showing the operation information of the system.
> In the original content of combisys.trd file, they are set "no need to 
> output result file", just used as two "monitors".
>
> b. Unit 51, Type 24, Monthly Integrator + Unit 52, Type 25, Printer
> they can be considered as two partners, and work together to output 
> file:  Assign ***.out
>
> c. Unit 50 Type 28 Simulation Summary
> output file: Assign ***.sum
>
> The thing is
> we remove the "*" before the output statement "Assign ***.ou1" and ou2 
> in the related groups of online plotters, so that the demo can output 
> these two result  files.
> however, we found no data is in the ou1 and ou2 file, they are blank.
> and other output files works.
>
> So, we did some assumption analysis ( actually, it likes a simple 
> brain storm ) about why it happens:
> a.  no data are calculated out by demo: that is not true, because 
> online plotter works very, both of them. all the performance curves 
> are shown every calculation step.
> b. online plotters only show the results, not record the data into 
> output file:
>
> we thought that is also not true. The script regarding the online 
> plotter is shown below:
>
> *|[OL2|
> *
> *
> Unit 45 Type 65 Online plotter
> *
> Parameters 10 ! Here shows 10 parameters of type 65, OFF=0 means 
> display online; LU=-1 , we guess it is means logical unit =-1?
> *
> *NbLeft   NbRight   LeftMin   LeftMax   RightMin  RightMax
> 6         2         0.0       100000000 0.0       100.0
> *NbPlots  XGridPts  OFF       LU
> 1         10        0         -1
> *
> Inputs 8
> *
> 44,1      44,2        44,5       44,6       44,7      44,4     
>  EFFCOLL  SOLFRAC
> ESol      EAux        EMains     EDHW       EHouse    ELossTank EffCol 
>   SolFrac
> *
> *
> Labels 5
> *
> kJ %
> Energy
> Percentage
> Integrated
> *
> Assign ***.ou2 22 ! here we just remove the header sign "*".
> *
> *|]
>
> c. this online plotter is type 65c, means a online plotter without 
> file:  because "assign" statement has already been contained, so it 
> seems not to be a right answer.
> d.  the post-processing will erase the data in the ou1 and ou2 files: 
> that is a interesting idea from one student,  but we checked the "out" 
>  folder, bat and txt file did not support this assumption.
>
> In a summary, we have no idea about why two output files-ou1 and ou2 
> are blank.
> Thus, I send this email to all of you for a help.
> Any comments and advise will be helpful to us.
>
> Thanks,
>
>
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at cae.wisc.edu
> https://mailman.cae.wisc.edu/listinfo/trnsys-users

-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com

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

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