[TRNSYS-users] R: Create a new type

[David BRADLEY]

Tiziano,
   If I may ask, it seems to me that a rain water storage tank could be 
modeled using Type39 variable volume liquid storage tank. I'd be 
interested to know what features type39 is lacking for the application 
that you are working on.
Kind regards,
  David


On 4/23/2012 03:40, Tiziano Terlizzese wrote:
> Dear all,
>
> I'm trying to create a new type, a water tank, using g95 as compiler. Running my script into g95 (the script is in attachment) the only error I get now is  "undefined reference to `trnsysfunctions_MP_getsimulationstarttime'".
> Any suggestion?
> Thanks,
>
> Tiziano
>
> Università di Bologna
> Dipartimento di Ingegneria Energetica Nucleare e del Controllo Ambientale - DIENCA
> Via del Risorgimento, 2 - 40136
> Bologna - Italia
> ________________________________________
> Inizio: jeannieboef [jeannieboef at googlemail.com]
> Inviato: venerdì 30 marzo 2012 18.24
> Fine: David BRADLEY
> Cc: Tiziano Terlizzese; trnsys-users at cae.wisc.edu
> Oggetto: Re: [TRNSYS-users] Create a new type
>
> Beware! I'm currently trying with g95. As a start the guidelines are
> good, but I have found a few problems that are not mentioned there.
> Find the gg95 google group. search for DMOD to find my conversation. I
> have also posted to this group, but I'm having a bouncing problem atm.
> Since that guild has been written there have been updates to the
> constants, data, and functions modules  which should be included in
> your type code. I would take the source code for these and adjust and
> compile them one by one until they compile without error. As I've
> said, my type compiles fine and runs, but is not working properly. I
> suspect the problem is with the old !DEC$ attributes dllexport::...
> statement which is ignored as a comment by g95. The gcc 4.x.x
> directive has suggested !gcc$ as an easy replace for !DEC$, which
> works a little better, but I'm still having problems. The type
> subroutine and some functions are missing an entry point pointer and
> information gets lost. I've not solved this issue yet and am a bit out
> of my depth here. I think a basic input output function will work fine
> without the pointers.
>
> Let me know if anyone has working compiled by g95 source code to
> share. I'll post mine when and if it ever works.
>
> goodluck
>
> Sent from my iPhone
>
> On 30.03.2012, at 17:19, David BRADLEY<d.bradley at tess-inc.com>  wrote:
>
>> Tiziano,
>>   I am not entirely sure that I understand your question. Fortran 90
>> is a language while Compaq Visual Fortran is a compiler. Most Types
>> in Trnsys16 were written Fortran77 language conventions but some
>> where written using Fortran90 conventions; the two language
>> conventions should be able to interact with each other without
>> problems.
>>
>>   Whichever set of language conventions you choose, you need some
>> kind of compiler that can create a DLL containing the source code
>> for your Type. Some users have succeeded in using the free G95
>> compiler to make user Types. There is a tutorial available at: http://sel.me.wisc.edu/trnsys/downloads/tutorials_and_examples/tutex17.htm
>> . While the tutorial is written based on Trnsys17, most of it
>> applies to Trnsys16 as well.
>>
>> Kind regards,
>> David
>>
>> On 3/30/2012 04:14, Tiziano Terlizzese wrote:
>>> Dear trnsys users,
>>>
>>> I need to create a new type, a rain water tank. It seems that the
>>> only way to create a new type is to have at disposal COMPAQ Visual
>>> Fortran. Is that correct? Can't you use FORTRAN 90 instead of
>>> compaq visual fortran?
>>> The problem I faced in using fortran 90 is that transys constants
>>> are not already implemented into it. Is there a way out that won't
>>> imply to buy Compaq Visual Fortran? I have TRNSYS 16 version.
>>>
>>> Thank you in advance for your help.
>>> Greetings,
>>>
>>> Tiziano Terlizzese
>>>
>>> Università di Bologna
>>> Dipartimento di Ingegneria Energetica Nucleare e del Controllo
>>> Ambientale - DIENCA
>>> Via del Risorgimento, 2 - 40136
>>> Bologna - Italia
>>> _______________________________________________
>>> 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
>>
>> _______________________________________________
>> TRNSYS-users mailing list
>> TRNSYS-users at cae.wisc.edu
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>>
>>
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-- 
***************************
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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