[TRNSYS-users] TRNSYS crashes with no error message, but a lot of warnings refering to the PSYCHROMETRICS routine

[David BRADLEY]

Knut Erik,

   Can you please send me the project and any files needed in order to 
run it? This sounds like something that will take a Fortran 
compiler/debugger to resolve.

best,

  David


On 05/13/2019 06:22, Knut Erik Enerstvedt wrote:
> David and C K Le,
>
> Thanks for your advice regarding my problem. I have now managed to 
> trace the error to a specific component or group of components, and 
> the simulation runs without crashing when I turn them off. I still 
> have to find what is wrong with those components, but it's easier when 
> you know where to look.
>
> Best regards
> Knut Erik Enerstvedt
> Gether AS
>
> fre. 3. mai 2019 kl. 02:27 skrev C K Lee <a8304506 at graduate.hku.hk 
> <mailto:a8304506 at graduate.hku.hk>>:
>
>     Dear Knut.
>
>     My experience is that the most possible causes of so many warnings
>     are
>     due to inappropriate fluid mass flowrates and/or insufficient thermal
>     capacitances in the fluid streams.  You may trace the problems in
>     these
>     directions.
>
>     Best Regards
>     C K Lee
>     Research Fellow
>     City University of Hong Kong
>
>
>     On 2019-05-02 21:59, David BRADLEY via TRNSYS-users wrote:
>     > Knut,
>     >
>     >   In migrating to 64-bit architecture we have run into some
>     situations
>     > where the 32-bit version managed to get through an iteration
>     while the
>     > 64-bit version doesn't. Can you please send me the project and
>     all the
>     > files needed in order to run it so that I can have a look where
>     it is
>     > getting hung up?
>     >
>     > thank you,
>     >
>     >  David
>     >
>     > On 05/02/2019 04:38, Knut Erik Enerstvedt via TRNSYS-users wrote:
>     >
>     >> Hello,
>     >>
>     >> When running a simulation, TRNEXE crashes after a while without
>     >> displaying any error message. Usually it pops up a box saying there
>     >> is an error, but now it just freezes with a "Program not
>     responding"
>     >> message in the top of the window. When I close the program, the log
>     >> file window appears. It shows no errors, but a lot of warnings
>     >> saying that "The referenced UNIT has called the PSYCHROMETRICS
>     >> routine with conditions outside the intended range of the dew point
>     >> temperature correlation. The correlation from the 1981 ASHRAE
>     >> fundamentals handbook is for the temperature range of -60 C to 70
>     >> C." These warnings refer to units of Type 670 and 995 (TESS heating
>     >> and cooling coil). I have tried to increase the setting "number of
>     >> warnings before error" as a work around, since I can't understand
>     >> why these warnings appear. I also do not know if these warnings are
>     >> the reason why TRNEXE crashes, since there is no error message
>     >> saying that they are, but I have no other clues.
>     >>
>     >> I would appreciate if anyone has an idea why this happens. My
>     TRNSYS
>     >> version is 18.01.0000.
>     >>
>     >> Best regards
>     >>
>     >> Knut Erik Enerstvedt
>     >>
>     >> Gether AS
>     >>
>     >> _______________________________________________
>     >> TRNSYS-users mailing list
>     >> TRNSYS-users at lists.onebuilding.org
>     <mailto:TRNSYS-users at lists.onebuilding.org>
>     >>
>     >
>     http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org
>     >> [1]
>     >
>     > --
>     > ***************************
>     > David BRADLEY
>     > Principal
>     > Thermal Energy Systems Specialists, LLC
>     > 3 North Pinckney Street - suite 202
>     > Madison, WI 53703 USA
>     >
>     > P:+1.608.274.2577
>     > F:+1.608.278.1475
>     > d.bradley at tess-inc.com <mailto:d.bradley at tess-inc.com>
>     >
>     > http://www.tess-inc.com [2]
>     > http://www.trnsys.com [3]
>     >
>     >
>     > Links:
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>     > [1]
>     >
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
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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