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Re: [EnergyPlus_Support] RE: 2.5 year run



The fatal is much better than a crash, but "may" not be graceful enough..  EnergyPlus outputs data into the eso file as stream of consciousness, so after 2.5 years you would have that data in the <file>.eso file.  But ReadVarsESO *may* not like that there was a fatal error, and it *may* complain when trying to generate the <file>.csv file.  It is certainly worth a try!  Since your sim takes so long, just have EMS fatal after 1 day of the first year and see if the <file>.csv file is created properly.  If so, go ahead and run the full 2.5 years.

Edwin

On Fri, Jul 30, 2010 at 12:14, Edward G. Lyon <eglyon@xxxxxxx> wrote:
 

Thank you I'll try that. It was not clear to me that @FatalHaltEp would perform a graceful shutdown...



Ned Lyon, P.E. (MA)
Staff Consultant

Simpson Gumpertz & Heger

781.907.9000 main
781.907.9350 direct
781.907.9009 fax
www.sgh.com

-----Original Message-----
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Griffith, Brent
Sent: Friday, July 30, 2010 12:22 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] RE: 2.5 year run

As far EMS, calling the Built-in function @FatalHaltEp should shut down the simulation gracefully with standard reporting intact. The built-in variables "Year" and "DayOfYear" would be helpful. There is an example file called EMStestMathAndKill.idf.
________________________________________
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Edward G. Lyon [eglyon@xxxxxxx]
Sent: Friday, July 30, 2010 9:12 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] 2.5 year run

I would like to run a model with 2.5 years of actual weather data in one pass (stopping to warm up again is not a good option). It appears from what I've read that I can run 3 years (integer value for number of times run period repeated). I did not find an EMS component that could stop the run without crashing it, which I assume means no data processing. Running 3 years takes between 5 and 7 hours depending on the machine I use so there is some time savings if I can clip 0.5 year off the calculation. Anyone have a suggestion?

Ned Lyon, P.E. (MA)
Staff Consultant

SIMPSON GUMPERTZ & HEGER
| Engineering of Structures and Building Enclosures

41 Seyon Street, Bldg. 1, Suite 500
Waltham, MA 02453

781.907.9000 main
781.907.9350 direct
781.907.9009 fax
www.sgh.com<http://www.sgh.com>

------------------------------------

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Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx

The primary EnergyPlus web site is found at:
http://www.energyplus.gov

The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/

Attachments are currently allowed but be mindful that not everyone has a high speed connection.  Limit attachments to small files.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.



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