Re: [EnergyPlus_Support] Crashed file for illuminance map generation

["Michael J. Witte" <mjwitte@xxxxxxxx>]

Lee:

When I first ran this on my machine it crashed due to "insufficient virtual 
memory".  Please run this file in ep-launch with "View-->Pause During 
Simulation" selected and confirm if you receive a similar error message.

If so, this means that you need to increase the size of your virtual memory 
page file.  In Windows 2000, the procedure is as follow:

Go to the control panel (Start --> Settings --> Control Panel)
Open the System control panel
Select the Advanced tab
Select Performance Options
Under Virtual Memory select Change

In this dialog, you can set the sizes for paging files on each hard drive.  
Your file is now running on my machine.  With some other applications open, the 
Task Manager (right-click the toolbar and open task manager) says I'm using 
nearly 1.4 GB of memory.  The big jump in memory came when the message 
"Calculating Daylighting Factors" showed in the EnergyPlus window.  It's been 
at that point for over an hour now.  You'll need to set your total paging file 
maximum size plus physical RAM to be greater than 1.4 GB in order for this to 
run.

Mike




On 10 Dec 2003, at 15:04, Wong, S L wrote:

> Mike,
> 
> The problem has been fixed. After that I've simulated a 40-storey building. Each
> floor consists of four parameter zones which are the North, East, South and
> West, so total no. of zones with daylighting control are 160. I followed your
> instructions to generate illuminance maps of these zones and the run period is
> from 1/1 to 12/31 hourly. After simulation, the file was crashed again. Is it
> any limitation of E+ in generating illuminance maps (i.e. nos of zones, nos. of
> day, etc.)? How can I fix it again?
> 
> Thanks
> 
> lee
> 
> At 11:51 AM 12/3/2003 -0600, you wrote:
> >There is an error in the zone pointers used to grab the reference point
> >coordinates which are included in the illuminance map output.  These 
> >reference
> >point coordinates will only be correct if the ZONE object list is parallel to
> >the DAYLIGHTING:DETAILED object list.  Note that these coordinates are only
> >listed for reference and do not impact the values in the illuminance map.
> >
> >In your case, the bad pointers lead to an array subscript error.  To fix this
> >problem, change the order of your ZONE objects to match the order of your
> >DAYLIGHTING:DETAILED objects.  In your file, the first ZONE object should be
> >GFSP-N, then GFSP-E, GFSP-S, GFSP-W which is what you have.  But then the next
> >ZONE objects should be SP-N, SP-E, SP-S, SP-W, RFSP-N, RFSP-E, RFSP-S, RFSP-W.
> >
> >Mike
> >
> >
> >On 3 Dec 2003, at 10:23, leeslwong wrote:
> >
> > > I've just uploaded a input file (new.idf) for daylighting simulation
> > > for a 3-storey building. I add the "illuminance map" function into my
> > > file. After running, it crashed. I wonder if anyone can tell me what
> > > the problem is and how it can be fixed.
> > >
> > > Thanks
> > >
> > > lee
> > >
> > >
> > >
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> >
> >========================================================
> >Michael J. Witte, GARD Analytics, Inc.
> >EnergyPlus Testing and Support
> >EnergyPlus-Support@xxxxxxxx
> >
> >
> >
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx


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