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[EnergyPlus_Support] Re: sunlit area too large

Hi, Mike,

Thanks for your reply. I checked the geometry input and did not find 
any problems. I tried to remove the large window on that wall, then 
the error message disappeared. I also noticed that there was a 
warning message "Too many vertices in a shadow overlap". Overlapping 
figure and figure being overlapped are also given. I am not sure if 
it is the cause for this problem. In fact, I do not understand what 
this warning means.


--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Michael J. Witte" 
<mjwitte@g...> wrote:
> Sunlit area too large warnings sometimes indicate that there is a 
> problem with your geometry.  Turn on "report, surfaces, details" 
> verify that all surfaces are facing in the proper direction.  Check 
> especially for horizontal surfaces that may be upside down.  For 
> future reference, please let me know what you find.
> Mike
> On 18 Mar 2003, at 21:40, zhaicq98 wrote:
> <snip>
> > Another problem I encountered is when I tried to simulate a glass
> > curtain wall, I got an error message which said sunlit area too 
> > I had a wall which was 14m high, and I made a large window (13.8m
> > high) on it. I tried to make the window a little smaller (12.5m 
> > and I also tried to split the large window into three small ones, 
> > in both cases I still got this error message. 
> > 
> > Can anyone give me some hints on these two questions?
> > 
> > Thank you,
> > Chaoqin
> ========================================================
> EnergyPlus Testing and Support      
> EnergyPlus-Support@g...

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