[EnergyPlus_Support] Shading Related Questions

["petervipac" <peterh@xxxxxxxxxxxx>]

Hi all,

I am using energy plus to model the effect of shading of some 3D 
geometries upon walls/facades.  I am comparing the solar beam incident 
on external surfaces before and after a shading device is installed (eg 
awning).  Some questions arised while I was reading the Engineering 
Reference:

1. Does EP handle tilted/polygon shading devices (eg a sail/awning)?

2. What is the smallest geometrical entity which EP can handle for 
shading calculation?  For example, if I break down the awning into 
smaller pieces to resemble the warped surface the sail, is there a 
limitation of how small each individual "piece" can be?

3. This is related to question 2: What is the "resolution" of EP's 
shading calculation?  I noticed that EP doesn't give the user any sort 
of "mesh" control.  Does that mean it's up to the user to refine 
the "mesh" (geometry) themselves?

Oh I end up putting in a lot of questions. :P  Could someone please 
help me out?  Thank you in advance!

Regards,
Peter Huang





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