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[EnergyPlus_Support] Building Overhangs
Hi, I am using E+ 1.0.2 and attempting to model a simple building
with an overhanging roof construction that casts shadows on all
external walls.
According to the documentation, specifying and oversized roof will
not work in considering the shading effects, that the overhangs
should be modelled as surface:shading:detached (since the overhang
casts shadows on more than 1 surface).
My 2 questions are:
1. How do I account for the thermal makeup of the overhanging
portions of the roof since defining it as a surface:shading in E+
does not do so? (The roof I'm modelling consists of several layers)
2. What is the difference between Surface:Shading:Detached,
Surface:Shading:Detached:Fixed and Surface:Shading:Detached:Building?
>From the documentation it seems they are the same?
Thank you.
Cheers,
HUANG Yi Chun
Research Assistant
Department of Architecture
National University of Singapore
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