[EnergyPlus_Support] Question on Building North and actual north.

["Shantanu P" <shanky217@xxxxxxxxxxx>]

Hi all,
This question is regarding the Building input. In the input field I see 
there is one entry which says Field north axis to be specified. What is 
meant by the field north axis? Suppose we have a building whose north wall 
is at an angle of 30 degrees with horizontal (East-west). So the wall normal 
would be at an angle of 30 degrees with actual North axis. Is this the angle 
meant by field north axis? If that is actually the field angle, what is the 
need for specifying the angle, when the vertices are specified in the 
surface geometry (Assuming that the co-ordinates are fixed as East-west and 
North south).

Thanks for clarification.

Shantanu




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