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RE: [EnergyPlus_Support] InternalMass and Solar gain




Dear Hayes,



Assuming that you have defined your building geometry and materials properly, you have two possibilities, I think:

·         Check the InternalMass object..  You can add this object independently of geometry.  All it does is add mass for the energy balance / heat transfer performed by E+.  It does NOT get affected by incident solar radiation.

·         The other possibility is to add walls to your model.  These, of course, have mass which is defined by you and also have a location in the model.  Thus, they ARE affected by incident solar, as are all floors and ceilings. (but they slow down calculations L)

·          



The Building Performance Team
James V. Dirkes II, P.E., BEMP , LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
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