Re: [EnergyPlus_Support] What is the best modelling strategy ? I need help to clarify this issue!!!

[Jason Kirkpatrick <jason.alan.kirkpatrick@xxxxxxxxx>]

It should be modeled as

top floor at correct elevation

gap

middle floor with multiplier at midpoint elevation

gap

ground floor at ground elevation

any below grade structure

also be certain to set ceiling and floor of middle zone to adiabatic, or use the otherside coefficients model and set that as the boundary condition for the floor and ceiling. Also, you can set the middle floor boundary surface to the middle ceiling boundary surface and vice versa, but you will get some warnings.

the really important part is to make sure that the middle floor ceiling and floor boundary conditions are not sun and wind exposed.

the reason that I put the typical floor being multiplied at the average elevation is because energyplus actually calculates the air property variations with elevation.

Hope this helps

Jason

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