BUILDING

Describes parameters that are used during the simulation of the building. There are necessary correlations between the entries for this object and some entries in the Site:WeatherStation and Site:HeightVariation objects, specifically the Terrain field.

Name

Default: NONE

North Axis

Type: real number
Degrees from true North
Unit: deg
Default: 0.0
Values in example files: from -90.0 deg to 180.0 deg

Terrain

Type: choice (Country, Suburbs, City, Ocean or Urban)
Country=FlatOpenCountry | Suburbs=CountryTownsSuburbs | City=CityCenter | Ocean=body of water (5km) | Urban=Urban-Industrial-Forest
Default: Suburbs

Loads Convergence Tolerance Value

Type: real number
Loads Convergence Tolerance Value is a change in load from one warmup day to the next
Unit: W
Maximum: .5
Default: .04
Values in example files: from 0.001 W to 0.06 W

Temperature Convergence Tolerance Value

Type: real number
Unit: deltaC
Maximum: .5
Default: .4
Values in example files: from 0.004 deltaC to 0.4 deltaC

Solar Distribution

Type: choice (MinimalShadowing, FullExterior, FullInteriorAndExterior, FullExteriorWithReflections or FullInteriorAndExteriorWithReflections)
MinimalShadowing | FullExterior | FullInteriorAndExterior | FullExteriorWithReflections | FullInteriorAndExteriorWithReflections
Default: FullExterior

Maximum Number of Warmup Days

Type: integer
EnergyPlus will only use as many warmup days as needed to reach convergence tolerance. This field's value should NOT be set less than 25.
Default: 25

Minimum Number of Warmup Days

Type: integer
The minimum number of warmup days that produce enough temperature and flux history to start EnergyPlus simulation for all reference buildings was suggested to be 6. However this can lead to excessive run times as warmup days can be repeated needlessly. For faster execution rely on the convergence criteria to detect when warmup is complete. When this field is greater than the maximum warmup days defined previous field the maximum number of warmup days will be reset to the minimum value entered here. Warmup days will be set to be the value you entered. The default is 1.
Default: 1