Translating Building Information Modeling to Building Energy Modeling Using Model View Definition

Table 1

Classes and parameters adapted from LBNL Modelica Buildings library [9].

Classes	Object properties
	Name	Description
MixedAir models a room with completely mixed air for heat transfer through a building envelop.; The room consists of any number of construction types and surfaces for heat exchange through convection, conduction, and infrared radiation and solar radiation.	Medium	The medium information of a room air such as gas, most air, and dry air.
	aFlo	The floor area attached to a room.
	hRoo	The roof area attached to a room.
	datConExt	Opaque surfaces.
	nConExt	Number of datConExt.
	datConExtWin	Opaque surfaces with windows.
	nConExtWin	Number of datConExtWin.
	datConPar	Interior partitions in a thermal zone.
	nConPar	Number of datConPar.
	datConBou	Opaque surfaces on interior walls between thermal zones.
	nConBou	Number of datConBou.
	surBou	Opaque surfaces on the same interior walls between thermal zones.
	nSurBou	Number of SurBou.
	nPorts	Number of ports that constructs equations to simulate physical processes.
	Latitude	Latitude information of a room.
	energyDynamics	The information of fluid types in networks of vessels, pipes, fluid machines, vales, and fittings.
	linearizeRadiation	A setting value whether to linearize emissive power or not.
Opaque constructions describe material definitions for constructions with one or more layers of material.	matLayExt	Construction material for exterior walls.
GlazingSystem describes thermal properties for glazing systems.	nLay	Number of glass layers.
	haveExteriorShade	A setting value whether a window has an exterior shade or not.
	haveInteriorShade	A setting value whether a window has an interior shade or not.
	Glass	Thermophysical properties for window glass.
	Gas	Thermophysical properties for window gas fills.
	uFra	-value of frame.
	absIRFra	Infrared absorptivity of window frame.
	absSolFra	Solar absorptivity of window frame.
DoorDiscretizedOpen describes the bidirectional airflow through an open door.	Medium	The medium information of the room airflow through an open door.
	Width	Width of opening
	Height	Height of opening