IFC 4.3.2.20240904 (IFC4X3_ADD2) under development

8.11.2.15 IfcDerivedUnitEnum

8.11.2.15.1 Semantic definition

IfcDerivedUnitEnum is an enumeration type for allowed types of derived units.

8.11.2.15.2 Type values

Type Description
ACCELERATIONUNIT

Acceleration unit

ANGULARVELOCITYUNIT

Angularvelocity unit

AREADENSITYUNIT

Area density unit

COMPOUNDPLANEANGLEUNIT

Compound plane angle unit

CURVATUREUNIT

Curvature unit

DYNAMICVISCOSITYUNIT

Dynamic viscosity unit

HEATFLUXDENSITYUNIT

Heat flux density unit

HEATINGVALUEUNIT

Heating value unit

INTEGERCOUNTRATEUNIT

Integer count rate unit

IONCONCENTRATIONUNIT

Ion concentration unit

ISOTHERMALMOISTURECAPACITYUNIT

Isothermal moisture capacity unit

KINEMATICVISCOSITYUNIT

Kenematic viscosity unit

LINEARFORCEUNIT

Linear force unit

LINEARMOMENTUNIT

Linear moment unit

LINEARSTIFFNESSUNIT

Linear stiffness unit

LINEARVELOCITYUNIT

Linear velocity unit

LUMINOUSINTENSITYDISTRIBUTIONUNIT

Luminous intensity distribution unit

MASSDENSITYUNIT

Mass denisity unit

MASSFLOWRATEUNIT

Mass flowrate unit

MASSPERLENGTHUNIT

Mass per length unit

MODULUSOFELASTICITYUNIT

Modulus of elasticity unit

MODULUSOFLINEARSUBGRADEREACTIONUNIT

Modulus of linear subgrade reaction unit

MODULUSOFROTATIONALSUBGRADEREACTIONUNIT

Modulus of rotational subgrade reaction unit

MODULUSOFSUBGRADEREACTIONUNIT

Modulus of subgrade reaction unit

MOISTUREDIFFUSIVITYUNIT

Moistere diffusivity unit

MOLECULARWEIGHTUNIT

Molecular weight unit

MOMENTOFINERTIAUNIT

Moment of inertia unit

PHUNIT

PH Unit

PLANARFORCEUNIT

planar force unit

ROTATIONALFREQUENCYUNIT

Rotational frequency unit

ROTATIONALMASSUNIT

Rotational mass unit

ROTATIONALSTIFFNESSUNIT

Rotational stuffness unit

SECTIONAREAINTEGRALUNIT

Section area integral unit

SECTIONMODULUSUNIT

Section modulus unit

SHEARMODULUSUNIT

Shear modulus unit

SOUNDPOWERLEVELUNIT

Sound power level unit

SOUNDPOWERUNIT

Sound power unit

SOUNDPRESSURELEVELUNIT

Sound pressure level unit

SOUNDPRESSUREUNIT

Sound pressure unit

SPECIFICHEATCAPACITYUNIT

Specific heat capacity unit

TEMPERATUREGRADIENTUNIT

Temperature gradient unit

TEMPERATURERATEOFCHANGEUNIT

Temperature of change unit

THERMALADMITTANCEUNIT

Thermal admittance unit

THERMALCONDUCTANCEUNIT

Thermal Conductance unit

THERMALEXPANSIONCOEFFICIENTUNIT

Thermal expansion coefficient unit

THERMALRESISTANCEUNIT

Thermal resistance unit

THERMALTRANSMITTANCEUNIT

Thermal transmittance unit

TORQUEUNIT

Torque unit

VAPORPERMEABILITYUNIT

Vapor permeability unit

VOLUMETRICFLOWRATEUNIT

Valumetric flowrate unit

WARPINGCONSTANTUNIT

Warping constraint unit

WARPINGMOMENTUNIT

Warping moment unit

USERDEFINED

User defined derived unit.

Table 8.11.2.15.A

8.11.2.15.3 Formal representation

TYPE IfcDerivedUnitEnum = ENUMERATION OF
	(ACCELERATIONUNIT
	,ANGULARVELOCITYUNIT
	,AREADENSITYUNIT
	,COMPOUNDPLANEANGLEUNIT
	,CURVATUREUNIT
	,DYNAMICVISCOSITYUNIT
	,HEATFLUXDENSITYUNIT
	,HEATINGVALUEUNIT
	,INTEGERCOUNTRATEUNIT
	,IONCONCENTRATIONUNIT
	,ISOTHERMALMOISTURECAPACITYUNIT
	,KINEMATICVISCOSITYUNIT
	,LINEARFORCEUNIT
	,LINEARMOMENTUNIT
	,LINEARSTIFFNESSUNIT
	,LINEARVELOCITYUNIT
	,LUMINOUSINTENSITYDISTRIBUTIONUNIT
	,MASSDENSITYUNIT
	,MASSFLOWRATEUNIT
	,MASSPERLENGTHUNIT
	,MODULUSOFELASTICITYUNIT
	,MODULUSOFLINEARSUBGRADEREACTIONUNIT
	,MODULUSOFROTATIONALSUBGRADEREACTIONUNIT
	,MODULUSOFSUBGRADEREACTIONUNIT
	,MOISTUREDIFFUSIVITYUNIT
	,MOLECULARWEIGHTUNIT
	,MOMENTOFINERTIAUNIT
	,PHUNIT
	,PLANARFORCEUNIT
	,ROTATIONALFREQUENCYUNIT
	,ROTATIONALMASSUNIT
	,ROTATIONALSTIFFNESSUNIT
	,SECTIONAREAINTEGRALUNIT
	,SECTIONMODULUSUNIT
	,SHEARMODULUSUNIT
	,SOUNDPOWERLEVELUNIT
	,SOUNDPOWERUNIT
	,SOUNDPRESSURELEVELUNIT
	,SOUNDPRESSUREUNIT
	,SPECIFICHEATCAPACITYUNIT
	,TEMPERATUREGRADIENTUNIT
	,TEMPERATURERATEOFCHANGEUNIT
	,THERMALADMITTANCEUNIT
	,THERMALCONDUCTANCEUNIT
	,THERMALEXPANSIONCOEFFICIENTUNIT
	,THERMALRESISTANCEUNIT
	,THERMALTRANSMITTANCEUNIT
	,TORQUEUNIT
	,VAPORPERMEABILITYUNIT
	,VOLUMETRICFLOWRATEUNIT
	,WARPINGCONSTANTUNIT
	,WARPINGMOMENTUNIT
	,USERDEFINED);
END_TYPE;

8.11.2.15.4 References

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8.11.2.15.5 Changelog

8.11.2.15.5.1 IFC4

  • item, AREADENSITYUNIT
  • item, SOUNDPOWERLEVELUNIT
  • item, SOUNDPRESSURELEVELUNIT
  • item, TEMPERATURERATEOFCHANGEUNIT