IfcDerivedUnitEnum

Natural language names
Derived Unit Enum
Enumération des unités dérivées
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4 4.0.0.0
    IfcDerivedUnitEnum
      AREADENSITYUNITADDED
      SOUNDPOWERLEVELUNITADDED
      SOUNDPRESSURELEVELUNITADDED
      TEMPERATURERATEOFCHANGEUNITADDED
Semantic definitions at the type
Type definition

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

HISTORY  New type in IFC2.0.

IFC 2x4 change: added AREADENSITYUNIT, SOUNDPOWERLEVELUNIT, SOUNDPRESSURELEVELUNIT and TEMPERATURERATEOFCHANGEUNIT.

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

User defined derived unit.

Formal representations
XML Specification
 <xs:simpleType name="IfcDerivedUnitEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="angularvelocityunit"/>
   <xs:enumeration value="areadensityunit"/>
   <xs:enumeration value="compoundplaneangleunit"/>
   <xs:enumeration value="dynamicviscosityunit"/>
   <xs:enumeration value="heatfluxdensityunit"/>
   <xs:enumeration value="integercountrateunit"/>
   <xs:enumeration value="isothermalmoisturecapacityunit"/>
   <xs:enumeration value="kinematicviscosityunit"/>
   <xs:enumeration value="linearvelocityunit"/>
   <xs:enumeration value="massdensityunit"/>
   <xs:enumeration value="massflowrateunit"/>
   <xs:enumeration value="moisturediffusivityunit"/>
   <xs:enumeration value="molecularweightunit"/>
   <xs:enumeration value="specificheatcapacityunit"/>
   <xs:enumeration value="thermaladmittanceunit"/>
   <xs:enumeration value="thermalconductanceunit"/>
   <xs:enumeration value="thermalresistanceunit"/>
   <xs:enumeration value="thermaltransmittanceunit"/>
   <xs:enumeration value="vaporpermeabilityunit"/>
   <xs:enumeration value="volumetricflowrateunit"/>
   <xs:enumeration value="rotationalfrequencyunit"/>
   <xs:enumeration value="torqueunit"/>
   <xs:enumeration value="momentofinertiaunit"/>
   <xs:enumeration value="linearmomentunit"/>
   <xs:enumeration value="linearforceunit"/>
   <xs:enumeration value="planarforceunit"/>
   <xs:enumeration value="modulusofelasticityunit"/>
   <xs:enumeration value="shearmodulusunit"/>
   <xs:enumeration value="linearstiffnessunit"/>
   <xs:enumeration value="rotationalstiffnessunit"/>
   <xs:enumeration value="modulusofsubgradereactionunit"/>
   <xs:enumeration value="accelerationunit"/>
   <xs:enumeration value="curvatureunit"/>
   <xs:enumeration value="heatingvalueunit"/>
   <xs:enumeration value="ionconcentrationunit"/>
   <xs:enumeration value="luminousintensitydistributionunit"/>
   <xs:enumeration value="massperlengthunit"/>
   <xs:enumeration value="modulusoflinearsubgradereactionunit"/>
   <xs:enumeration value="modulusofrotationalsubgradereactionunit"/>
   <xs:enumeration value="phunit"/>
   <xs:enumeration value="rotationalmassunit"/>
   <xs:enumeration value="sectionareaintegralunit"/>
   <xs:enumeration value="sectionmodulusunit"/>
   <xs:enumeration value="soundpowerlevelunit"/>
   <xs:enumeration value="soundpowerunit"/>
   <xs:enumeration value="soundpressurelevelunit"/>
   <xs:enumeration value="soundpressureunit"/>
   <xs:enumeration value="temperaturegradientunit"/>
   <xs:enumeration value="temperaturerateofchangeunit"/>
   <xs:enumeration value="thermalexpansioncoefficientunit"/>
   <xs:enumeration value="warpingconstantunit"/>
   <xs:enumeration value="warpingmomentunit"/>
   <xs:enumeration value="userdefined"/>
  </xs:restriction>
 </xs:simpleType>
EXPRESS Specification
TYPE IfcDerivedUnitEnum = ENUMERATION OF (
 ANGULARVELOCITYUNIT,
 AREADENSITYUNIT,
 COMPOUNDPLANEANGLEUNIT,
 DYNAMICVISCOSITYUNIT,
 HEATFLUXDENSITYUNIT,
 INTEGERCOUNTRATEUNIT,
 ISOTHERMALMOISTURECAPACITYUNIT,
 KINEMATICVISCOSITYUNIT,
 LINEARVELOCITYUNIT,
 MASSDENSITYUNIT,
 MASSFLOWRATEUNIT,
 MOISTUREDIFFUSIVITYUNIT,
 MOLECULARWEIGHTUNIT,
 SPECIFICHEATCAPACITYUNIT,
 THERMALADMITTANCEUNIT,
 THERMALCONDUCTANCEUNIT,
 THERMALRESISTANCEUNIT,
 THERMALTRANSMITTANCEUNIT,
 VAPORPERMEABILITYUNIT,
 VOLUMETRICFLOWRATEUNIT,
 ROTATIONALFREQUENCYUNIT,
 TORQUEUNIT,
 MOMENTOFINERTIAUNIT,
 LINEARMOMENTUNIT,
 LINEARFORCEUNIT,
 PLANARFORCEUNIT,
 MODULUSOFELASTICITYUNIT,
 SHEARMODULUSUNIT,
 LINEARSTIFFNESSUNIT,
 ROTATIONALSTIFFNESSUNIT,
 MODULUSOFSUBGRADEREACTIONUNIT,
 ACCELERATIONUNIT,
 CURVATUREUNIT,
 HEATINGVALUEUNIT,
 IONCONCENTRATIONUNIT,
 LUMINOUSINTENSITYDISTRIBUTIONUNIT,
 MASSPERLENGTHUNIT,
 MODULUSOFLINEARSUBGRADEREACTIONUNIT,
 MODULUSOFROTATIONALSUBGRADEREACTIONUNIT,
 PHUNIT,
 ROTATIONALMASSUNIT,
 SECTIONAREAINTEGRALUNIT,
 SECTIONMODULUSUNIT,
 SOUNDPOWERLEVELUNIT,
 SOUNDPOWERUNIT,
 SOUNDPRESSURELEVELUNIT,
 SOUNDPRESSUREUNIT,
 TEMPERATUREGRADIENTUNIT,
 TEMPERATURERATEOFCHANGEUNIT,
 THERMALEXPANSIONCOEFFICIENTUNIT,
 WARPINGCONSTANTUNIT,
 WARPINGMOMENTUNIT,
 USERDEFINED);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcDerivedUnit

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