Defined in File Ifc4x1.h
IfcDerivedUnitElement: public IfcUtil::IfcBaseEntity¶
Definition from ISO/CD 10303-41:1992: A derived unit element is one of the unit quantities which makes up a derived unit.
EXAMPLE: Newtons per square millimetre is a derived unit. It has two elements, Newton whose exponent has a value of 1 and millimetre whose exponent is -2.
NOTE: Corresponding ISO 10303 name: derived_unit_element, please refer to ISO/IS 10303-41 for the final definition of the formal standard.
HISTORY New entity in IFC Release 1.5.1.
The power that is applied to the unit attribute.