NOTE Definition according to 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 IFC1.5.1.
|1||Unit||IfcNamedUnit||The fixed quantity which is used as the mathematical factor.|
|2||Exponent||INTEGER||The power that is applied to the unit attribute.|
ENTITY IfcDerivedUnitElement; Unit : IfcNamedUnit; Exponent : INTEGER; END_ENTITY;