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IfcDerivedUnitElement

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 STEP name: derived_unit_element, please refer to ISO/IS 10303-41:1994 for the final definition of the formal standard.
HISTORY New entity in IFC Release 1.5.1.

EXPRESS specification:

ENTITY IfcDerivedUnitElement;
Unit  :  IfcNamedUnit;
Exponent  :  INTEGER;
END_ENTITY;

Attribute definitions:

Unit  :  The fixed quantity which is used as the mathematical factor.
Exponent  :  The power that is applied to the unit attribute.

Inheritance graph

ENTITY IfcDerivedUnitElement;
ENTITY IfcDerivedUnitElement;
Unit  :  IfcNamedUnit;
Exponent  :  INTEGER;
END_ENTITY;