8.11.3.5 IfcDerivedUnitElement
RV ⓘ
AbV ⓘ
8.11.3.5.1 Semantic definition
Definition according to ISO/CD 10303-41:1992 A derived unit element is one of the unit quantities which makes up a derived unit. 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. Corresponding ISO 10303 name: derived_unit_element, please refer to ISO/IS 10303-41 for the final definition of the formal standard. New entity in IFC1.5.1.8.11.3.5.2 Entity inheritance
8.11.3.5.3 Attributes
| # | Attribute | Type | Description |
|---|---|---|---|
| IfcDerivedUnitElement (2) | |||
| 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. |
8.11.3.5.4 Examples
8.11.3.5.5 Formal representation
ENTITY IfcDerivedUnitElement;
Unit : IfcNamedUnit;
Exponent : INTEGER;
END_ENTITY;