Note: There is a newer version of this specification see VEC 2.1.0

The USUnit class can define quantities in the terms of the US-Unit-System by specifying the corresponding US unit name. The US Unit System is quite similar to the imperial unit system; however, some units are defined slightly different.

General Information

Attribute Value
Owner physical_information
Applied Stereotype
Base Classifier Unit
Is Abstract false
Derived Classifiers


Name Type Mult. Description Owning Classifier
exponent Integer 0..1

Defines the exponent with which this unit instance should be used. In order to define square meters for example, the SIUnit "metre" with an exponent of 2 will be used. If no exponent is defined it is equivalent to the value 1.

usUnitName USUnitName 1

Specifies the name of the USUnit.