SIUnit
Published on Mar 9, 2022
VEC Version 2.0.0
Last updated on Jan 31, 2023
1 min read
Note: There is a newer version of this specification see VEC 2.1.0
The SIUnit class can define quantities in the terms of the SI-Unit-System by specifying the corresponding SI prefix (optional) and a SI unit name. The usage of SI units must be the preferred way of expressing units, since these units can be easily translated into other SI units.
General Information
| Attribute | Value |
|---|---|
| Owner | physical_information |
| Applied Stereotype | |
| Base Classifier | Unit |
| Is Abstract | false |
| Derived Classifiers |
Attributes
| 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. |
Unit |
| siUnitName | SiUnitName | 1 | Specifies the name of SI unit (e.g. metre, second,…) |
SIUnit |
| siPrefix | SiPrefix | 0..1 | Specifies the prefix of the SI unit (e.g. milli, centi, mirco,…) |
SIUnit |
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Last updated on Jan 31, 2023