.Modelica.SIunits .Modelica.SIunitsThis package provides predefined types, such as Mass, Angle, Time, based on the international standard on units, e.g.,
type Angle = Real(final quantity = "Angle",
final unit = "rad",
displayUnit = "deg");
Some of the types are derived SI units that are utilized in package Modelica (such as ComplexCurrent, which is a complex number where both the real and imaginary part have the SI unit Ampere).
Furthermore, conversion functions from non SI-units to SI-units and vice versa are provided in subpackage Conversions.
For an introduction how units are used in the Modelica standard library with package SIunits, have a look at: How to use SIunits.
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