UtilitiesUtility classes used by rotational example models 
Input/output block of a direct inertia model 

Input/output block of an inverse inertia model 

Input/output block of a spring/damper model 

Input/output block of a spring model 

Linear 1D rotational spring and damper in parallel (phi and w are not used as states) 
This information is part of the Modelica Standard Library maintained by the Modelica Association.
This package contains utility models and functions used by some of the example models from the rotational mechanics package.