.IdealizedContact.Components.Utilities.variableRevol1 .IdealizedContact.Components.Utilities.variableRevol1This joint is a modification of the Modelica.Mechanics.MultiBody.Joints.Revolute joint. The axis of rotation can be now be set via the input n. Furthermore, the input phi_ref sets the angle between the to frames (compare to useAxisFlange option of the original block).