.Modelica.Mechanics.Translational.Components.Mass .Modelica.Mechanics.Translational.Components.MassSliding mass with inertia, without friction and two rigidly connected flanges.
The sliding mass has the length L, the position coordinate s is in the middle. Sign convention: A positive force at flange flange_a moves the sliding mass in the positive direction. A negative force at flange flange_a moves the sliding mass to the negative direction.