19.09.15-20.MoDELS.Munich_tutorials_PhysicalSystemsForSoftwareModellers/materials/notes/SemiActiveDamper.mo

model SemiActiveDamper 
extends Modelica.Mechanics.Translational.Interfaces.PartialCompliantWithRelativeStates;
  Modelica.Blocks.Interfaces.RealInput d;
equation
  f = d * v_rel;
end SemiActiveDamper;