.TAeZoSysPro.FluidDynamics.Components.Valves.BaseClasses.PartialDamper.valveCharacteristic .TAeZoSysPro.FluidDynamics.Components.Valves.BaseClasses.PartialDamper.valveCharacteristicInherent flow characteristic
function valveCharacteristic = Modelica.Fluid.Valves.BaseClasses.ValveCharacteristics.linear;