compute additional thermodynamic derivatives from dimensionless Helmholtz function
function helmholtzToExtraDerivs extends Modelica.Icons.Function; input ThermalSeparation.Media.WaterBasedLiquid.BaseClasses.Common.HelmholtzDerivs f "dimensionless derivatives of Helmholtz function"; output ThermalSeparation.Media.WaterBasedLiquid.BaseClasses.Common.ExtraDerivatives dpro "additional property derivatives"; end helmholtzToExtraDerivs;