function Helmholtz_ph extends Modelica.Icons.Function; input ThermalSeparation.Media.WaterBasedLiquid.BaseClasses.Common.HelmholtzDerivs f "dimensionless derivatives of Helmholtz function"; output ThermalSeparation.Media.WaterBasedLiquid.BaseClasses.Common.NewtonDerivatives_ph nderivs "derivatives for Newton iteration to calculate d and t from p and h"; end Helmholtz_ph;