NewtonDerivatives_ph
record NewtonDerivatives_ph "Derivatives for fast inverse calculations of Helmholtz functions: p & h" extends Modelica.Icons.Record; SI.Pressure p "Pressure"; SI.SpecificEnthalpy h "Specific enthalpy"; DerPressureByDensity pd "Derivative of pressure w.r.t. density"; DerPressureByTemperature pt "Derivative of pressure w.r.t. temperature"; Real hd "Derivative of specific enthalpy w.r.t. density"; Real ht "Derivative of specific enthalpy w.r.t. temperature"; end NewtonDerivatives_ph;