Gibbs function for metastable part of region 2: g(p,T)
function g2metastable extends Modelica.Icons.Function; input SI.Pressure p "Pressure"; input SI.Temperature T "Temperature (K)"; output Modelica.Media.Common.GibbsDerivs g "Dimensionless Gibbs function and derivatives w.r.t. pi and tau"; end g2metastable;