partial function bubbleIsothermalCompressibility_pxi extends TILMedia.BaseClasses.PartialVLEFluidObjectFunction; input SI.AbsolutePressure p "Pressure"; input SI.MassFraction[:] xi "Mass fractions of the first nc-1 components"; input TILMedia.Internals.TILMediaExternalObject vleFluidPointer; output SI.Compressibility kappa_bubble "Isothermal compressibility at bubble point"; end bubbleIsothermalCompressibility_pxi;