function bubbleIsothermalCompressibility_Txi extends TILMedia.BaseClasses.PartialVLEFluidFunction; input SI.Temperature T "Temperature"; input SI.MassFraction[:] xi "Mass fractions of the first nc-1 components"; input TILMedia.Internals.VLEFluidName vleFluidName "VLEFluid name"; input Integer nc "Number of components"; output SI.Compressibility kappa_bubble "Isothermal compressibility at bubble point"; end bubbleIsothermalCompressibility_Txi;