.ClaRa.Basics.ControlVolumes.FluidVolumes.VolumeVLE_L3_TwoZonesNPort.PhaseBorder .ClaRa.Basics.ControlVolumes.FluidVolumes.VolumeVLE_L3_TwoZonesNPort.PhaseBordermodel PhaseBorder = ClaRa.Basics.ControlVolumes.Fundamentals.SpacialDistribution.RealSeparated;