.ClaRa.Basics.ControlVolumes.FluidVolumes.VolumeVLE_L4_Advanced.PressureLoss .ClaRa.Basics.ControlVolumes.FluidVolumes.VolumeVLE_L4_Advanced.PressureLossmodel PressureLoss = ClaRa.Basics.ControlVolumes.Fundamentals.PressureLoss.Generic_PL.LinearPressureLoss_L4;