.ClaRa.Components.Mills.PhysicalMills.Mill_L4.PressureLoss_classifier .ClaRa.Components.Mills.PhysicalMills.Mill_L4.PressureLoss_classifiermodel PressureLoss_classifier = ClaRa.Basics.ControlVolumes.Fundamentals.PressureLoss.Generic_PL.LinearPressureLoss_L2;