threePhaseInterfaceProperties → incompressibleThreePhaseMixture Relation

File in applications/solvers/multiphase/interFoam/interMixingFoam/threePhaseInterfaceProperties	Includes file in applications/solvers/multiphase/interFoam/interMixingFoam/incompressibleThreePhaseMixture
threePhaseInterfaceProperties.H	incompressibleThreePhaseMixture.H