thermoSingleLayer → phaseChangeModel Relation

File in src/regionModels/surfaceFilmModels/thermoSingleLayerIncludes file in src/regionModels/surfaceFilmModels/submodels/thermo/phaseChangeModel
thermoSingleLayer.CphaseChangeModel / phaseChangeModel.H
thermoSingleLayerI.HphaseChangeModel / phaseChangeModel.H