Schaeffer → frictionalStressModel Relation

File in applications/modules/multiphaseEuler/momentumTransportModels/kineticTheoryModels/frictionalStressModel/Schaeffer	Includes file in applications/modules/multiphaseEuler/momentumTransportModels/kineticTheoryModels/frictionalStressModel/frictionalStressModel
SchaefferFrictionalStress.H	frictionalStressModel.H