isothermalDiameter → sphericalDiameter Relation

File in applications/solvers/multiphase/multiphaseEulerFoam/phaseSystems/diameterModels/isothermalDiameter	Includes file in applications/solvers/multiphase/multiphaseEulerFoam/phaseSystems/diameterModels/sphericalDiameter
isothermalDiameter.H	sphericalDiameter.H