psiuMulticomponentThermo → gradientUnburntEnthalpy Relation

File in src/thermophysicalModels/multicomponentThermo/psiuMulticomponentThermoIncludes file in src/thermophysicalModels/multicomponentThermo/derivedFvPatchFields/gradientUnburntEnthalpy
psiuMulticomponentThermo.CgradientUnburntEnthalpyFvPatchScalarField.H