tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh >> grad(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
volScalarField mu(IOobject("mu", runTime.timeName(), mesh, IOobject::NO_READ, IOobject::AUTO_WRITE), viscosity->nu() *rhoInfValue)