Foam::fileDiffusivity::fileDiffusivity ( const fvMotionSolver& mSolver, Istream& mdData ) : motionDiffusivity(mSolver), faceDiffusivity_ ( IOobject ( word(mdData), mSolver.mesh().time().constant(), mSolver.mesh(), IOobject::MUST_READ, IOobject::NO_WRITE ), mSolver.mesh() ) {}
Foam::uniformDiffusivity::uniformDiffusivity ( const fvMotionSolver& mSolver, Istream& ) : motionDiffusivity(mSolver), faceDiffusivity_ ( IOobject ( "faceDiffusivity", mSolver.mesh().time().timeName(), mSolver.mesh(), IOobject::NO_READ, IOobject::NO_WRITE ), mSolver.mesh(), dimensionedScalar("1.0", dimless, 1.0) ) {}