OpenFOAM-4.x/applications/solvers/heatTransfer/chtMultiRegionFoam/solid/readSolidMultiRegionPIMPLEControls.H

    const dictionary& pimple = mesh.solutionDict().subDict("PIMPLE");

    int nNonOrthCorr =
        pimple.lookupOrDefault<int>("nNonOrthogonalCorrectors", 0);