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

const dictionary& simple = mesh.solutionDict().subDict("SIMPLE");

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