const dictionary& pimple = mesh.solutionDict().subDict("PIMPLE"); int nCorr(readInt(pimple.lookup("nCorrectors"))); int nNonOrthCorr = pimple.lookupOrDefault("nNonOrthogonalCorrectors", 0); bool momentumPredictor = pimple.lookupOrDefault("momentumPredictor", true);