Info<< "Reading thermal properties\n" << endl; IOdictionary thermalProperties ( IOobject ( "thermalProperties", runTime.constant(), mesh, IOobject::MUST_READ, IOobject::NO_WRITE ) ); Switch thermalStress(thermalProperties.lookup("thermalStress")); dimensionedScalar threeKalpha ( "threeKalpha", dimensionSet(0, 2, -2 , -1, 0), 0 ); dimensionedScalar DT ( "DT", dimensionSet(0, 2, -1 , 0, 0), 0 ); if (thermalStress) { dimensionedScalar C(thermalProperties.lookup("C")); dimensionedScalar rhoK(thermalProperties.lookup("k")); dimensionedScalar alpha(thermalProperties.lookup("alpha")); Info<< "Normalising k : k/rho\n" << endl; dimensionedScalar k = rhoK/rho; Info<< "Calculating thermal coefficients\n" << endl; threeKalpha = threeK*alpha; DT.value() = (k/C).value(); Info<< "threeKalpha = " << threeKalpha.value() << " Pa/rho\n"; }