{ // Solve the enthalpy equation T.storePrevIter(); // Calculate face velocity from flux surfaceScalarField faceU ( "faceU", phi/fvc::interpolate(rho) + (SRF->faceU() & mesh.Sf()) ); fvScalarMatrix iEqn ( fvm::ddt(rho, i) + fvm::div(phi, i) - fvm::laplacian(turbulence->alphaEff(), i) // u & gradP term (steady-state formulation) + fvm::SuSp((fvc::div(faceU, p, "div(U,p)") - p*fvc::div(faceU))/i, i) == // ddt(p) term removed: steady-state. HJ, 27/Apr/2010 // Viscous heating: note sign (devRhoReff has a minus in it) - (turbulence->devRhoReff() && fvc::grad(Urel)) ); iEqn.relax(); eqnResidual = iEqn.solve().initialResidual(); maxResidual = max(eqnResidual, maxResidual); // Calculate enthalpy out of rothalpy volVectorField Urot("Urot", SRF->U()); h = i + 0.5*magSqr(Urot); h.correctBoundaryConditions(); // Bound the enthalpy using TMin and TMax volScalarField Cp = thermo.Cp(); h = Foam::min(h, TMax*Cp); h = Foam::max(h, TMin*Cp); h.correctBoundaryConditions(); // Re-initialise rothalpy based on limited enthalpy i = h - 0.5*magSqr(Urot); thermo.correct(); }