UEqns.H

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Info<< "Constructing momentum equations" << endl;
 
PtrList<fvVectorMatrix> UEqns(phases.size());
 
{
    autoPtr<phaseSystem::momentumTransferTable>
        momentumTransferPtr(fluid.momentumTransfer());
 
    phaseSystem::momentumTransferTable&
        momentumTransfer(momentumTransferPtr());
 
    forAll(fluid.movingPhases(), movingPhasei)
    {
        phaseModel& phase = fluid.movingPhases()[movingPhasei];
 
        const volScalarField& alpha = phase;
        const tmp<volScalarField> trho = phase.rho();
        volVectorField& U = phase.URef();
 
        const auto& rho = trho();
 
        UEqns.set
        (
            phase.index(),
            new fvVectorMatrix
            (
                phase.UEqn()
             ==
               *momentumTransfer[phase.name()]
              + fvOptions(alpha, rho, U)
            )
        );
 
        UEqns[phase.index()].relax();
        fvOptions.constrain(UEqns[phase.index()]);
        fvOptions.correct(U);
    }
}