sixDoFAccelerationSourceTemplates.C

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#include "sixDoFAccelerationSource.H"
#include "fvMesh.H"
#include "fvMatrices.H"
#include "uniformDimensionedFields.H"

// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //

template<class RhoFieldType>
void Foam::fv::sixDoFAccelerationSource::addSup
(
    const RhoFieldType& rho,
    fvMatrix<vector>& eqn,
    const word& fieldName
) const
{
    Vector<vector> accelerations(accelerations_->value(mesh().time().value()));

    // If gravitational force is present combine with the linear acceleration
    if (mesh().foundObject<uniformDimensionedVectorField>("g"))
    {
        uniformDimensionedVectorField& g =
            mesh().lookupObjectRef<uniformDimensionedVectorField>("g");

        const uniformDimensionedScalarField& hRef =
            mesh().lookupObject<uniformDimensionedScalarField>("hRef");

        g = g_ - dimensionedVector("a", dimAcceleration, accelerations.x());

        dimensionedScalar ghRef(- mag(g)*hRef);

        mesh().lookupObjectRef<volScalarField>("gh") = (g & mesh().C()) - ghRef;

        mesh().lookupObjectRef<surfaceScalarField>("ghf") =
            (g & mesh().Cf()) - ghRef;
    }
    // ... otherwise include explicitly in the momentum equation
    else
    {
        eqn -= rho*dimensionedVector("a", dimAcceleration, accelerations.x());
    }

    dimensionedVector Omega
    (
        "Omega",
        dimensionSet(0, 0, -1, 0, 0),
        accelerations.y()
    );

    dimensionedVector dOmegaDT
    (
        "dOmegaDT",
        dimensionSet(0, 0, -2, 0, 0),
        accelerations.z()
    );

    eqn -=
    (
        rho*(2*Omega ^ eqn.psi())         // Coriolis force
      + rho*(Omega ^ (Omega ^ mesh().C())) // Centrifugal force
      + rho*(dOmegaDT ^ mesh().C())        // Angular acceleration force
    );
}


// ************************************************************************* //