Ejemplo n.º 1
0
void Foam::porousZone::addResistance
(
    fvVectorMatrix& UEqn,
    const volScalarField& rho,
    const volScalarField& mu
) const
{
    if (cellZoneIds_.empty())
    {
        return;
    }

    const scalarField& V = mesh_.V();
    scalarField& Udiag = UEqn.diag();
    vectorField& Usource = UEqn.source();
    const vectorField& U = UEqn.psi();

    if (C0_ > VSMALL)
    {
        addPowerLawResistance
        (
            Udiag,
            V,
            rho,
            U
        );
    }

    const tensor& D = D_.value();
    const tensor& F = F_.value();

    if (magSqr(D) > VSMALL || magSqr(F) > VSMALL)
    {
        addViscousInertialResistance
        (
            Udiag,
            Usource,
            V,
            rho,
            mu,
            U
        );
    }
}
Ejemplo n.º 2
0
void Foam::porousZone::addResistance
(
    const fvVectorMatrix& UEqn,
    volTensorField& AU,
    bool correctAUprocBC
) const
{
    if (cellZoneID_ == -1)
    {
        return;
    }

    bool compressible = false;
    if (UEqn.dimensions() == dimensionSet(1, 1, -2, 0, 0))
    {
        compressible = true;
    }

    const labelList& cells = mesh_.cellZones()[cellZoneID_];
    const vectorField& U = UEqn.psi();

    if (C0_ > VSMALL)
    {
        if (compressible)
        {
            addPowerLawResistance
            (
                AU,
                cells,
                mesh_.lookupObject<volScalarField>("rho"),
                U
            );
        }
        else
        {
            addPowerLawResistance
            (
                AU,
                cells,
                geometricOneField(),
                U
            );
        }
    }

    const tensor& D = D_.value();
    const tensor& F = F_.value();

    if (magSqr(D) > VSMALL || magSqr(F) > VSMALL)
    {
        if (compressible)
        {
            addViscousInertialResistance
            (
                AU,
                cells,
                mesh_.lookupObject<volScalarField>("rho"),
                mesh_.lookupObject<volScalarField>("mu"),
                U
            );
        }
        else
        {
            addViscousInertialResistance
            (
                AU,
                cells,
                geometricOneField(),
                mesh_.lookupObject<volScalarField>("nu"),
                U
            );
        }
    }

    if (correctAUprocBC)
    {
        // Correct the boundary conditions of the tensorial diagonal to ensure
        // processor boundaries are correctly handled when AU^-1 is interpolated
        // for the pressure equation.
        AU.correctBoundaryConditions();
    }
}
Ejemplo n.º 3
0
void Foam::porousZone::addResistance(fvVectorMatrix& UEqn) const
{
    if (cellZoneID_ == -1)
    {
        return;
    }

    bool compressible = false;
    if (UEqn.dimensions() == dimensionSet(1, 1, -2, 0, 0))
    {
        compressible = true;
    }

    const labelList& cells = mesh_.cellZones()[cellZoneID_];
    const scalarField& V = mesh_.V();
    scalarField& Udiag = UEqn.diag();
    vectorField& Usource = UEqn.source();
    const vectorField& U = UEqn.psi();

    if (C0_ > VSMALL)
    {
        if (compressible)
        {
            addPowerLawResistance
            (
                Udiag,
                cells,
                V,
                mesh_.lookupObject<volScalarField>("rho"),
                U
            );
        }
        else
        {
            addPowerLawResistance
            (
                Udiag,
                cells,
                V,
                geometricOneField(),
                U
            );
        }
    }

    const tensor& D = D_.value();
    const tensor& F = F_.value();

    if (magSqr(D) > VSMALL || magSqr(F) > VSMALL)
    {
        if (compressible)
        {
            addViscousInertialResistance
            (
                Udiag,
                Usource,
                cells,
                V,
                mesh_.lookupObject<volScalarField>("rho"),
                mesh_.lookupObject<volScalarField>("mu"),
                U
            );
        }
        else
        {
            addViscousInertialResistance
            (
                Udiag,
                Usource,
                cells,
                V,
                geometricOneField(),
                mesh_.lookupObject<volScalarField>("nu"),
                U
            );
        }
    }
}