StandardWallInteraction.C

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#include "StandardWallInteraction.H"

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

template<class CloudType>
Foam::StandardWallInteraction<CloudType>::StandardWallInteraction
(
    const dictionary& dict,
    CloudType& cloud
)
:
    PatchInteractionModel<CloudType>(dict, cloud, typeName),
    interactionType_
    (
        this->wordToInteractionType(this->coeffDict().lookup("type"))
    ),
    e_(0.0),
    mu_(0.0),
    nEscape_(0),
    massEscape_(0.0),
    nStick_(0),
    massStick_(0.0)
{
    switch (interactionType_)
    {
        case PatchInteractionModel<CloudType>::itOther:
        {
            const word interactionTypeName(this->coeffDict().lookup("type"));

            FatalErrorInFunction
                << "Unknown interaction result type "
                << interactionTypeName
                << ". Valid selections are:" << this->interactionTypeNames_
                << endl << exit(FatalError);

            break;
        }
        case PatchInteractionModel<CloudType>::itRebound:
        {
            e_ = this->coeffDict().lookupOrDefault("e", 1.0);
            mu_ = this->coeffDict().lookupOrDefault("mu", 0.0);
            break;
        }
        default:
        {}
    }
}


template<class CloudType>
Foam::StandardWallInteraction<CloudType>::StandardWallInteraction
(
    const StandardWallInteraction<CloudType>& pim
)
:
    PatchInteractionModel<CloudType>(pim),
    interactionType_(pim.interactionType_),
    e_(pim.e_),
    mu_(pim.mu_),
    nEscape_(pim.nEscape_),
    massEscape_(pim.massEscape_),
    nStick_(pim.nStick_),
    massStick_(pim.massStick_)
{}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

template<class CloudType>
Foam::StandardWallInteraction<CloudType>::~StandardWallInteraction()
{}


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

template<class CloudType>
bool Foam::StandardWallInteraction<CloudType>::correct
(
    typename CloudType::parcelType& p,
    const polyPatch& pp,
    bool& keepParticle
)
{
    vector& U = p.U();

    bool& active = p.active();

    if (isA<wallPolyPatch>(pp))
    {
        switch (interactionType_)
        {
            case PatchInteractionModel<CloudType>::itNone:
            {
                return false;
            }
            case PatchInteractionModel<CloudType>::itEscape:
            {
                keepParticle = false;
                active = false;
                U = Zero;
                nEscape_++;
                massEscape_ += p.mass()*p.nParticle();
                break;
            }
            case PatchInteractionModel<CloudType>::itStick:
            {
                keepParticle = true;
                active = false;
                U = Zero;
                nStick_++;
                break;
            }
            case PatchInteractionModel<CloudType>::itRebound:
            {
                keepParticle = true;
                active = true;

                vector nw;
                vector Up;

                this->owner().patchData(p, pp, nw, Up);

                // Calculate motion relative to patch velocity
                U -= Up;

                scalar Un = U & nw;
                vector Ut = U - Un*nw;

                if (Un > 0)
                {
                    U -= (1.0 + e_)*Un*nw;
                }

                U -= mu_*Ut;

                // Return velocity to global space
                U += Up;

                break;
            }
            default:
            {
                FatalErrorInFunction
                    << "Unknown interaction type "
                    << this->interactionTypeToWord(interactionType_)
                    << "(" << interactionType_ << ")" << endl
                    << abort(FatalError);
            }
        }

        return true;
    }

    return false;
}


template<class CloudType>
void Foam::StandardWallInteraction<CloudType>::info(Ostream& os)
{
    label npe0 = this->template getBaseProperty<scalar>("nEscape");
    label npe = npe0 + returnReduce(nEscape_, sumOp<label>());

    scalar mpe0 = this->template getBaseProperty<scalar>("massEscape");
    scalar mpe = mpe0 + returnReduce(massEscape_, sumOp<scalar>());

    label nps0 = this->template getBaseProperty<scalar>("nStick");
    label nps = nps0 + returnReduce(nStick_, sumOp<label>());

    scalar mps0 = this->template getBaseProperty<scalar>("massStick");
    scalar mps = mps0 + returnReduce(massStick_, sumOp<scalar>());

    os  << "    Parcel fate (number, mass)" << nl
        << "      - escape                      = " << npe << ", " << mpe << nl
        << "      - stick                       = " << nps << ", " << mps << nl;

    if (this->writeTime())
    {
        this->setModelProperty("nEscape", npe);
        this->setModelProperty("massEscape", mpe);
        this->setModelProperty("nStick", nps);
        this->setModelProperty("massStick", mps);
    }
}


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