Пример #1
0
void Foam::verticalValves::setVirtualPositions()
{

    {
        virtualPistonPosition() = -GREAT;

        label pistonFaceIndex = faceZones().findZoneID("pistonLayerFaces");
         
        bool foundPistonFace = (pistonFaceIndex != -1);
        
        if(!foundPistonFace)
        {
            FatalErrorIn("Foam::verticalValves::setVirtualPistonPosition()")
                << " : cannot find the pistonLayerFaces"
                << exit(FatalError);
    
        }
        
        const labelList& pistonFaces = faceZones()[pistonFaceIndex];
        forAll(pistonFaces, i)
        {
            const face& f = faces()[pistonFaces[i]];
        
            // should loop over facepoints...
            forAll(f, j)
            {
                virtualPistonPosition() = max(virtualPistonPosition(), points()[f[j]].z());
            }
        }
    
        reduce(virtualPistonPosition(), maxOp<scalar>());
    
    }
Пример #2
0
void Foam::mixerGgiFvMesh::addZonesAndModifiers()
{
    // Add zones and modifiers for motion action

    if (cellZones().size() > 0)
    {
        Info<< "void mixerGgiFvMesh::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        return;
    }

    Info<< "Time = " << time().timeName() << endl
        << "Adding zones and modifiers to the mesh" << endl;

    // Add zones
    List<pointZone*> pz(0);
    List<faceZone*> fz(0);
    List<cellZone*> cz(1);

    // Copy the face zones associated with the GGI interfaces
    if (faceZones().size() > 0)
    {
        // Copy face zones
        Info << "Copying existing face zones" << endl;

        fz.setSize(faceZones().size());

        forAll (faceZones(), i)
        {
            fz[i] = faceZones()[i].clone(faceZones()).ptr();
        }
Пример #3
0
    forAll(valves_, valveI)
    {
        if(valves_[valveI].poppetPatchID().active())
        {

            valveTopPosition_[valveI] = -GREAT;
        
            label valveFaceIndex = faceZones().findZoneID("poppetZoneV" + Foam::name(valveI + 1));
         
            bool foundValveFace = (valveFaceIndex != -1);
        
            if(!foundValveFace)
            {
                FatalErrorIn("Foam::verticalValves::setVirtualPositions()")
                    << " : cannot find the poppetValveFaces"
                    << exit(FatalError);
            }
        
            const labelList& valvePoppetFaces = faceZones()[valveFaceIndex];
            
            forAll(valvePoppetFaces, i)
            {
                const face& f = faces()[valvePoppetFaces[i]];
        
                // should loop over facepoints...
                forAll(f, j)
                {
                    valveTopPosition_[valveI] = max(valveTopPosition_[valveI], points()[f[j]].z());
                }
            }
Пример #4
0
// Construct from components
Foam::movingConeTopoFvMesh::movingConeTopoFvMesh(const IOobject& io)
:
    topoChangerFvMesh(io),
    motionDict_
    (
        IOdictionary
        (
            IOobject
            (
                "dynamicMeshDict",
                time().constant(),
                *this,
                IOobject::MUST_READ_IF_MODIFIED,
                IOobject::NO_WRITE,
                false
            )
        ).subDict(typeName + "Coeffs")
    ),
    motionVelAmplitude_(motionDict_.lookup("motionVelAmplitude")),
    motionVelPeriod_(readScalar(motionDict_.lookup("motionVelPeriod"))),
    curMotionVel_
    (
        motionVelAmplitude_*
        Foam::sin(time().value()*M_PI/motionVelPeriod_)
    ),
    leftEdge_(readScalar(motionDict_.lookup("leftEdge"))),
    curLeft_(readScalar(motionDict_.lookup("leftObstacleEdge"))),
    curRight_(readScalar(motionDict_.lookup("rightObstacleEdge")))
{
    Pout<< "Initial time:" << time().value()
        << " Initial curMotionVel_:" << curMotionVel_
        << endl;

    addZonesAndModifiers();

    curLeft_ = average
    (
        faceZones()
        [
            faceZones().findZoneID("leftExtrusionFaces")
        ]().localPoints()
    ).x() - SMALL;

    curRight_ = average
    (
        faceZones()
        [
            faceZones().findZoneID("rightExtrusionFaces")
        ]().localPoints()
    ).x() + SMALL;

    motionMask_ = vertexMarkup
    (
        points(),
        curLeft_,
        curRight_
    );
}
Пример #5
0
void Foam::linearValveLayersFvMesh::addZonesAndModifiers()
{
    // Add zones and modifiers for motion action

    if
    (
        pointZones().size() > 0
     || faceZones().size() > 0
     || cellZones().size() > 0
    )
    {
        Info<< "void linearValveLayersFvMesh::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        if (topoChanger_.size() == 0)
        {
            FatalErrorIn
            (
                "void linearValveLayersFvMesh::addZonesAndModifiers()"
            )   << "Mesh modifiers not read properly"
                << abort(FatalError);
        }

        return;
    }

    Info<< "Time = " << time().timeName() << endl
        << "Adding zones and modifiers to the mesh" << endl;

    // Add zones
    List<pointZone*> pz(1);
    List<faceZone*> fz(4);
    List<cellZone*> cz(0);


    // Add an empty zone for cut points

    pz[0] = new pointZone
    (
        "cutPointZone",
        labelList(0),
        0,
        pointZones()
    );


    // Do face zones for slider

    // Inner slider
    const word innerSliderName(motionDict_.subDict("slider").lookup("inside"));
    const polyPatch& innerSlider =
        boundaryMesh()[boundaryMesh().findPatchID(innerSliderName)];

    labelList isf(innerSlider.size());

    forAll (isf, i)
    {
        isf[i] = innerSlider.start() + i;
    }
void Foam::twoStrokeEngine::setVirtualPistonPosition()
{
    label pistonFaceIndex = faceZones().findZoneID("pistonLayerFaces");

    if(pistonFaceIndex == -1)
    {
        FatalErrorIn("Foam::twoStrokeEngine::setVirtualPistonPosition()")
            << "Cannot find the pistonLayerFaces"
            << abort(FatalError);
    }

    const labelList& pistonPoints =
        faceZones()[pistonFaceIndex]().meshPoints();

    const pointField& p = points();

    forAll (pistonPoints, i)
    {
        virtualPistonPosition() =
            Foam::max(virtualPistonPosition_, p[pistonPoints[i]].z());
    }
Пример #7
0
void Foam::linearValveFvMesh::addZonesAndModifiers()
{
    // Add zones and modifiers for motion action

    if
    (
        pointZones().size()
     || faceZones().size()
     || cellZones().size()
     || topoChanger_.size()
    )
    {
        Info<< "void linearValveFvMesh::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        return;
    }

    Info<< "Time = " << time().timeName() << endl
        << "Adding zones and modifiers to the mesh" << endl;

    // Add zones
    List<pointZone*> pz(1);

    // Add an empty zone for cut points

    pz[0] = new pointZone
    (
        "cutPointZone",
        labelList(0),
        0,
        pointZones()
    );


    // Do face zones for slider

    List<faceZone*> fz(3);

    // Inner slider
    const word innerSliderName(motionDict_.subDict("slider").lookup("inside"));
    const polyPatch& innerSlider = boundaryMesh()[innerSliderName];

    labelList isf(innerSlider.size());

    forAll(isf, i)
    {
        isf[i] = innerSlider.start() + i;
    }
void Foam::multiMixerFvMesh::addZonesAndModifiers()
{
    // Add zones and modifiers for motion action

    if
    (
        pointZones().size() > 0
     || faceZones().size() > 0
     || cellZones().size() > 0
    )
    {
        Info<< "void multiMixerFvMesh::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        if (topoChanger_.size() == 0  && useTopoSliding())
        {
            FatalErrorIn
            (
                "void multiMixerFvMesh::addZonesAndModifiers()"
            )   << "Mesh modifiers not read properly"
                << abort(FatalError);
        }

        return;
    }

    Info<< "Time = " << time().timeName() << endl
        << "Adding zones and modifiers to the mesh.  " << rotors_.size()
        << " sliders found" << endl;

    DynamicList<pointZone*> pz(rotors_.size());
    DynamicList<faceZone*> fz(3*rotors_.size());
    DynamicList<cellZone*> cz(rotors_.size());

    // Create region split: mark every cell with its topological region
    regionSplit rs(*this);

    Info << "Adding point, face and cell zones" << endl;
    forAll (rotors_, rotorI)
    {
        rotors_[rotorI].addZones(pz, fz, cz, rs);
    }
void Foam::mixerFvMesh::addZonesAndModifiers()
{
    // Add zones and modifiers for motion action
    if (cellZones().size() > 0)
    {
        Info<< "void mixerFvMesh::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        // Check definition of the modifier
        if
        (
            pointZones().size() > 0
         || faceZones().size() > 0
        )
        {
            if (topoChanger_.size() == 0)
            {
                FatalErrorIn
                (
                    "void mixerFvMesh::addZonesAndModifiers()"
                )   << "Mesh modifiers not read properly.  "
                    << "pointZones = " <<  pointZones().size()
                    << " faceZones = " << faceZones().size()
                    << abort(FatalError);
            }
        }

        return;
    }

    // Find patches and check sizes

    // Moving slider
    const word movingSliderName(dict_.subDict("slider").lookup("moving"));
    label movingSliderIndex = boundaryMesh().findPatchID(movingSliderName);

    if (movingSliderIndex < 0)
    {
        FatalErrorIn("void mixerFvMesh::addZonesAndModifiers() const")
            << "Moving slider patch not found in boundary"
            << abort(FatalError);
    }

    const word staticSliderName(dict_.subDict("slider").lookup("static"));
    label staticSliderIndex = boundaryMesh().findPatchID(staticSliderName);

    if (staticSliderIndex < 0)
    {
        FatalErrorIn("void mixerFvMesh::addZonesAndModifiers() const")
            << "Static slider patch not found in boundary"
            << abort(FatalError);

    }

    const polyPatch& movingSlider = boundaryMesh()[movingSliderIndex];
    const polyPatch& staticSlider = boundaryMesh()[staticSliderIndex];

    List<pointZone*> pz;
    List<faceZone*> fz;

    bool addSlider = false;

    if (movingSlider.size() > 0 && staticSlider.size() > 0)
    {
        addSlider = true;

        pz.setSize(1);
        fz.setSize(3);

        Info<< "Time = " << time().timeName() << endl
            << "Adding zones and modifiers to the mesh" << endl;

        // Add zones

        // Add an empty zone for cut points

        pz[0] = new pointZone
        (
            "cutPointZone",
            labelList(0),
            0,
            pointZones()
        );


        // Do face zones for slider

        // Moving slider
        labelList isf(movingSlider.size());

        forAll (isf, i)
        {
            isf[i] = movingSlider.start() + i;
        }
Пример #10
0
void Foam::movingConeTopoFvMesh::addZonesAndModifiers()
{
    // Add zones and modifiers for motion action

    if
    (
        pointZones().size()
     || faceZones().size()
     || cellZones().size()
     || topoChanger_.size()
    )
    {
        Info<< "void movingConeTopoFvMesh::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        return;
    }

    Info<< "Time = " << time().timeName() << endl
        << "Adding zones and modifiers to the mesh" << endl;

    const vectorField& fc = faceCentres();
    const vectorField& fa = faceAreas();

    labelList zone1(fc.size());
    boolList flipZone1(fc.size(), false);
    label nZoneFaces1 = 0;

    labelList zone2(fc.size());
    boolList flipZone2(fc.size(), false);
    label nZoneFaces2 = 0;

    forAll(fc, faceI)
    {
        if
        (
            fc[faceI].x() > -0.003501
         && fc[faceI].x() < -0.003499
        )
        {
            if ((fa[faceI] & vector(1, 0, 0)) < 0)
            {
                flipZone1[nZoneFaces1] = true;
            }

            zone1[nZoneFaces1] = faceI;
            Info<< "face " << faceI << " for zone 1.  Flip: "
                << flipZone1[nZoneFaces1] << endl;
            nZoneFaces1++;
        }
        else if
        (
            fc[faceI].x() > -0.00701
         && fc[faceI].x() < -0.00699
        )
        {
            zone2[nZoneFaces2] = faceI;

            if ((fa[faceI] & vector(1, 0, 0)) > 0)
            {
                flipZone2[nZoneFaces2] = true;
            }

            Info<< "face " << faceI << " for zone 2.  Flip: "
                << flipZone2[nZoneFaces2] << endl;
            nZoneFaces2++;
        }
    }

    zone1.setSize(nZoneFaces1);
    flipZone1.setSize(nZoneFaces1);

    zone2.setSize(nZoneFaces2);
    flipZone2.setSize(nZoneFaces2);

    Info<< "zone: " << zone1 << endl;
    Info<< "zone: " << zone2 << endl;

    List<pointZone*> pz(0);
    List<faceZone*> fz(2);
    List<cellZone*> cz(0);

    label nFz = 0;

    fz[nFz] =
        new faceZone
        (
            "rightExtrusionFaces",
            zone1,
            flipZone1,
            nFz,
            faceZones()
        );
    nFz++;

    fz[nFz] =
        new faceZone
        (
            "leftExtrusionFaces",
            zone2,
            flipZone2,
            nFz,
            faceZones()
        );
    nFz++;

    fz.setSize(nFz);

    Info<< "Adding mesh zones." << endl;
    addZones(pz, fz, cz);


    // Add layer addition/removal interfaces

    List<polyMeshModifier*> tm(2);
    label nMods = 0;

    tm[nMods] =
        new layerAdditionRemoval
        (
            "right",
            nMods,
            topoChanger_,
            "rightExtrusionFaces",
            readScalar
            (
                motionDict_.subDict("right").lookup("minThickness")
            ),
            readScalar
            (
                motionDict_.subDict("right").lookup("maxThickness")
            )
        );
    nMods++;

    tm[nMods] = new layerAdditionRemoval
    (
        "left",
        nMods,
        topoChanger_,
        "leftExtrusionFaces",
        readScalar
        (
            motionDict_.subDict("left").lookup("minThickness")
        ),
        readScalar
        (
            motionDict_.subDict("left").lookup("maxThickness")
        )
    );
    nMods++;
    tm.setSize(nMods);

    Info<< "Adding " << nMods << " mesh modifiers" << endl;
    topoChanger_.addTopologyModifiers(tm);

    write();
}
void Foam::layerAR::addZonesAndModifiers()
{
    // Add the zones and mesh modifiers to operate piston motion

    if
    (
        pointZones().size() > 0
     || faceZones().size() > 0
     || cellZones().size() > 0
    )
    {
        Info<< "void layerAR::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        if (topoChanger_.size() == 0)
        {
            FatalErrorIn
            (
                "void layerAR::addZonesAndModifiers()"
            )   << "Mesh modifiers not read properly"
                << abort(FatalError);
        }

        setVirtualPistonPosition();
        checkAndCalculate();

        return;
    }

    checkAndCalculate();

    Info<< "Time = " << engTime().theta() << endl
        << "Adding zones to the engine mesh" << endl;

    //fz = 1: faces where layer are added/removed
    //pz = 2: points below the virtual piston faces and head points

    List<pointZone*> pz(2);
    List<faceZone*> fz(1);
    List<cellZone*> cz(0);

    label nPointZones = 0;
    label nFaceZones = 0;

    // Add the piston zone
    if (piston().patchID().active() && offSet() > SMALL)
    {

        // Piston position

        label pistonPatchID = piston().patchID().index();

        scalar zPist = max(boundary()[pistonPatchID].patch().localPoints()).z();

        scalar zPistV = zPist + offSet();

        labelList zone1(faceCentres().size());
        boolList flipZone1(faceCentres().size(), false);
        label nZoneFaces1 = 0;

        bool foundAtLeastOne = false;
        scalar zHigher = GREAT;
        scalar dh = GREAT;
        scalar dl = GREAT;

        forAll (faceCentres(), faceI)
        {
            scalar zc = faceCentres()[faceI].z();
            vector n = faceAreas()[faceI]/mag(faceAreas()[faceI]);
            scalar dd = n & vector(0,0,1);

            if (dd > 0.1)
            {
                if (zPistV - zc > 0 && zPistV - zc < dl)
                {
                    dl = zPistV - zc;
                }

                if (zc - zPistV > 0 && zc - zPistV < dh)
                {
                    zHigher = zc;
                    dh = zc - zHigher;
                }

                if
                (
                    zc > zPistV - delta()
                    && zc < zPistV + delta()
                )
                {
                    foundAtLeastOne = true;
                    if ((faceAreas()[faceI] & vector(0,0,1)) < 0)
                    {
                        flipZone1[nZoneFaces1] = true;
                    }

                    zone1[nZoneFaces1] = faceI;
                    nZoneFaces1++;
                }
            }
        }
void Foam::simpleTwoStroke::addZonesAndModifiers()
{
    // Add the zones and mesh modifiers to operate piston motion

    if
    (
        pointZones().size() > 0
        || faceZones().size() > 0
        || cellZones().size() > 0
    )
    {
        Info<< "Time = " << engTime().theta() << endl;
        Info<< "void simpleTwoStroke::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        if (topoChanger_.size() == 0)
        {
            FatalErrorIn
            (
                "void simpleTwoStroke::addZonesAndModifiers()"
            )   << "Mesh modifiers not read properly"
                << abort(FatalError);
        }

        setVirtualPistonPosition();
        checkAndCalculate();

        return;


    }

    Info << "checkAndCalculate()" << endl;
    checkAndCalculate();

    Info<< "Time = " << engTime().theta() << endl
        << "Adding zones to the engine mesh" << endl;


    //fz = 4: virtual piston, outSidePort, insidePort, cutFaceZone
    //pz = 2: piston points, cutPointZone
    //cz = 1: moving mask

    List<pointZone*> pz(3);
    List<faceZone*> fz(4);
    List<cellZone*> cz(1);

    label nPointZones = 0;
    label nFaceZones = 0;
    label nCellZones = 0;

    // Add the piston zone
    if (piston().patchID().active())
    {

        // Piston position

        Info << "Adding face zone for piston layer addition/removal" << endl;

        label pistonPatchID = piston().patchID().index();

        scalar zPist =
            max(boundary()[pistonPatchID].patch().localPoints()).z();

        scalar zPistV = zPist + offSet();

        labelList zone1(faceCentres().size());
        boolList flipZone1(faceCentres().size(), false);
        label nZoneFaces1 = 0;

        bool foundAtLeastOne = false;
        scalar zHigher = GREAT;
        scalar dh = GREAT;
        scalar dl = GREAT;

        forAll (faceCentres(), faceI)
        {
            // The points have to be in the cylinder and not in the ports....

            scalar zc = faceCentres()[faceI].z();

            scalar xc = faceCentres()[faceI].x();
            scalar yc = faceCentres()[faceI].y();

            vector n = faceAreas()[faceI]/mag(faceAreas()[faceI]);
            scalar dd = n & vector(0,0,1);

            if(sqrt(sqr(xc)+sqr(yc)) <  0.5 * engTime().bore().value())
            {
                if (dd > 0.1)
                {
                    if (zPistV - zc > 0 && zPistV - zc < dl)
                    {
                        dl = zPistV - zc;
                    }

                    if (zc - zPistV > 0 && zc - zPistV < dh)
                    {
                        zHigher = zc;
                        dh = zc - zHigher;
                    }

                    if
                    (
                        zc > zPistV - delta()
                        && zc < zPistV + delta()
                    )
                    {
                        foundAtLeastOne = true;
                        if ((faceAreas()[faceI] & vector(0,0,1)) < 0)
                        {
                            flipZone1[nZoneFaces1] = true;
                        }

                        zone1[nZoneFaces1] = faceI;
                        nZoneFaces1++;
                    }
                }
            }
        }
void Foam::movingBodyTopoFvMesh::addZonesAndModifiers()
{
    // Add zones and modifiers for motion action

    if (topoChanger_.size() > 0)
    {
        Info<< "void movingBodyTopoFvMesh::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        return;
    }

    // Add layer addition/removal interfaces
    topoChanger_.setSize(2);
    label nMods = 0;


    faceZoneID frontFacesID(frontFacesName_, faceZones());
    faceZoneID backFacesID(backFacesName_, faceZones());

    if (frontFacesID.active())
    {
        const faceZone& frontFaces = faceZones()[frontFacesID.index()];

        if (!frontFaces.empty())
        {
            topoChanger_.set
            (
                nMods,
                new layerAdditionRemoval
                (
                    frontFacesName_ + "Layer",
                    nMods,
                    topoChanger_,
                    frontFacesName_,
                    readScalar
                    (
                        dict_.subDict("front").lookup("minThickness")
                    ),
                    readScalar
                    (
                        dict_.subDict("front").lookup("maxThickness")
                    )
                )
            );

            nMods++;
        }
    }

    if (backFacesID.active())
    {
        const faceZone& backFaces = faceZones()[backFacesID.index()];

        if (!backFaces.empty())
        {
            topoChanger_.set
            (
                nMods,
                new layerAdditionRemoval
                (
                    backFacesName_ + "Layer",
                    nMods,
                    topoChanger_,
                    backFacesName_,
                    readScalar
                    (
                        dict_.subDict("back").lookup("minThickness")
                    ),
                    readScalar
                    (
                        dict_.subDict("back").lookup("maxThickness")
                    )
                )
            );

            nMods++;
        }
    }

    topoChanger_.setSize(nMods);

    reduce(nMods, sumOp<label>());

    Info << "Adding " << nMods << " mesh modifiers" << endl;

    // Write mesh and modifiers
    topoChanger_.write();

    // No need to write the mesh - only modifiers are added.
    // HJ, 18/Feb/2011
//     write();
}
void Foam::simpleEngineTopoFvMesh::addZonesAndModifiers()
{
    // Add the zones and mesh modifiers to operate piston and valve motion

    if
    (
        pointZones().size() > 0
     || faceZones().size() > 0
     || cellZones().size() > 0
    )
    {
        Info<< "void Foam::simpleEngineTopoFvMesh::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        if (topoChanger_.size() == 0)
        {
            FatalErrorIn
            (
                "void simpleEngineTopoFvMesh::addZonesAndModifiers()"
            )   << "Mesh modifiers not read properly"
                << abort(FatalError);
        }

        return;
    }

    Info<< "Time = " << engineTime_.theta() << endl
        << "Adding zones to the engine mesh" << endl;

    List<pointZone*> pz(nValves());
    List<faceZone*> fz(6*nValves() + 1);
    List<cellZone*> cz(0);

    label nPointZones = 0;
    label nFaceZones = 0;

    for (label valveI = 0; valveI < nValves(); valveI++)
    {
        // If both sides of the interface exist, add sliding interface
        // for a valve
        if
        (
            valves_[valveI].curtainInCylinderPatchID().active()
         && valves_[valveI].curtainInPortPatchID().active()
        )
        {
            Info<< "Adding sliding interface zones for curtain of valve "
                << valveI + 1 << endl;

            pz[nPointZones] =
                new pointZone
                (
                    "cutPointsV" + Foam::name(valveI + 1),
                    labelList(0),
                    nPointZones,
                    pointZones()
                );
            nPointZones++;

            const polyPatch& cylCurtain =
                boundaryMesh()
                    [valves_[valveI].curtainInCylinderPatchID().index()];

            labelList cylCurtainLabels(cylCurtain.size(), cylCurtain.start());

            forAll (cylCurtainLabels, i)
            {
                cylCurtainLabels[i] += i;
            }

            fz[nFaceZones] =
                new faceZone
                (
                    "curtainCylZoneV" + Foam::name(valveI + 1),
                    cylCurtainLabels,
                    boolList(cylCurtainLabels.size(), false),
                    nFaceZones,
                    faceZones()
                );
            nFaceZones++;

            const polyPatch& portCurtain =
                boundaryMesh()
                    [valves_[valveI].curtainInPortPatchID().index()];

            labelList portCurtainLabels
            (
                portCurtain.size(),
                portCurtain.start()
            );

            forAll (portCurtainLabels, i)
            {
                portCurtainLabels[i] += i;
            }

            fz[nFaceZones] =
                new faceZone
                (
                    "curtainPortZoneV" + Foam::name(valveI + 1),
                    portCurtainLabels,
                    boolList(portCurtainLabels.size(), false),
                    nFaceZones,
                    faceZones()
                );
            nFaceZones++;

            // Add empty zone for cut faces
            fz[nFaceZones] =
                new faceZone
                (
                    "cutFaceZoneV" + Foam::name(valveI + 1),
                    labelList(0),
                    boolList(0, false),
                    nFaceZones,
                    faceZones()
                );
            nFaceZones++;

            // Create a detach zone
            if
            (
                valves_[valveI].detachInCylinderPatchID().active()
             && valves_[valveI].detachInPortPatchID().active()
             && valves_[valveI].detachFaces().size() > 0
            )
            {
                Info<< "Adding detach boundary for valve "
                    << valveI + 1 << endl;

                const vectorField& areas = Sf().internalField();

                const labelList& df = valves_[valveI].detachFaces();

                boolList flip(df.size(), false);

                const vector& pistonAxis = piston().cs().axis();

                forAll (df, dfI)
                {
                    if (isInternalFace(df[dfI]))
                    {
                        if ((areas[df[dfI]] & pistonAxis) > 0)
                        {
                            flip[dfI] = true;
                        }
                    }
                    else
                    {
                        FatalErrorIn
                        (
                            "void simpleEngineTopoFvMesh::"
                            "addZonesAndModifiers()"
                        )   << "found boundary face in valve detach definition"
                            << " for valve " << valveI + 1
                            << ".  This is not allowed.  Detach faces: "
                            << df << " nInternalFaces: " << nInternalFaces()
                            << abort(FatalError);
                    }
                }

                // Add detach face zone
                fz[nFaceZones] =
                    new faceZone
                    (
                        "detachFaceZoneV" + Foam::name(valveI + 1),
                        df,
                        flip,
                        nFaceZones,
                        faceZones()
                    );
                nFaceZones++;
            }
        }
Пример #15
0
bool Foam::movingConeTopoFvMesh::update()
{
    // Do mesh changes (use inflation - put new points in topoChangeMap)
    autoPtr<mapPolyMesh> topoChangeMap = topoChanger_.changeMesh(true);

    // Calculate the new point positions depending on whether the
    // topological change has happened or not
    pointField newPoints;

    vector curMotionVel_ =
        motionVelAmplitude_*
        Foam::sin(time().value()*M_PI/motionVelPeriod_);

    Pout<< "time:" << time().value() << " curMotionVel_:" << curMotionVel_
        << " curLeft:" << curLeft_ << " curRight:" << curRight_
        << endl;

    if (topoChangeMap.valid())
    {
        Info<< "Topology change. Calculating motion points" << endl;

        if (topoChangeMap().hasMotionPoints())
        {
            Info<< "Topology change. Has premotion points" << endl;
            //Info<< "preMotionPoints:" << topoChangeMap().preMotionPoints()
            //    << endl;

            //mkDir(time().timePath());
            //{
            //    OFstream str(time().timePath()/"meshPoints.obj");
            //    Pout<< "Writing mesh with meshPoints to " << str.name()
            //        << endl;
            //
            //    const pointField& currentPoints = points();
            //    label vertI = 0;
            //    forAll(currentPoints, pointI)
            //    {
            //        meshTools::writeOBJ(str, currentPoints[pointI]);
            //        vertI++;
            //    }
            //    forAll(edges(), edgeI)
            //    {
            //        const edge& e = edges()[edgeI];
            //        str << "l " << e[0]+1 << ' ' << e[1]+1 << nl;
            //    }
            //}
            //{
            //    OFstream str(time().timePath()/"preMotionPoints.obj");
            //    Pout<< "Writing mesh with preMotionPoints to " << str.name()
            //        << endl;
            //
            //    const pointField& newPoints =
            //        topoChangeMap().preMotionPoints();
            //    label vertI = 0;
            //    forAll(newPoints, pointI)
            //    {
            //        meshTools::writeOBJ(str, newPoints[pointI]);
            //        vertI++;
            //    }
            //    forAll(edges(), edgeI)
            //    {
            //        const edge& e = edges()[edgeI];
            //        str << "l " << e[0]+1 << ' ' << e[1]+1 << nl;
            //    }
            //}


            motionMask_ =
                vertexMarkup
                (
                    topoChangeMap().preMotionPoints(),
                    curLeft_,
                    curRight_
                );

            // Move points inside the motionMask
            newPoints =
                topoChangeMap().preMotionPoints()
              + (
                    pos(0.5 - mag(motionMask_)) // cells above the body
                )*curMotionVel_*time().deltaT().value();
        }
        else
        {
            Info<< "Topology change. Already set mesh points" << endl;

            motionMask_ =
                vertexMarkup
                (
                    points(),
                    curLeft_,
                    curRight_
                );

            // Move points inside the motionMask
            newPoints =
                points()
              + (
                    pos(0.5 - mag(motionMask_)) // cells above the body
                )*curMotionVel_*time().deltaT().value();
        }
    }
    else
    {
        Info<< "No topology change" << endl;
        // Set the mesh motion
        newPoints =
            points()
          + (
                pos(0.5 - mag(motionMask_)) // cells above the body
           )*curMotionVel_*time().deltaT().value();
    }

    // The mesh now contains the cells with zero volume
    Info << "Executing mesh motion" << endl;
    movePoints(newPoints);
    //  The mesh now has got non-zero volume cells

    curLeft_ = average
    (
        faceZones()
        [
            faceZones().findZoneID("leftExtrusionFaces")
        ]().localPoints()
    ).x() - SMALL;

    curRight_ = average
    (
        faceZones()
        [
            faceZones().findZoneID("rightExtrusionFaces")
        ]().localPoints()
    ).x() + SMALL;


    return true;
}
void Foam::engineValveSliding::addZonesAndModifiers()
{
    // Add the zones and mesh modifiers to operate piston motion

    if
    (
        pointZones().size() > 0
     || faceZones().size() > 0
     || cellZones().size() > 0
     || topoChanger_.size() > 0
    ) 
    {
        Info<< "Time = " << engTime().theta() << endl;
        Info<< "void Foam::verticalValvesGambit::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;
        
        setVirtualPositions();
//        checkAndCalculate();

        Info << "Point zones found = " << pointZones().size() << endl;
        Info << "Face zones found = " << faceZones().size() << endl;
        Info << "Cell zones found = " << cellZones().size() << endl;
        
        return;

    }

    Info << "checkAndCalculate()" << endl;

    Info<< "Time = " << engTime().theta() << endl
        << "Adding zones to the engine mesh" << endl;

/*
    Point zones
    1) Piston points
    1) Cut point zone for liner in head

    nValves*
    1) cutPointsV            
    2) valveTopPoints
    3) valveBottomPoints
*/
    
    DynamicList<pointZone*> pz;
 
/*
    Face zones
    1) Piston layer faces

    nValves*
    1) valveTopLayerFaces
    2) valveBottomLayerFaces
    3) valveCurtainPort
    4) valveCurtainCyl
    5) cutFaceV
*/
    DynamicList<faceZone*> fz;

/*
    cell zones
    1) moving cells inside piston

    nValves*
    1) moving cells in the top of the valve
    2) moving cells in the bottom of the valve
*/

    DynamicList<cellZone*> cz;

    label nPointZones = 0;
    label nFaceZones = 0;
    label nCellZones = 0;

/* 
    Adding the following faces zones:
    1:  pistonLayerFaces
    nV: pistonLayerFacesV
    
    Adding the following cell zones:
    1:  movingCellsPiston
    nV:  movingCellsPistonV
    
    Adding the following point zones:
    1: pistonPoints
    nV: valvePistonPointsV

*/

#   include "addPistonFacesPointZonesEngineValveSliding.H"

/*
    Adding the following face zones:
    
    nV: curtainCylZoneV
    nV: curtainPortZoneV
    nV: cutFaceZoneV
    nV: poppetZoneV
    nV: bottomZoneV
    
    Adding the following point zones:

    nV: cutPointsV
    
*/

#   include "addValvesFacesPointZonesEngineValveSliding.H"

/*
    
    Adding the following point zones:
    
    nV: valveTopPointsV
    nV: valveBottomPointsV

    Adding the following cell zones:

    nV: movingCellsTopV
    nV: movingCellsBotV

*/

#   include "addOutputCellsEngineValveSliding.H"

    Info<< "Adding " << nPointZones << " point, "
        << nFaceZones << " face zones and "
        << nCellZones << " cell zones" << endl;

    pz.setSize(nPointZones);
    Info << "setSize pz" << endl;
    fz.setSize(nFaceZones);
    Info << "setSize fz" << endl;
    cz.setSize(nCellZones);
    Info << "setSize cz" << endl;

    addZones(pz, fz, cz);

#   include "addMeshModifiersEngineValveSliding.H"

    // Calculating the virtual positions of piston and valves

    setVirtualPositions();

    Info << " Write mesh " << endl;
    // Write mesh and modifiers
    topoChanger_.writeOpt() = IOobject::AUTO_WRITE;
    write();

    Info << " Mesh written " << endl;

//    Info << "virtualPistonPosition = " << virtualPistonPosition() << endl;
//    Info << "piston position = " << pistonPosition() << endl;

}
Пример #17
0
void Foam::simpleTwoStroke::calcMovingMasks() const
{
    if (debug)
    {
        Info<< "void movingSquaresTM::calcMovingMasks() const : "
            << "Calculating point and cell masks"
            << endl;
    }

    if (movingPointsMaskPtr_)
    {
        FatalErrorIn("void movingSquaresTM::calcMovingMasks() const")
            << "point mask already calculated"
            << abort(FatalError);
    }

    // Set the point mask
    movingPointsMaskPtr_ = new scalarField(allPoints().size(), 0);
    scalarField& movingPointsMask = *movingPointsMaskPtr_;

    const cellList& c = cells();
    const faceList& f = allFaces();

    const labelList& cellAddr =
        cellZones()[cellZones().findZoneID("movingCells")];

    forAll (cellAddr, cellI)
    {
        const cell& curCell = c[cellAddr[cellI]];

        forAll (curCell, faceI)
        {
            // Mark all the points as moving
            const face& curFace = f[curCell[faceI]];

            forAll (curFace, pointI)
            {
                movingPointsMask[curFace[pointI]] = 1;
            }
        }
    }

    
    if(foundScavPorts())
    {

        const word innerScavZoneName
        (
            scavInCylPatchName_  + "Zone"
        );

        const labelList& innerScavAddr =
            faceZones()[faceZones().findZoneID(innerScavZoneName)];

        forAll (innerScavAddr, faceI)
        {
            const face& curFace = f[innerScavAddr[faceI]];

            forAll (curFace, pointI)
            {
                movingPointsMask[curFace[pointI]] = 1;
            }
        }

        const word outerScavZoneName
        (
            scavInPortPatchName_ + "Zone"
        );

        const labelList& outerScavAddr =
            faceZones()[faceZones().findZoneID(outerScavZoneName)];

        forAll (outerScavAddr, faceI)
        {
            const face& curFace = f[outerScavAddr[faceI]];

            forAll (curFace, pointI)
            {
                movingPointsMask[curFace[pointI]] = 0;
            }
        }
    
    }
           
}
void Foam::linearValveLayersFvMesh::addZonesAndModifiers()
{
    // Inner slider
    const word innerSliderName(motionDict_.subDict("slider").lookup("inside"));

    // Outer slider
    const word outerSliderName
    (
        motionDict_.subDict("slider").lookup("outside")
    );

    bool initialised = false;

    // Check if zones and modifiers for motion action are present
    label insideZoneID = faceZones().findZoneID(innerSliderName + "Zone");
    label outsideZoneID = faceZones().findZoneID(outerSliderName + "Zone");

    if
    (
        insideZoneID > -1
     || outsideZoneID > -1
    )
    {
        // Zones found.  Check topo changer

        if (topoChanger_.empty())
        {
            FatalErrorIn
            (
                "void linearValveLayersFvMesh::addZonesAndModifiers()"
            )   << "Mesh modifiers not read properly"
                << abort(FatalError);
        }

        initialised = true;
    }

    // Check if slider has been initialised on any of the processors
    reduce(initialised, orOp<bool>());

    if (initialised)
    {
        InfoIn("void linearValveLayersFvMesh::addZonesAndModifiers()")
            << "Zones and modifiers already present.  Skipping."
            << endl;

        return;
    }

    // Add zones and modifiers for motion action
    Info<< "Time = " << time().timeName() << endl
        << "Adding zones and modifiers to the mesh" << endl;

    // Add zones
    label nPz = 0;
    label nFz = 0;
    label nCz = 0;
    List<pointZone*> pz(pointZones().size() + 1);
    List<faceZone*> fz(faceZones().size() + 4);
    List<cellZone*> cz(cellZones().size());

    // Add a topology modifier
    topoChanger_.setSize(2);
    label nTc = 0;

    // Copy existing point zones
    forAll (pointZones(), zoneI)
    {
        pz[nPz] = pointZones()[zoneI].clone(pointZones()).ptr();
        nPz++;
    }  
 // Copy existing face zones
 forAll (faceZones(), zoneI)
 {
     fz[nFz] = faceZones()[zoneI].clone(faceZones()).ptr();
     nFz++;
 }
Foam::tmp<Foam::scalarField>
Foam::movingBodyTopoFvMesh::calcMotionMask() const
{
    Info<< "Updating vertex markup" << endl;

    tmp<scalarField> tvertexMarkup(new scalarField(allPoints().size(), 0));
    scalarField& vertexMarkup = tvertexMarkup();

    cellZoneID movingCellsID(movingCellsName_, cellZones());

    // In order to do a correct update on a mask on processor boundaries,
    // Detection of moving cells should use patchNeighbourField for
    // processor (not coupled!) boundaries.  This is done by expanding
    // a moving cell set into a field and making sure that processor patch
    // points move in sync.  Not done at the moment, probably best to do
    // using parallel update of pointFields.  HJ, 19/Feb/2011

    // If moving cells are found, perform mark-up
    if (movingCellsID.active())
    {
        // Get cell-point addressing
        const labelListList& cp = cellPoints();

        // Get labels of all moving cells
        const labelList& movingCells = cellZones()[movingCellsID.index()];

        forAll (movingCells, cellI)
        {
            const labelList& curCp = cp[movingCells[cellI]];

            forAll (curCp, pointI)
            {
                vertexMarkup[curCp[pointI]] = 1;
            }
        }
    }

    faceZoneID frontFacesID(frontFacesName_, faceZones());

    if (frontFacesID.active())
    {
        const faceZone& frontFaces = faceZones()[frontFacesID.index()];

        const labelList& mp = frontFaces().meshPoints();

        forAll (mp, mpI)
        {
            vertexMarkup[mp[mpI]] = 1;
        }
    }

    faceZoneID backFacesID(backFacesName_, faceZones());

    if (backFacesID.active())
    {
        const faceZone& backFaces = faceZones()[backFacesID.index()];

        const labelList& mp = backFaces().meshPoints();

        forAll (mp, mpI)
        {
            vertexMarkup[mp[mpI]] = 1;
        }
    }

    return tvertexMarkup;
}
        boundaryMesh()[boundaryMesh().findPatchID(innerSliderName)];

    labelList isf(innerSlider.size());

    forAll (isf, i)
    {
        isf[i] = innerSlider.start() + i;
    }

    fz[0] = new faceZone
    (
        "insideSliderZone",
        isf,
        boolList(innerSlider.size(), false),
        0,
        faceZones()
    );

    // Outer slider
    const word outerSliderName(motionDict_.subDict("slider").lookup("outside"));
    const polyPatch& outerSlider =
        boundaryMesh()[boundaryMesh().findPatchID(outerSliderName)];

    labelList osf(outerSlider.size());

    forAll (osf, i)
    {
        osf[i] = outerSlider.start() + i;
    }

    fz[1] = new faceZone
Пример #22
0
void Foam::layerSmooth::addZonesAndModifiers()
{
    // Add the zones and mesh modifiers to operate piston motion

    if
    (
/*
        pointZones().size() > 0
     || faceZones().size() > 0
     || cellZones().size() > 0
     || topoChanger_.size() > 0
*/
        pointZones().size() > 0
     && faceZones().size() > 0
     && topoChanger_.size() > 0
    )
    {
        Info<< "Time = " << engTime().theta() << endl;
        Info<< "void Foam::layerSmooth::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;

        setVirtualPositions();
        checkAndCalculate();

        Info << "Point zones found = " << pointZones().size() << endl;
        Info << "Face zones found = " << faceZones().size() << endl;
        Info << "Cell zones found = " << cellZones().size() << endl;

        return;
    }
    else
    {
        pointZones().setSize(0);
        faceZones().setSize(0);
        cellZones().setSize(0);
        topoChanger_.setSize(0);
    }

    if
    (
        engTime().engineDict().found("zOffsetGambit")
     && engTime().engineDict().found("zDisplGambit")
    )
    {
        Info << "Assembling the cylinder mesh" << endl;

        scalar zOffset
        (
            readScalar(engTime().engineDict().lookup("zOffsetGambit"))
        );

        scalar zDispl
        (
            readScalar(engTime().engineDict().lookup("zDisplGambit"))
        );

        const pointField& ap = allPoints();

        pointField pDispl = allPoints();

        forAll(ap, pointI)
        {
            const point p = ap[pointI];

            if (p.z() >= zOffset)
            {
                pDispl[pointI].z() -= zDispl;
            }
        }


        movePoints(pDispl);
        write();
        resetMotion();

        Info << "Cylinder mesh assembled" << endl;
    }
Пример #23
0
void Foam::thoboisMesh::addZonesAndModifiers()
{
    // Add the zones and mesh modifiers to operate piston motion

    if
    (
        pointZones().size() > 0
     && faceZones().size() > 0
     && topoChanger_.size() > 0

    ) 
    {
        Info<< "Time = " << engTime().theta() << endl;
        Info<< "void Foam::thoboisMesh::addZonesAndModifiers() : "
            << "Zones and modifiers already present.  Skipping."
            << endl;
        
        setVirtualPositions();
        checkAndCalculate();

        Info << "Point zones found = " << pointZones().size() << endl;
        Info << "Face zones found = " << faceZones().size() << endl;
        Info << "Cell zones found = " << cellZones().size() << endl;
        
        return;

    }
    else
    {
        pointZones().setSize(0);
        faceZones().setSize(0);
        cellZones().setSize(0);
        topoChanger_.setSize(0);
    }

    
    Info << "checkAndCalculate()" << endl;
    checkAndCalculate();

    Info<< "Time = " << engTime().theta() << endl
        << "Adding zones to the engine mesh" << endl;

/*
    Point zones
    1) Piston points
*/
    
    DynamicList<pointZone*> pz;
 
/*
    Face zones
    1) Piston layer faces

*/
    DynamicList<faceZone*> fz;

/*
*/

    DynamicList<cellZone*> cz;

    label nPointZones = 0;
    label nFaceZones = 0;
    label nCellZones = 0;

/* 

    Adding the following faces zones:
    1:  pistonLayerFaces
    nv: movingFaces
    nv: staticFaces
    nv: detachFaces

    Adding the following point zones:
    1:  pistonPoints
    nv:  movingValvePoints
    nv:  staticValvePoints

*/

#   include "addPistonFacesPointZonesThoboisMesh.H"

//#   include "addAttachDetachFacesThoboisMesh.H"

    Info<< "Adding " << nPointZones << " point, "
        << nFaceZones << " face zones and "
        << nCellZones << " cell zones" << endl;

#   include "addValveFaceZonesThoboisMesh.H"

    pz.setSize(nPointZones);
    Info << "setSize pz" << endl;
    fz.setSize(nFaceZones);
    Info << "setSize fz" << endl;
    cz.setSize(nCellZones);
    Info << "setSize cz" << endl;

    addZones(pz, fz, cz);

#   include "addMeshModifiersThoboisMesh.H"

    // Calculating the virtual positions of piston and valves

    setVirtualPositions();

    // Write mesh and modifiers
    topoChanger_.writeOpt() = IOobject::AUTO_WRITE;
    write();

    Info << "virtualPistonPosition = " << virtualPistonPosition() << endl;
    Info << "piston position = " << pistonPosition() << endl;
}
void Foam::sixDofTopoMotion::addZonesAndModifiers()
{
    // Add zones and modifiers for motion action

    if (useTopoSliding_)
    {
        if
        (
            pointZones().size() > 0
         || faceZones().size() > 0
         || cellZones().size() > 0
        )
        {
            Info<< "void sixDofTopoMotion::addZonesAndModifiers() : "
                << "Zones and modifiers already present.  Skipping."
                << endl;

            if (topoChanger_.size() == 0)
            {
                FatalErrorIn
                (
                    "void sixDofTopoMotion::addZonesAndModifiers()"
                )   << "Mesh modifiers not read properly"
                    << abort(FatalError);
            }

            return;
        }

        Info<< "Time = " << time().timeName() << endl
            << "Adding zones and modifiers to the mesh" << endl;

        // Add zones
        List<pointZone*> pz(3*bodies_.size());
        List<faceZone*> fz(3*bodies_.size());
        List<cellZone*> cz(0);

        label npz = 0;
        label nfz = 0;
        label nSliders = 0;

        forAll (bodies_, bodyI)
        {
            const floatingBody& curBody = bodies_[bodyI];

            if
            (
                curBody.hullSlider().active()
             && curBody.fixedSlider().active()
            )
            {
                nSliders++;

                // Add an empty zone for cut points
                pz[npz] = new pointZone
                (
                    curBody.name() + "CutPointZone",
                    labelList(0),
                    npz,
                    pointZones()
                );
                npz++;

                // Do face zones for slider

                // Inner slider
                const polyPatch& innerSlider =
                    boundaryMesh()[curBody.hullSlider().index()];

                labelList isf(innerSlider.size());

                forAll (isf, i)
                {
                    isf[i] = innerSlider.start() + i;
                }

                fz[nfz] = new faceZone
                (
                    curBody.name() + "InsideSliderZone",
                    isf,
                    boolList(innerSlider.size(), false),
                    nfz,
                    faceZones()
                );
                nfz++;

                // Outer slider
                const polyPatch& outerSlider =
                    boundaryMesh()[curBody.fixedSlider().index()];

                labelList osf(outerSlider.size());

                forAll (osf, i)
                {
                    osf[i] = outerSlider.start() + i;
                }

                fz[nfz] = new faceZone
                (
                    curBody.name() + "OutsideSliderZone",
                    osf,
                    boolList(outerSlider.size(), false),
                    nfz,
                    faceZones()
                );
                nfz++;

                // Add empty zone for cut faces
                fz[nfz] = new faceZone
                (
                    curBody.name() + "CutFaceZone",
                    labelList(0),
                    boolList(0, false),
                    nfz,
                    faceZones()
                );
                nfz++;
            }