Ejemplo n.º 1
0
void calcYPlus
(
    const TurbulenceModel& turbulenceModel,
    const fvMesh& mesh,
    const volVectorField& U,
    volScalarField& yPlus
)
{
    volScalarField::GeometricBoundaryField d = nearWallDist(mesh).y();

    const volScalarField::GeometricBoundaryField nutBf =
        turbulenceModel->nut()().boundaryField();

    const volScalarField::GeometricBoundaryField nuEffBf =
        turbulenceModel->nuEff()().boundaryField();

    const volScalarField::GeometricBoundaryField nuBf =
        turbulenceModel->nu()().boundaryField();

    const fvPatchList& patches = mesh.boundary();

    forAll(patches, patchi)
    {
        const fvPatch& patch = patches[patchi];

        if (isA<nutWallFunctionFvPatchScalarField>(nutBf[patchi]))
        {
            const nutWallFunctionFvPatchScalarField& nutPf =
                dynamic_cast<const nutWallFunctionFvPatchScalarField&>
                (
                    nutBf[patchi]
                );

            yPlus.boundaryField()[patchi] = nutPf.yPlus();
            const scalarField& Yp = yPlus.boundaryField()[patchi];

            Info<< "Patch " << patchi
                << " named " << nutPf.patch().name()
                << ", wall-function " << nutPf.type()
                << ", y+ : min: " << gMin(Yp) << " max: " << gMax(Yp)
                << " average: " << gAverage(Yp) << nl << endl;
        }
        else if (isA<wallFvPatch>(patch))
        {
            yPlus.boundaryField()[patchi] =
                d[patchi]
               *sqrt
                (
                    nuEffBf[patchi]
                   *mag(U.boundaryField()[patchi].snGrad())
                )/nuBf[patchi];
            const scalarField& Yp = yPlus.boundaryField()[patchi];

            Info<< "Patch " << patchi
                << " named " << patch.name()
                << " y+ : min: " << gMin(Yp) << " max: " << gMax(Yp)
                << " average: " << gAverage(Yp) << nl << endl;
        }
    }
}
void Foam::componentDisplacementMotionSolver::updateMesh(const mapPolyMesh& mpm)
{
    // pointMesh already updates pointFields.

    motionSolver::updateMesh(mpm);

    // Map points0_. Bit special since we somehow have to come up with
    // a sensible points0 position for introduced points.
    // Find out scaling between points0 and current points

    // Get the new points either from the map or the mesh
    const scalarField points
    (
        mpm.hasMotionPoints()
      ? mpm.preMotionPoints().component(cmpt_)
      : mesh().points().component(cmpt_)
    );

    // Get extents of points0 and points and determine scale
    const scalar scale =
        (gMax(points0_)-gMin(points0_))
       /(gMax(points)-gMin(points));

    scalarField newPoints0(mpm.pointMap().size());

    forAll(newPoints0, pointI)
    {
        label oldPointI = mpm.pointMap()[pointI];

        if (oldPointI >= 0)
        {
            label masterPointI = mpm.reversePointMap()[oldPointI];

            if (masterPointI == pointI)
            {
                newPoints0[pointI] = points0_[oldPointI];
            }
            else
            {
                // New point. Assume motion is scaling.
                newPoints0[pointI] =
                    points0_[oldPointI]
                  + scale*(points[pointI]-points[masterPointI]);
            }
        }
        else
        {
            FatalErrorIn
            (
                "displacementLaplacianFvMotionSolver::updateMesh"
                "(const mapPolyMesh& mpm)"
            )   << "Cannot work out coordinates of introduced vertices."
                << " New vertex " << pointI << " at coordinate "
                << points[pointI] << exit(FatalError);
        }
    }
void Foam::solidWallHeatFluxTemperatureFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }

    gradient() = q_/K();

    fixedGradientFvPatchScalarField::updateCoeffs();

    if (debug)
    {
        scalar Q = gSum(K()*patch().magSf()*snGrad());

        Info<< patch().boundaryMesh().mesh().name() << ':'
            << patch().name() << ':'
            << this->dimensionedInternalField().name() << " :"
            << " heatFlux:" << Q
            << " walltemperature "
            << " min:" << gMin(*this)
            << " max:" << gMax(*this)
            << " avg:" << gAverage(*this)
            << endl;
    }
}
void Foam::bound(volScalarField& vsf, const dimensionedScalar& vsf0)
{
    scalar minVsf = min(vsf).value();

    if (minVsf < vsf0.value())
    {
        Info<< "bounding " << vsf.name()
            << ", min: " << gMin(vsf.internalField())
            << " max: " << gMax(vsf.internalField())
            << " average: " << gAverage(vsf.internalField())
            << endl;

        vsf.internalField() = max
        (
            max
            (
                vsf.internalField(),
                fvc::average(max(vsf, vsf0))().internalField()
                // Bug fix: was assuming bound on zero.  HJ, 25/Nov/2008
                *pos(vsf0.value() - vsf.internalField())
            ),
            vsf0.value()
        );

        vsf.correctBoundaryConditions();
        vsf.boundaryField() = max(vsf.boundaryField(), vsf0.value());
    }
}
Ejemplo n.º 5
0
int main(int argc, char *argv[])
{
    
    #include "postProcess.H"
    #include "setRootCase.H"
    #include "createTime.H"
    #include "createMesh.H"
    #include "createControl.H"

    label inlet  = mesh.boundaryMesh().findPatchID("Inlet"); 
    label outlet = mesh.boundaryMesh().findPatchID("Outlet");

    #include "createFields.H"
    #include "createFvOptions.H"
    #include "initContinuityErrs.H"

    turbulence->validate();

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


    Info<< "\nStarting Iteration loop\n" << endl;
    
    while (simple.loop())
    {
        Info<< "Iteration Number = " << runTime.timeName() << nl << endl;

        // Pressure-velocity SIMPLE corrector
        {
            #include "UEqn.H"
            #include "EEqn.H"
            #include "pEqn.H"
        }
        
        turbulence->correct();

        runTime.write();

        Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"  << "  ClockTime = " << runTime.elapsedClockTime() << " s"  << endl;

        Info<< "Inflow      : "   << -1.0* gSum( phi.boundaryField()[inlet]  )   <<" [kg/s]" << endl;
        Info<< "Outflow     : "   <<       gSum( phi.boundaryField()[outlet] )  <<" [kg/s]" <<  endl;
        Info<< "EnergyInflow  : " << -1.0* gSum( phi.boundaryField()[inlet]  * ( thermo.he().boundaryField()[inlet]  +  0.5*magSqr(U.boundaryField()[inlet])  ) )   <<" [W]" <<  endl;
        Info<< "EnergyOutflow : " <<       gSum( phi.boundaryField()[outlet] * ( thermo.he().boundaryField()[outlet] +  0.5*magSqr(U.boundaryField()[outlet]) ) )   <<" [W]" <<  endl;   
        Info<< "EnergyBalance : " <<       gSum( phi.boundaryField()[outlet] * ( thermo.he().boundaryField()[outlet] +  0.5*magSqr(U.boundaryField()[outlet]) ) ) 
                                     +1.0* gSum( phi.boundaryField()[inlet]  * ( thermo.he().boundaryField()[inlet]  +  0.5*magSqr(U.boundaryField()[inlet])  ) )   <<" [W]" <<  endl;

        Info<< "rho max/avg/min : " << gMax(thermo.rho())   << " " << gAverage(thermo.rho())    << " " << gMin(thermo.rho())   << endl;
        Info<< "T   max/avg/min : " << gMax(thermo.T())     << " " << gAverage(thermo.T())      << " " << gMin(thermo.T())     << endl;
        Info<< "P   max/avg/min : " << gMax(thermo.p())     << " " << gAverage(thermo.p())      << " " << gMin(thermo.p())     << endl;
        Info<< "Prg max/avg/min : " << gMax(p_rgh)          << " " << gAverage(p_rgh)           << " " << gMin(p_rgh)          << endl;
        Info<< "U   max/avg/min : " << gMax(U).component(2) << " " << gAverage(U).component(2)  << " " << gMin(U).component(2) << endl;
        Info<< "Prg max-min : "  << gMax(p_rgh)  -  gMin(p_rgh) << endl;      
        Info<< " " << endl;
    }

    Info<< "End\n" << endl;

    return 0;
}
Ejemplo n.º 6
0
    forAllConstIter(labelHashSet, patchSet_, iter)
    {
        label patchi = iter.key();
        const polyPatch& pp = mesh.boundaryMesh()[patchi];

        vectorField& ssp = shearStress.boundaryFieldRef()[patchi];
        const vectorField& Sfp = mesh.Sf().boundaryField()[patchi];
        const scalarField& magSfp = mesh.magSf().boundaryField()[patchi];
        const symmTensorField& Reffp = Reff.boundaryField()[patchi];

        ssp = (-Sfp/magSfp) & Reffp;

        vector minSsp = gMin(ssp);
        vector maxSsp = gMax(ssp);

        if (Pstream::master())
        {
            file() << mesh.time().value()
                << token::TAB << pp.name()
                << token::TAB << minSsp
                << token::TAB << maxSsp
                << endl;
        }

        if (log_) Info<< "    min/max(" << pp.name() << ") = "
            << minSsp << ", " << maxSsp << endl;
    }
void Foam::boundMinMax
(
    volScalarField& vsf,
    const dimensionedScalar& vsf0,
    const dimensionedScalar& vsf1
)
{
    scalar minVsf = min(vsf).value();
    scalar maxVsf = max(vsf).value();

    if (minVsf < vsf0.value() || maxVsf > vsf1.value())
    {
        Info<< "bounding " << vsf.name()
            << ", min: " << gMin(vsf.internalField())
            << " max: " << gMax(vsf.internalField())
            << " average: " << gAverage(vsf.internalField())
            << endl;
    }

    if (minVsf < vsf0.value())
    {
        vsf.internalField() = max
        (
            max
            (
                vsf.internalField(),
                fvc::average(max(vsf, vsf0))().internalField()
                *pos(vsf0.value() - vsf.internalField())
            ),
            vsf0.value()
        );

        vsf.correctBoundaryConditions();
        vsf.boundaryField() = max(vsf.boundaryField(), vsf0.value());
    }

    if (maxVsf > vsf1.value())
    {
        vsf.internalField() = min
        (
            min
            (
                vsf.internalField(),
                fvc::average(min(vsf, vsf1))().internalField()
                *neg(vsf1.value() - vsf.internalField())
                // This is needed when all values are above max
                // HJ, 18/Apr/2009
              + pos(vsf1.value() - vsf.internalField())*vsf1.value()
            ),
            vsf1.value()
        );

        vsf.correctBoundaryConditions();
        vsf.boundaryField() = min(vsf.boundaryField(), vsf1.value());
    }
}
Ejemplo n.º 8
0
void Foam::yPlusRAS::calcIncompressibleYPlus
(
    const fvMesh& mesh,
    volScalarField& yPlus
)
{
    typedef incompressible::nutWallFunctionFvPatchScalarField
        wallFunctionPatchField;

    const incompressible::RASModel& model =
        mesh.lookupObject<incompressible::RASModel>("RASProperties");

    const volScalarField nut(model.nut());
    const volScalarField::GeometricBoundaryField& nutPatches =
        nut.boundaryField();

    bool foundPatch = false;
    forAll(nutPatches, patchI)
    {
        if (isA<wallFunctionPatchField>(nutPatches[patchI]))
        {
            foundPatch = true;

            const wallFunctionPatchField& nutPw =
                dynamic_cast<const wallFunctionPatchField&>(nutPatches[patchI]);

            yPlus.boundaryField()[patchI] = nutPw.yPlus();
            const scalarField& Yp = yPlus.boundaryField()[patchI];

            scalar minYp = gMin(Yp);
            scalar maxYp = gMax(Yp);
            scalar avgYp = gAverage(Yp);

            if (log_)
            {
                Info<< "    patch " << nutPw.patch().name()
                    << " y+ : min = " << minYp << ", max = " << maxYp
                    << ", average = " << avgYp << nl;
            }

            if (Pstream::master())
            {
                file() << obr_.time().value() << token::TAB
                    << nutPw.patch().name() << token::TAB
                    << minYp << token::TAB << maxYp << token::TAB
                    << avgYp << endl;
            }
        }
    }

    if (log_ && !foundPatch)
    {
        Info<< "    no " << wallFunctionPatchField::typeName << " patches"
            << endl;
    }
}
Ejemplo n.º 9
0
void calcIncompressibleYPlus
(
    const fvMesh& mesh,
    const Time& runTime,
    const volVectorField& U,
    volScalarField& yPlus
)
{
    typedef incompressible::RASModels::nutWallFunctionFvPatchScalarField
        wallFunctionPatchField;

    #include "createPhi.H"

    singlePhaseTransportModel laminarTransport(U, phi);

    autoPtr<incompressible::RASModel> RASModel
    (
        incompressible::RASModel::New(U, phi, laminarTransport)
    );

    const volScalarField::GeometricBoundaryField nutPatches =
        RASModel->nut()().boundaryField();

    bool foundNutPatch = false;
    forAll(nutPatches, patchi)
    {
        if (isA<wallFunctionPatchField>(nutPatches[patchi]))
        {
            foundNutPatch = true;

            const wallFunctionPatchField& nutPw =
                dynamic_cast<const wallFunctionPatchField&>
                    (nutPatches[patchi]);

            yPlus.boundaryField()[patchi] = nutPw.yPlus();
            const scalarField& Yp = yPlus.boundaryField()[patchi];

            Info<< "Patch " << patchi
                << " named " << nutPw.patch().name()
                << " y+ : min: " << gMin(Yp) << " max: " << gMax(Yp)
                << " average: " << gAverage(Yp) << nl << endl;
        }
    }

    if (!foundNutPatch)
    {
        Info<< "    no " << wallFunctionPatchField::typeName << " patches"
            << endl;
    }
}
Ejemplo n.º 10
0
void kinematicSingleLayer::info()
{
    Info<< "\nSurface film: " << type() << endl;

    const scalarField& deltaInternal = delta_;
    const vectorField& Uinternal = U_;
    scalar addedMassTotal = 0.0;
    outputProperties().readIfPresent("addedMassTotal", addedMassTotal);
    addedMassTotal += returnReduce(addedMassTotal_, sumOp<scalar>());

    Info<< indent << "added mass         = " << addedMassTotal << nl
        << indent << "current mass       = "
        << gSum((deltaRho_*magSf())()) << nl
        << indent << "min/max(mag(U))    = " << gMin(mag(Uinternal)) << ", "
        << gMax(mag(Uinternal)) << nl
        << indent << "min/max(delta)     = " << gMin(deltaInternal) << ", "
        << gMax(deltaInternal) << nl
        << indent << "coverage           = "
        << gSum(alpha_.primitiveField()*magSf())/gSum(magSf()) <<  nl;

    injection_.info(Info);
    transfer_.info(Info);
}
Ejemplo n.º 11
0
Archivo: CFMO.cpp Proyecto: hwyhit/JSVM
/*!
 ************************************************************************
 * \brief
 *    Generate raster scan slice group map type MapUnit map (type 4)
 *
 ************************************************************************
 */
Void FMO::GenerateType4MapUnitMap()
{

  unsigned mapUnitsInSliceGroup0 = gMin((pps_.slice_group_change_rate_minus1 + 1) * img_.slice_group_change_cycle, PicSizeInMapUnits_);
  unsigned sizeOfUpperLeftGroup = pps_.slice_group_change_direction_flag ? ( PicSizeInMapUnits_ - mapUnitsInSliceGroup0 ) : mapUnitsInSliceGroup0;

  unsigned i;

  for( i = 0; i < PicSizeInMapUnits_; i++ )
    if( i < sizeOfUpperLeftGroup )
        MapUnitToSliceGroupMap_[ i ] = pps_.slice_group_change_direction_flag;
    else
        MapUnitToSliceGroupMap_[ i ] = 1 - pps_.slice_group_change_direction_flag;

}
Ejemplo n.º 12
0
bool Foam::functionObjects::yPlus::write(const bool postProcess)
{
    const volScalarField& yPlus =
        obr_.lookupObject<volScalarField>(type());

    Log << type() << " " << name() << " write:" << nl
        << "    writing field " << yPlus.name() << endl;

    yPlus.write();

    writeFiles::write();

    const volScalarField::Boundary& yPlusBf = yPlus.boundaryField();

    const fvMesh& mesh = refCast<const fvMesh>(obr_);
    const fvPatchList& patches = mesh.boundary();

    forAll(patches, patchi)
    {
        const fvPatch& patch = patches[patchi];

        if (isA<wallFvPatch>(patch))
        {
            const scalarField& yPlusp = yPlusBf[patchi];

            const scalar minYplus = gMin(yPlusp);
            const scalar maxYplus = gMax(yPlusp);
            const scalar avgYplus = gAverage(yPlusp);

            if (Pstream::master())
            {
                Log << "    patch " << patch.name()
                    << " y+ : min = " << minYplus << ", max = " << maxYplus
                    << ", average = " << avgYplus << nl;

                writeTime(file());
                file()
                << token::TAB << patch.name()
                    << token::TAB << minYplus
                    << token::TAB << maxYplus
                    << token::TAB << avgYplus
                    << endl;
            }
        }
    }

    return true;
}
Ejemplo n.º 13
0
Archivo: CFMO.cpp Proyecto: hwyhit/JSVM
/*!
 ************************************************************************
 * \brief
 *    Generate wipe slice group map type MapUnit map (type 5)
 *
 ************************************************************************
 */
Void FMO::GenerateType5MapUnitMap ()
{

  unsigned mapUnitsInSliceGroup0 = gMin((pps_.slice_group_change_rate_minus1 + 1) * img_.slice_group_change_cycle, PicSizeInMapUnits_);
  unsigned sizeOfUpperLeftGroup = pps_.slice_group_change_direction_flag ? ( PicSizeInMapUnits_ - mapUnitsInSliceGroup0 ) : mapUnitsInSliceGroup0;

  unsigned i,j, k = 0;

  for( j = 0; j < img_.PicWidthInMbs; j++ )
    for( i = 0; i < img_.PicHeightInMapUnits; i++ )
        if( k++ < sizeOfUpperLeftGroup )
            MapUnitToSliceGroupMap_[ i * img_.PicWidthInMbs + j ] = 1 - pps_.slice_group_change_direction_flag;
        else
            MapUnitToSliceGroupMap_[ i * img_.PicWidthInMbs + j ] = pps_.slice_group_change_direction_flag;

}
Ejemplo n.º 14
0
bool Foam::functionObjects::yPlus::write()
{
    Log << type() << " " << name() << " write:" << nl;

    writeLocalObjects::write();

    logFiles::write();

    const volScalarField& yPlus =
        mesh_.lookupObject<volScalarField>(type());

    const volScalarField::Boundary& yPlusBf = yPlus.boundaryField();
    const fvPatchList& patches = mesh_.boundary();

    forAll(patches, patchi)
    {
        const fvPatch& patch = patches[patchi];

        if (isA<wallFvPatch>(patch))
        {
            const scalarField& yPlusp = yPlusBf[patchi];

            const scalar minYplus = gMin(yPlusp);
            const scalar maxYplus = gMax(yPlusp);
            const scalar avgYplus = gAverage(yPlusp);

            if (Pstream::master())
            {
                Log << "    patch " << patch.name()
                    << " y+ : min = " << minYplus << ", max = " << maxYplus
                    << ", average = " << avgYplus << nl;

                writeTime(file());
                file()
                    << token::TAB << patch.name()
                    << token::TAB << minYplus
                    << token::TAB << maxYplus
                    << token::TAB << avgYplus
                    << endl;
            }
        }
    }

    Log << endl;

    return true;
}
Ejemplo n.º 15
0
void writeData(
    CommonValueExpressionDriver &driver,
    const wordList &accumulations
)
{
    bool isPoint=driver.result().isPoint();

    Field<T> result(driver.getResult<T>(isPoint));

    forAll(accumulations,i) {
        const word &aName=accumulations[i];
        const NumericAccumulationNamedEnum::value accu=
            NumericAccumulationNamedEnum::names[aName];

        T val=pTraits<T>::zero;

        switch(accu) {
            case NumericAccumulationNamedEnum::numMin:
                val=gMin(result);
                break;
            case NumericAccumulationNamedEnum::numMax:
                val=gMax(result);
                break;
            case NumericAccumulationNamedEnum::numSum:
                val=gSum(result);
                break;
            case NumericAccumulationNamedEnum::numAverage:
                val=gAverage(result);
                break;
            // case NumericAccumulationNamedEnum::numSumMag:
            //     val=gSumMag(result);
            //     break;
            case NumericAccumulationNamedEnum::numWeightedAverage:
                val=driver.calcWeightedAverage(result);
                break;
            default:
                WarningIn("funkyDoCalc")
                    << "Unimplemented accumultation type "
                        << NumericAccumulationNamedEnum::names[accu]
                        << ". Currently only 'min', 'max', 'sum', 'weightedAverage' and 'average' are supported"
                        << endl;
        }

        Info << " " << aName << "=" << val;
    }
}
void swakExpressionFunctionObject::writeData(CommonValueExpressionDriver &driver)
{
    Field<T> result=driver.getResult<T>();

    Field<T> results(accumulations_.size());

    forAll(accumulations_,i) {
        const word &aName=accumulations_[i];
        T val=pTraits<T>::zero;

        if(aName=="min") {
            val=gMin(result);
        } else if(aName=="max") {
            val=gMax(result);
        } else if(aName=="sum") {
            val=gSum(result);
        } else if(aName=="average") {
            val=gAverage(result);
        } else {
            WarningIn("swakExpressionFunctionObject::writeData")
                << "Unknown accumultation type " << aName
                    << ". Currently only 'min', 'max', 'sum' and 'average' are supported"
                    << endl;
        }
        results[i]=val;
        if(verbose()) {
            Info << " " << aName << "=" << val;
        }
    }

    if (Pstream::master()) {
        unsigned int w = IOstream::defaultPrecision() + 7;
        
        OFstream& o=*filePtrs_[name()];
        
        o << setw(w) << time().value();
        forAll(results,i) {
            o << setw(w) << results[i];
        }
        o << nl;
    }
void Foam::mappedFieldFvPatchField<Type>::updateCoeffs()
{
    if (this->updated())
    {
        return;
    }

    this->operator==(this->mappedField());

    if (debug)
    {
        Info<< "operating on field:" << this->dimensionedInternalField().name()
            << " patch:" << this->patch().name()
            << "  avg:" << gAverage(*this)
            << "  min:" << gMin(*this)
            << "  max:" << gMax(*this)
            << endl;
    }

    fixedValueFvPatchField<Type>::updateCoeffs();
}
void Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::
updateCoeffs()
{
    //Do nothing

    if (debug)
    {
        scalar Q = gSum((*this)*patch().magSf());

        Info<< patch().boundaryMesh().mesh().name() << ':'
            << patch().name() << ':'
            << this->dimensionedInternalField().name() << " <- "
            << " heat[W]:" << Q
            << " wall radiative heat flux "
            << " min:" << gMin(*this)
            << " max:" << gMax(*this)
            << " avg:" << gAverage(*this)
            << endl;
    }

}
Ejemplo n.º 19
0
void printIntegrate
(
    const fvMesh& mesh,
    const IOobject& fieldHeader,
    bool& done
)
{
    if (!done && fieldHeader.headerClassName() == FieldType::typeName)
    {
        Info<< "    Reading " << fieldHeader.headerClassName() << " "
            << fieldHeader.name() << " ";

        FieldType field(fieldHeader, mesh);

        Info<< field.dimensions() <<  endl;


        Info<< "        min : " << gMin(field) << nl
            << "        max : " << gMax(field) << nl;

        done = true;
    }
}
Ejemplo n.º 20
0
void Foam::calcTypes::mag::writeMagField
(
    const IOobject& header,
    const fvMesh& mesh,
    bool& processed
)
{
    typedef GeometricField<Type, fvPatchField, volMesh> fieldType;

    if (header.headerClassName() == fieldType::typeName)
    {
        Info<< "    Reading " << header.name() << endl;
        fieldType field(header, mesh);

        Info<< "    Calculating mag" << header.name() << endl;
        volScalarField magField
        (
            IOobject
            (
                "mag" + header.name(),
                mesh.time().timeName(),
                mesh,
                IOobject::NO_READ
            ),
            Foam::mag(field)
        );

        Info << "mag(" << header.name() << "): max: "
            << gMax(magField.internalField())
            << " min: " << gMin(magField.internalField()) << endl;

        magField.write();

        processed = true;
    }
}
void turbulentTemperatureCoupledBaffleMixedFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }

    // Since we're inside initEvaluate/evaluate there might be processor
    // comms underway. Change the tag we use.
    int oldTag = UPstream::msgType();
    UPstream::msgType() = oldTag+1;

    // Get the coupling information from the mappedPatchBase
    const mappedPatchBase& mpp =
        refCast<const mappedPatchBase>(patch().patch());
    const polyMesh& nbrMesh = mpp.sampleMesh();
    const label samplePatchi = mpp.samplePolyPatch().index();
    const fvPatch& nbrPatch =
        refCast<const fvMesh>(nbrMesh).boundary()[samplePatchi];

    // Calculate the temperature by harmonic averaging
    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    const turbulentTemperatureCoupledBaffleMixedFvPatchScalarField& nbrField =
    refCast
    <
        const turbulentTemperatureCoupledBaffleMixedFvPatchScalarField
    >
    (
        nbrPatch.lookupPatchField<volScalarField, scalar>
        (
            TnbrName_
        )
    );

    // Swap to obtain full local values of neighbour internal field
    tmp<scalarField> nbrIntFld(new scalarField(nbrField.size(), 0.0));
    tmp<scalarField> nbrKDelta(new scalarField(nbrField.size(), 0.0));

    if (contactRes_ == 0.0)
    {
        nbrIntFld.ref() = nbrField.patchInternalField();
        nbrKDelta.ref() = nbrField.kappa(nbrField)*nbrPatch.deltaCoeffs();
    }
    else
    {
        nbrIntFld.ref() = nbrField;
        nbrKDelta.ref() = contactRes_;
    }

    mpp.distribute(nbrIntFld.ref());
    mpp.distribute(nbrKDelta.ref());

    tmp<scalarField> myKDelta = kappa(*this)*patch().deltaCoeffs();


    // Both sides agree on
    // - temperature : (myKDelta*fld + nbrKDelta*nbrFld)/(myKDelta+nbrKDelta)
    // - gradient    : (temperature-fld)*delta
    // We've got a degree of freedom in how to implement this in a mixed bc.
    // (what gradient, what fixedValue and mixing coefficient)
    // Two reasonable choices:
    // 1. specify above temperature on one side (preferentially the high side)
    //    and above gradient on the other. So this will switch between pure
    //    fixedvalue and pure fixedgradient
    // 2. specify gradient and temperature such that the equations are the
    //    same on both sides. This leads to the choice of
    //    - refGradient = zero gradient
    //    - refValue = neighbour value
    //    - mixFraction = nbrKDelta / (nbrKDelta + myKDelta())

    this->refValue() = nbrIntFld();
    this->refGrad() = 0.0;
    this->valueFraction() = nbrKDelta()/(nbrKDelta() + myKDelta());

    mixedFvPatchScalarField::updateCoeffs();

    if (debug)
    {
        scalar Q = gSum(kappa(*this)*patch().magSf()*snGrad());

        Info<< patch().boundaryMesh().mesh().name() << ':'
            << patch().name() << ':'
            << this->internalField().name() << " <- "
            << nbrMesh.name() << ':'
            << nbrPatch.name() << ':'
            << this->internalField().name() << " :"
            << " heat transfer rate:" << Q
            << " walltemperature "
            << " min:" << gMin(*this)
            << " max:" << gMax(*this)
            << " avg:" << gAverage(*this)
            << endl;
    }

    // Restore tag
    UPstream::msgType() = oldTag;
}
Ejemplo n.º 22
0
// Call scotch with options from dictionary.
Foam::label Foam::scotchDecomp::decompose
(
    const List<int>& adjncy,
    const List<int>& xadj,
    const scalarField& cWeights,

    List<int>& finalDecomp
)
{
    // Dump graph
    if (decompositionDict_.found("scotchCoeffs"))
    {
        const dictionary& scotchCoeffs =
            decompositionDict_.subDict("scotchCoeffs");

        if (scotchCoeffs.found("writeGraph"))
        {
            Switch writeGraph(scotchCoeffs.lookup("writeGraph"));

            if (writeGraph)
            {
                OFstream str(mesh_.time().path() / mesh_.name() + ".grf");

                Info<< "Dumping Scotch graph file to " << str.name() << endl
                    << "Use this in combination with gpart." << endl;

                label version = 0;
                str << version << nl;
                // Numer of vertices
                str << xadj.size()-1 << ' ' << adjncy.size() << nl;
                // Numbering starts from 0
                label baseval = 0;
                // Has weights?
                label hasEdgeWeights = 0;
                label hasVertexWeights = 0;
                label numericflag = 10*hasEdgeWeights+hasVertexWeights;
                str << baseval << ' ' << numericflag << nl;
                for (label cellI = 0; cellI < xadj.size()-1; cellI++)
                {
                    label start = xadj[cellI];
                    label end = xadj[cellI+1];
                    str << end-start;

                    for (label i = start; i < end; i++)
                    {
                        str << ' ' << adjncy[i];
                    }
                    str << nl;
                }
            }
        }
    }


    // Strategy
    // ~~~~~~~~

    // Default.
    SCOTCH_Strat stradat;
    check(SCOTCH_stratInit(&stradat), "SCOTCH_stratInit");

    if (decompositionDict_.found("scotchCoeffs"))
    {
        const dictionary& scotchCoeffs =
            decompositionDict_.subDict("scotchCoeffs");


        string strategy;
        if (scotchCoeffs.readIfPresent("strategy", strategy))
        {
            if (debug)
            {
                Info<< "scotchDecomp : Using strategy " << strategy << endl;
            }
            SCOTCH_stratGraphMap(&stradat, strategy.c_str());
            //fprintf(stdout, "S\tStrat=");
            //SCOTCH_stratSave(&stradat, stdout);
            //fprintf(stdout, "\n");
        }
    }


    // Graph
    // ~~~~~

    List<int> velotab;


    // Check for externally provided cellweights and if so initialise weights
    scalar minWeights = gMin(cWeights);
    if (cWeights.size() > 0)
    {
        if (minWeights <= 0)
        {
            WarningIn
            (
                "scotchDecomp::decompose"
                "(const pointField&, const scalarField&)"
            )   << "Illegal minimum weight " << minWeights
                << endl;
        }

        if (cWeights.size() != xadj.size()-1)
        {
            FatalErrorIn
            (
                "scotchDecomp::decompose"
                "(const pointField&, const scalarField&)"
            )   << "Number of cell weights " << cWeights.size()
                << " does not equal number of cells " << xadj.size()-1
                << exit(FatalError);
        }

        // Convert to integers.
        velotab.setSize(cWeights.size());
        forAll(velotab, i)
        {
            velotab[i] = int(cWeights[i]/minWeights);
        }
    }



    SCOTCH_Graph grafdat;
    check(SCOTCH_graphInit(&grafdat), "SCOTCH_graphInit");
    check
    (
        SCOTCH_graphBuild
        (
            &grafdat,
            0,                      // baseval, c-style numbering
            xadj.size()-1,          // vertnbr, nCells
            xadj.begin(),           // verttab, start index per cell into adjncy
            &xadj[1],               // vendtab, end index  ,,
            velotab.begin(),        // velotab, vertex weights
            NULL,                   // vlbltab
            adjncy.size(),          // edgenbr, number of arcs
            adjncy.begin(),         // edgetab
            NULL                    // edlotab, edge weights
        ),
        "SCOTCH_graphBuild"
    );
    check(SCOTCH_graphCheck(&grafdat), "SCOTCH_graphCheck");


    // Architecture
    // ~~~~~~~~~~~~
    // (fully connected network topology since using switch)

    SCOTCH_Arch archdat;
    check(SCOTCH_archInit(&archdat), "SCOTCH_archInit");

    List<label> processorWeights;
    if (decompositionDict_.found("scotchCoeffs"))
    {
        const dictionary& scotchCoeffs =
            decompositionDict_.subDict("scotchCoeffs");

        scotchCoeffs.readIfPresent("processorWeights", processorWeights);
    }
    if (processorWeights.size())
    {
        if (debug)
        {
            Info<< "scotchDecomp : Using procesor weights " << processorWeights
                << endl;
        }
        check
        (
            SCOTCH_archCmpltw(&archdat, nProcessors_, processorWeights.begin()),
            "SCOTCH_archCmpltw"
        );
    }
    else
    {
        check
        (
            SCOTCH_archCmplt(&archdat, nProcessors_),
            "SCOTCH_archCmplt"
        );
    }


    //SCOTCH_Mapping mapdat;
    //SCOTCH_graphMapInit(&grafdat, &mapdat, &archdat, NULL);
    //SCOTCH_graphMapCompute(&grafdat, &mapdat, &stradat); /* Perform mapping */
    //SCOTCH_graphMapExit(&grafdat, &mapdat);


    // Hack:switch off fpu error trapping
#   ifdef LINUX_GNUC
    int oldExcepts = fedisableexcept
    (
        FE_DIVBYZERO
      | FE_INVALID
      | FE_OVERFLOW
    );
#   endif

    finalDecomp.setSize(xadj.size()-1);
    finalDecomp = 0;
    check
    (
        SCOTCH_graphMap
        (
            &grafdat,
            &archdat,
            &stradat,           // const SCOTCH_Strat *
            finalDecomp.begin() // parttab
        ),
        "SCOTCH_graphMap"
    );

#   ifdef LINUX_GNUC
    feenableexcept(oldExcepts);
#   endif



    //finalDecomp.setSize(xadj.size()-1);
    //check
    //(
    //    SCOTCH_graphPart
    //    (
    //        &grafdat,
    //        nProcessors_,       // partnbr
    //        &stradat,           // const SCOTCH_Strat *
    //        finalDecomp.begin() // parttab
    //    ),
    //    "SCOTCH_graphPart"
    //);

    // Release storage for graph
    SCOTCH_graphExit(&grafdat);
    // Release storage for strategy
    SCOTCH_stratExit(&stradat);
    // Release storage for network topology
    SCOTCH_archExit(&archdat);

    return 0;
}
Ejemplo n.º 23
0
// Call scotch with options from dictionary.
Foam::label Foam::ptscotchDecomp::decompose
(
    const fileName& meshPath,
    const label adjncySize,
    const label adjncy[],
    const label xadjSize,
    const label xadj[],
    const scalarField& cWeights,

    List<label>& finalDecomp
) const
{
    if (debug)
    {
        Pout<< "ptscotchDecomp : entering with xadj:" << xadjSize << endl;
    }

    // Dump graph
    if (decompositionDict_.found("scotchCoeffs"))
    {
        const dictionary& scotchCoeffs =
            decompositionDict_.subDict("scotchCoeffs");

        if (scotchCoeffs.lookupOrDefault("writeGraph", false))
        {
            OFstream str
            (
               meshPath + "_" + Foam::name(Pstream::myProcNo()) + ".dgr"
            );

            Pout<< "Dumping Scotch graph file to " << str.name() << endl
                << "Use this in combination with dgpart." << endl;

            globalIndex globalCells(xadjSize-1);

            // Distributed graph file (.grf)
            label version = 2;
            str << version << nl;
            // Number of files (procglbnbr)
            str << Pstream::nProcs();
            // My file number (procloc)
            str << ' ' << Pstream::myProcNo() << nl;

            // Total number of vertices (vertglbnbr)
            str << globalCells.size();
            // Total number of connections (edgeglbnbr)
            str << ' ' << returnReduce(xadj[xadjSize-1], sumOp<label>())
                << nl;
            // Local number of vertices (vertlocnbr)
            str << xadjSize-1;
            // Local number of connections (edgelocnbr)
            str << ' ' << xadj[xadjSize-1] << nl;
            // Numbering starts from 0
            label baseval = 0;
            // 100*hasVertlabels+10*hasEdgeWeights+1*hasVertWeighs
            str << baseval << ' ' << "000" << nl;
            for (label celli = 0; celli < xadjSize-1; celli++)
            {
                label start = xadj[celli];
                label end = xadj[celli+1];
                str << end-start;

                for (label i = start; i < end; i++)
                {
                    str << ' ' << adjncy[i];
                }
                str << nl;
            }
        }
    }

    // Strategy
    // ~~~~~~~~

    // Default.
    SCOTCH_Strat stradat;
    check(SCOTCH_stratInit(&stradat), "SCOTCH_stratInit");

    if (decompositionDict_.found("scotchCoeffs"))
    {
        const dictionary& scotchCoeffs =
            decompositionDict_.subDict("scotchCoeffs");


        string strategy;
        if (scotchCoeffs.readIfPresent("strategy", strategy))
        {
            if (debug)
            {
                Info<< "ptscotchDecomp : Using strategy " << strategy << endl;
            }
            SCOTCH_stratDgraphMap(&stradat, strategy.c_str());
            //fprintf(stdout, "S\tStrat=");
            //SCOTCH_stratSave(&stradat, stdout);
            //fprintf(stdout, "\n");
        }
    }


    // Graph
    // ~~~~~

    List<label> velotab;


    // Check for externally provided cellweights and if so initialise weights

    scalar minWeights = gMin(cWeights);
    scalar maxWeights = gMax(cWeights);

    if (maxWeights > minWeights)
    {
        if (minWeights <= 0)
        {
            WarningInFunction
                << "Illegal minimum weight " << minWeights
                << endl;
        }

        if (cWeights.size() != xadjSize-1)
        {
            FatalErrorInFunction
                << "Number of cell weights " << cWeights.size()
                << " does not equal number of cells " << xadjSize-1
                << exit(FatalError);
        }
    }

    scalar velotabSum = gSum(cWeights)/minWeights;

    scalar rangeScale(1.0);

    if (Pstream::master())
    {
        if (velotabSum > scalar(labelMax - 1))
        {
            // 0.9 factor of safety to avoid floating point round-off in
            // rangeScale tipping the subsequent sum over the integer limit.
            rangeScale = 0.9*scalar(labelMax - 1)/velotabSum;

            WarningInFunction
                << "Sum of weights has overflowed integer: " << velotabSum
                << ", compressing weight scale by a factor of " << rangeScale
                << endl;
        }
    }

    Pstream::scatter(rangeScale);

    if (maxWeights > minWeights)
    {
        if (cWeights.size())
        {
            // Convert to integers.
            velotab.setSize(cWeights.size());

            forAll(velotab, i)
            {
                velotab[i] = int((cWeights[i]/minWeights - 1)*rangeScale) + 1;
            }
        }
Ejemplo n.º 24
0
Foam::capillarityModels::pcVanGenuchten::pcVanGenuchten
(
    const word& name,
    const dictionary& transportProperties,
    const volScalarField& Sb
)
    :
    capillarityModel(name, transportProperties,Sb),
    pcVanGenuchtenCoeffs_(transportProperties.subDict(typeName + "Coeffs")),
    Smin_
    (
        IOobject
        (
            Sb_.name()+"min",
            Sb_.time().timeName(),
            Sb_.db(),
            IOobject::READ_IF_PRESENT,
            IOobject::NO_WRITE
        ),
        Sb.mesh(),
        transportProperties.lookupOrDefault(Sb_.name()+"min",dimensionedScalar(Sb_.name()+"min",dimless,0))
    ),
    Smax_
    (
        IOobject
        (
            Sb_.name()+"max",
            Sb_.time().timeName(),
            Sb_.db(),
            IOobject::READ_IF_PRESENT,
            IOobject::NO_WRITE
        ),
        Sb.mesh(),
        transportProperties.lookupOrDefault(Sb_.name()+"max",dimensionedScalar(Sb_.name()+"max",dimless,0))
    ),
    m_
    (
        IOobject
        (
            "m",
            Sb_.time().timeName(),
            Sb_.db(),
            IOobject::READ_IF_PRESENT,
            IOobject::NO_WRITE
        ),
        Sb.mesh(),
        dimensionedScalar("m",dimless,pcVanGenuchtenCoeffs_.lookupOrDefault<scalar>("m",0))
    ),
    n_(1/(1-m_)),
    alpha_ // necessary for Richards solver
    (
        IOobject
        (
            "alpha",
            Sb_.time().timeName(),
            Sb_.db(),
            IOobject::READ_IF_PRESENT,
            IOobject::NO_WRITE
        ),
        Sb.mesh(),
        dimensionedScalar("alpha",dimless,pcVanGenuchtenCoeffs_.lookupOrDefault<scalar>("alpha",0))
    ),
    pc0_
    (
        IOobject
        (
            "pc0",
            Sb_.time().timeName(),
            Sb_.db(),
            IOobject::READ_IF_PRESENT,
            IOobject::NO_WRITE
        ),
        Sb.mesh(),
        pcVanGenuchtenCoeffs_.lookupOrDefault("pc0",dimensionedScalar("pc0",dimensionSet(1,-1,-2,0,0),0.))
    ),
    Se_((Sb_- Smin_)/(Smax_-Smin_))
{
    if (gMin(m_) == 0) FatalErrorIn("Foam::capillarityModels::pcVanGenuchten::pcVanGenuchten") << "m = 0 in pcVanGenuchten" << abort(FatalError);
    Info << "Van Genuchten parameters for capillary pressure model" << nl << "{" << endl;
    Info << "    m ";
    if (m_.headerOk()) { Info << "read file" << endl;}
    else {Info << average(m_).value() << endl;}
    Info << "    pc0 ";
    if (pc0_.headerOk()) { Info << "read file" << endl;}
    else {Info << average(pc0_).value() << endl;}
    Info << "    alpha ";
    if (alpha_.headerOk()) { Info << "read file" << endl;}
    else {Info << average(alpha_).value() << endl;}
    Info <<  "    Smin ";
    if (Smin_.headerOk()) { Info << "read file" << endl;}
    else {Info << average(Smin_).value() << endl;}
    Info << "    Smax ";
    if (Smax_.headerOk()) { Info << "read file" << endl;}
    else {Info << average(Smax_).value() << endl;}
    Info << "} \n" << endl;
    
}
void Foam::sampledIsoSurface::getIsoFields() const
{
    const fvMesh& fvm = static_cast<const fvMesh&>(mesh());

    // Get volField
    // ~~~~~~~~~~~~

    if (fvm.foundObject<volScalarField>(isoField_))
    {
        if (debug)
        {
            Info<< "sampledIsoSurface::getIsoField() : lookup volField "
                << isoField_ << endl;
        }
        storedVolFieldPtr_.clear();
        volFieldPtr_ = &fvm.lookupObject<volScalarField>(isoField_);
    }
    else
    {
        // Bit of a hack. Read field and store.

        if (debug)
        {
            Info<< "sampledIsoSurface::getIsoField() : checking "
                << isoField_ << " for same time " << fvm.time().timeName()
                << endl;
        }

        if
        (
            storedVolFieldPtr_.empty()
         || (fvm.time().timeName() != storedVolFieldPtr_().instance())
        )
        {
            if (debug)
            {
                Info<< "sampledIsoSurface::getIsoField() : reading volField "
                    << isoField_ << " from time " << fvm.time().timeName()
                    << endl;
            }

            storedVolFieldPtr_.reset
            (
                new volScalarField
                (
                    IOobject
                    (
                        isoField_,
                        fvm.time().timeName(),
                        fvm,
                        IOobject::MUST_READ,
                        IOobject::NO_WRITE,
                        false
                    ),
                    fvm
                )
            );
            volFieldPtr_ = storedVolFieldPtr_.operator->();
        }
    }



    // Get pointField
    // ~~~~~~~~~~~~~~

    if (!subMeshPtr_.valid())
    {
        word pointFldName = "volPointInterpolate(" + isoField_ + ')';

        if (fvm.foundObject<pointScalarField>(pointFldName))
        {
            if (debug)
            {
                Info<< "sampledIsoSurface::getIsoField() : lookup pointField "
                    << pointFldName << endl;
            }
            pointFieldPtr_ = &fvm.lookupObject<pointScalarField>(pointFldName);
        }
        else
        {
            // Not in registry. Interpolate.

            if (debug)
            {
                Info<< "sampledIsoSurface::getIsoField() : checking pointField "
                    << pointFldName << " for same time "
                    << fvm.time().timeName() << endl;
            }

            if
            (
                storedPointFieldPtr_.empty()
             || (fvm.time().timeName() != storedPointFieldPtr_().instance())
            )
            {
                if (debug)
                {
                    Info<< "sampledIsoSurface::getIsoField() :"
                        << " interpolating volField " << volFieldPtr_->name()
                        << " to get pointField " << pointFldName << endl;
                }

                storedPointFieldPtr_.reset
                (
                    volPointInterpolation::New(fvm)
                    .interpolate(*volFieldPtr_).ptr()
                );
                storedPointFieldPtr_->checkOut();
                pointFieldPtr_ = storedPointFieldPtr_.operator->();
            }
        }


        // If averaging redo the volField. Can only be done now since needs the
        // point field.
        if (average_)
        {
            storedVolFieldPtr_.reset(average(fvm, *pointFieldPtr_).ptr());
            volFieldPtr_ = storedVolFieldPtr_.operator->();
        }


        if (debug)
        {
            Info<< "sampledIsoSurface::getIsoField() : volField "
                << volFieldPtr_->name() << " min:" << min(*volFieldPtr_).value()
                << " max:" << max(*volFieldPtr_).value() << endl;
            Info<< "sampledIsoSurface::getIsoField() : pointField "
                << pointFieldPtr_->name()
                << " min:" << gMin(pointFieldPtr_->internalField())
                << " max:" << gMax(pointFieldPtr_->internalField()) << endl;
        }
    }
    else
    {
        // Get subMesh variants
        const fvMesh& subFvm = subMeshPtr_().subMesh();

        // Either lookup on the submesh or subset the whole-mesh volField

        if (subFvm.foundObject<volScalarField>(isoField_))
        {
            if (debug)
            {
                Info<< "sampledIsoSurface::getIsoField() :"
                    << " submesh lookup volField "
                    << isoField_ << endl;
            }
            storedVolSubFieldPtr_.clear();
            volSubFieldPtr_ = &subFvm.lookupObject<volScalarField>(isoField_);
        }
        else
        {
            if (debug)
            {
                Info<< "sampledIsoSurface::getIsoField() : subsetting volField "
                    << isoField_ << endl;
            }
            storedVolSubFieldPtr_.reset
            (
                subMeshPtr_().interpolate
                (
                    *volFieldPtr_
                ).ptr()
            );
            storedVolSubFieldPtr_->checkOut();
            volSubFieldPtr_ = storedVolSubFieldPtr_.operator->();
        }


        // Pointfield on submesh

        word pointFldName =
            "volPointInterpolate("
          + volSubFieldPtr_->name()
          + ')';

        if (subFvm.foundObject<pointScalarField>(pointFldName))
        {
            if (debug)
            {
                Info<< "sampledIsoSurface::getIsoField() :"
                    << " submesh lookup pointField " << pointFldName << endl;
            }
            storedPointSubFieldPtr_.clear();
            pointSubFieldPtr_ = &subFvm.lookupObject<pointScalarField>
            (
                pointFldName
            );
        }
        else
        {
            if (debug)
            {
                Info<< "sampledIsoSurface::getIsoField() :"
                    << " interpolating submesh volField "
                    << volSubFieldPtr_->name()
                    << " to get submesh pointField " << pointFldName << endl;
            }
            storedPointSubFieldPtr_.reset
            (
                volPointInterpolation::New
                (
                    subFvm
                ).interpolate(*volSubFieldPtr_).ptr()
            );
            storedPointSubFieldPtr_->checkOut();
            pointSubFieldPtr_ = storedPointSubFieldPtr_.operator->();
        }



        // If averaging redo the volField. Can only be done now since needs the
        // point field.
        if (average_)
        {
            storedVolSubFieldPtr_.reset
            (
                average(subFvm, *pointSubFieldPtr_).ptr()
            );
            volSubFieldPtr_ = storedVolSubFieldPtr_.operator->();
        }


        if (debug)
        {
            Info<< "sampledIsoSurface::getIsoField() : volSubField "
                << volSubFieldPtr_->name()
                << " min:" << min(*volSubFieldPtr_).value()
                << " max:" << max(*volSubFieldPtr_).value() << endl;
            Info<< "sampledIsoSurface::getIsoField() : pointSubField "
                << pointSubFieldPtr_->name()
                << " min:" << gMin(pointSubFieldPtr_->internalField())
                << " max:" << gMax(pointSubFieldPtr_->internalField()) << endl;
        }
    }
}
Ejemplo n.º 26
0
void Foam::MULES::implicitSolve
(
    const RhoType& rho,
    volScalarField& psi,
    const surfaceScalarField& phi,
    surfaceScalarField& phiPsi,
    const SpType& Sp,
    const SuType& Su,
    const scalar psiMax,
    const scalar psiMin
)
{
    const fvMesh& mesh = psi.mesh();

    const dictionary& MULEScontrols = mesh.solverDict(psi.name());

    label maxIter
    (
        readLabel(MULEScontrols.lookup("maxIter"))
    );

    label nLimiterIter
    (
        readLabel(MULEScontrols.lookup("nLimiterIter"))
    );

    scalar maxUnboundedness
    (
        readScalar(MULEScontrols.lookup("maxUnboundedness"))
    );

    scalar CoCoeff
    (
        readScalar(MULEScontrols.lookup("CoCoeff"))
    );

    scalarField allCoLambda(mesh.nFaces());

    {
        tmp<surfaceScalarField> Cof =
            mesh.time().deltaT()*mesh.surfaceInterpolation::deltaCoeffs()
           *mag(phi)/mesh.magSf();

        slicedSurfaceScalarField CoLambda
        (
            IOobject
            (
                "CoLambda",
                mesh.time().timeName(),
                mesh,
                IOobject::NO_READ,
                IOobject::NO_WRITE,
                false
            ),
            mesh,
            dimless,
            allCoLambda,
            false   // Use slices for the couples
        );

        CoLambda == 1.0/max(CoCoeff*Cof, scalar(1));
    }

    scalarField allLambda(allCoLambda);
    //scalarField allLambda(mesh.nFaces(), 1.0);

    slicedSurfaceScalarField lambda
    (
        IOobject
        (
            "lambda",
            mesh.time().timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::NO_WRITE,
            false
        ),
        mesh,
        dimless,
        allLambda,
        false   // Use slices for the couples
    );

    linear<scalar> CDs(mesh);
    upwind<scalar> UDs(mesh, phi);
    //fv::uncorrectedSnGrad<scalar> snGrads(mesh);

    fvScalarMatrix psiConvectionDiffusion
    (
        fvm::ddt(rho, psi)
      + fv::gaussConvectionScheme<scalar>(mesh, phi, UDs).fvmDiv(phi, psi)
        //- fv::gaussLaplacianScheme<scalar, scalar>(mesh, CDs, snGrads)
        //.fvmLaplacian(Dpsif, psi)
      - fvm::Sp(Sp, psi)
      - Su
    );

    surfaceScalarField phiBD(psiConvectionDiffusion.flux());

    surfaceScalarField& phiCorr = phiPsi;
    phiCorr -= phiBD;

    for (label i=0; i<maxIter; i++)
    {
        if (i != 0 && i < 4)
        {
            allLambda = allCoLambda;
        }

        limiter
        (
            allLambda,
            rho,
            psi,
            phiBD,
            phiCorr,
            Sp,
            Su,
            psiMax,
            psiMin,
            nLimiterIter
        );

        solve
        (
            psiConvectionDiffusion + fvc::div(lambda*phiCorr),
            MULEScontrols
        );

        scalar maxPsiM1 = gMax(psi.internalField()) - 1.0;
        scalar minPsi = gMin(psi.internalField());

        scalar unboundedness = max(max(maxPsiM1, 0.0), -min(minPsi, 0.0));

        if (unboundedness < maxUnboundedness)
        {
            break;
        }
        else
        {
            Info<< "MULES: max(" << psi.name() << " - 1) = " << maxPsiM1
                << " min(" << psi.name() << ") = " << minPsi << endl;

            phiBD = psiConvectionDiffusion.flux();

            /*
            word gammaScheme("div(phi,gamma)");
            word gammarScheme("div(phirb,gamma)");

            const surfaceScalarField& phir =
                mesh.lookupObject<surfaceScalarField>("phir");

            phiCorr =
                fvc::flux
                (
                    phi,
                    psi,
                    gammaScheme
                )
              + fvc::flux
                (
                    -fvc::flux(-phir, scalar(1) - psi, gammarScheme),
                    psi,
                    gammarScheme
                )
                - phiBD;
            */
        }
    }

    phiPsi = psiConvectionDiffusion.flux() + lambda*phiCorr;
}
Ejemplo n.º 27
0
ErrVal ReadYuvFile::xReadPlane( UChar *pucDest, UInt uiBufHeight, UInt uiBufWidth, UInt uiBufStride, UInt uiPicHeight, UInt uiPicWidth, UInt uiStartLine, UInt uiEndLine )
{
  UInt uiClearSize = uiBufWidth - uiPicWidth;

  ROT( 0 > (Int)uiClearSize );
  ROT( uiBufHeight < uiPicHeight );

  // clear skiped buffer above reading section and skip in file
  if( 0 != uiStartLine )
  {
    UInt uiLines = uiStartLine;
    ::memset( pucDest, 0, uiBufWidth * uiLines );
    pucDest += uiBufStride * uiLines;
    RNOKRS(m_cFile.seek( uiPicWidth * uiLines, SEEK_CUR), Err::m_nEndOfFile);
  }


  UInt uiEnd = gMin (uiPicHeight, uiEndLine);

  for( UInt yR = uiStartLine; yR < uiEnd; yR++ )
  {
    UInt uiBytesRead;
    RNOKS( m_cFile.read( pucDest, uiPicWidth, uiBytesRead ) );
    ::memset( &pucDest[uiPicWidth], 0, uiClearSize );
    pucDest += uiBufStride;
  }

  // clear skiped buffer below reading section and skip in file
  if( uiEnd != uiPicHeight )
  {
    UInt uiLines = uiPicHeight - uiEnd;
    ::memset( pucDest, 0, uiBufWidth * uiLines );
    pucDest += uiBufStride * uiLines;
    RNOKRS(m_cFile.seek( uiPicWidth * uiLines, SEEK_CUR), Err::m_nEndOfFile);
  }

  // clear remaining buffer
  if( uiPicHeight != uiBufHeight )
  {
    if( uiEnd != uiPicHeight )
    {
      UInt uiLines = uiBufHeight - uiPicHeight;
      ::memset( pucDest, 0, uiBufWidth * uiLines);
    }
    else
    {
      switch( m_eFillMode )
      {
        case FILL_CLEAR:
        {
          UInt uiLines = uiBufHeight - uiPicHeight;
          ::memset( pucDest, 0, uiBufWidth * uiLines);
        }
        break;
        case FILL_FRAME:
        {
          for( UInt y = uiPicHeight; y < uiBufHeight; y++ )
          {
            memcpy( pucDest, pucDest - uiBufStride, uiBufStride );
            pucDest += uiBufStride;
          }
        }
        break;
        case FILL_FIELD:
        {
          ROT( (uiBufHeight - uiPicHeight) & 1 );
          for( UInt y = uiPicHeight; y < uiBufHeight; y+=2 )
          {
            memcpy( pucDest, pucDest - 2*uiBufStride, 2*uiBufStride );
            pucDest += 2*uiBufStride;
          }
        }
        break;
        default:
          AF()
        break;
      }
    }
  }

  return Err::m_nOK;
}
void Foam::timeVaryingMappedFixedValuePointPatchField<Type>::updateCoeffs()
{
    if (this->updated())
    {
        return;
    }

    checkTable();

    // Interpolate between the sampled data

    Type wantedAverage;

    if (endSampleTime_ == -1)
    {
        // only start value
        if (debug)
        {
            Pout<< "updateCoeffs : Sampled, non-interpolated values"
                << " from start time:"
                << sampleTimes_[startSampleTime_].name() << nl;
        }

        this->operator==(startSampledValues_);
        wantedAverage = startAverage_;
    }
    else
    {
        scalar start = sampleTimes_[startSampleTime_].value();
        scalar end = sampleTimes_[endSampleTime_].value();

        scalar s = (this->db().time().value()-start)/(end-start);

        if (debug)
        {
            Pout<< "updateCoeffs : Sampled, interpolated values"
                << " between start time:"
                << sampleTimes_[startSampleTime_].name()
                << " and end time:" << sampleTimes_[endSampleTime_].name()
                << " with weight:" << s << endl;
        }

        this->operator==((1-s)*startSampledValues_ + s*endSampledValues_);
        wantedAverage = (1-s)*startAverage_ + s*endAverage_;
    }

    // Enforce average. Either by scaling (if scaling factor > 0.5) or by
    // offsetting.
    if (setAverage_)
    {
        const Field<Type>& fld = *this;

        Type averagePsi = gAverage(fld);

        if (debug)
        {
            Pout<< "updateCoeffs :"
                << " actual average:" << averagePsi
                << " wanted average:" << wantedAverage
                << endl;
        }

        if (mag(averagePsi) < VSMALL)
        {
            // Field too small to scale. Offset instead.
            const Type offset = wantedAverage - averagePsi;
            if (debug)
            {
                Pout<< "updateCoeffs :"
                    << " offsetting with:" << offset << endl;
            }
            this->operator==(fld+offset);
        }
        else
        {
            const scalar scale = mag(wantedAverage)/mag(averagePsi);

            if (debug)
            {
                Pout<< "updateCoeffs :"
                    << " scaling with:" << scale << endl;
            }
            this->operator==(scale*fld);
        }
    }

    // apply offset to mapped values
    if (offset_.valid())
    {
        const scalar t = this->db().time().timeOutputValue();
        this->operator==(*this + offset_->value(t));
    }

    if (debug)
    {
        Pout<< "updateCoeffs : set fixedValue to min:" << gMin(*this)
            << " max:" << gMax(*this)
            << " avg:" << gAverage(*this) << endl;
    }

    fixedValuePointPatchField<Type>::updateCoeffs();
}
void thermalBaffle1DFvPatchScalarField<solidType>::updateCoeffs()
{
    if (updated())
    {
        return;
    }
    // Since we're inside initEvaluate/evaluate there might be processor
    // comms underway. Change the tag we use.
    int oldTag = UPstream::msgType();
    UPstream::msgType() = oldTag+1;


    const mapDistribute& mapDist = this->mappedPatchBase::map();

    const label patchi = patch().index();

    const label nbrPatchi = samplePolyPatch().index();

    if (baffleActivated_)
    {
        const fvPatch& nbrPatch = patch().boundaryMesh()[nbrPatchi];

        const compressible::turbulenceModel& turbModel =
            db().template lookupObject<compressible::turbulenceModel>
            (
                "turbulenceModel"
            );

        // local properties
        const scalarField kappaw(turbModel.kappaEff(patchi));

        const fvPatchScalarField& Tp =
            patch().template lookupPatchField<volScalarField, scalar>(TName_);


        scalarField Qr(Tp.size(), 0.0);

        if (QrName_ != "none")
        {
            Qr = patch().template lookupPatchField<volScalarField, scalar>
                (QrName_);

            Qr = QrRelaxation_*Qr + (1.0 - QrRelaxation_)*QrPrevious_;
            QrPrevious_ = Qr;
        }

        tmp<scalarField> Ti = patchInternalField();

        scalarField myKDelta(patch().deltaCoeffs()*kappaw);

        // nrb properties
        scalarField nbrTp =
            turbModel.thermo().T().boundaryField()[nbrPatchi];
        mapDist.distribute(nbrTp);

        // solid properties
        scalarField kappas(patch().size(), 0.0);
        forAll(kappas, i)
        {
            kappas[i] = solid().kappa(0.0, (Tp[i] + nbrTp[i])/2.0);
        }

        const scalarField KDeltaSolid(kappas/baffleThickness());

        const scalarField alpha(KDeltaSolid - Qr/Tp);

        valueFraction() = alpha/(alpha + myKDelta);

        refValue() = (KDeltaSolid*nbrTp + Qs()/2.0)/alpha;

        if (debug)
        {
            scalar Q = gAverage(kappaw*snGrad());
            Info<< patch().boundaryMesh().mesh().name() << ':'
                << patch().name() << ':'
                << this->dimensionedInternalField().name() << " <- "
                << nbrPatch.name() << ':'
                << this->dimensionedInternalField().name() << " :"
                << " heat[W]:" << Q
                << " walltemperature "
                << " min:" << gMin(*this)
                << " max:" << gMax(*this)
                << " avg:" << gAverage(*this)
                << endl;
        }
    }
Ejemplo n.º 30
0
Archivo: CFMO.cpp Proyecto: hwyhit/JSVM
/*!
 ************************************************************************
 * \brief
 *    Generate box-out slice group map type MapUnit map (type 3)
 *
 ************************************************************************
 */
Void FMO::GenerateType3MapUnitMap()
{

  unsigned i, k;
  int leftBound, topBound, rightBound, bottomBound;
  int x, y, xDir, yDir;
  int mapUnitVacant;

  unsigned mapUnitsInSliceGroup0 = gMin((pps_.slice_group_change_rate_minus1 + 1) * img_.slice_group_change_cycle, PicSizeInMapUnits_);

  for( i = 0; i < PicSizeInMapUnits_; i++ )
    MapUnitToSliceGroupMap_[ i ] = 2;

  x = ( img_.PicWidthInMbs - pps_.slice_group_change_direction_flag ) / 2;
  y = ( img_.PicHeightInMapUnits - pps_.slice_group_change_direction_flag ) / 2;

  leftBound   = x;
  topBound    = y;
  rightBound  = x;
  bottomBound = y;

  xDir =  pps_.slice_group_change_direction_flag - 1;
  yDir =  pps_.slice_group_change_direction_flag;

  for( k = 0; k < PicSizeInMapUnits_; k += mapUnitVacant )
  {
    mapUnitVacant = ( MapUnitToSliceGroupMap_[ y * img_.PicWidthInMbs + x ]  ==  2 );
    if( mapUnitVacant )
       MapUnitToSliceGroupMap_[ y * img_.PicWidthInMbs + x ] = ( k >= mapUnitsInSliceGroup0 );

    if( xDir  ==  -1  &&  x  ==  leftBound )
    {
      leftBound = gMax( leftBound - 1, 0 );
      x = leftBound;
      xDir = 0;
      yDir = 2 * pps_.slice_group_change_direction_flag - 1;
    }
    else
      if( xDir  ==  1  &&  x  ==  rightBound )
      {
        rightBound = gMin( rightBound + 1, (int)img_.PicWidthInMbs - 1 );
        x = rightBound;
        xDir = 0;
        yDir = 1 - 2 * pps_.slice_group_change_direction_flag;
      }
      else
        if( yDir  ==  -1  &&  y  ==  topBound )
        {
          topBound = gMax( topBound - 1, 0 );
          y = topBound;
          xDir = 1 - 2 * pps_.slice_group_change_direction_flag;
          yDir = 0;
         }
        else
          if( yDir  ==  1  &&  y  ==  bottomBound )
          {
            bottomBound = gMin( bottomBound + 1, (int)img_.PicHeightInMapUnits - 1 );
            y = bottomBound;
            xDir = 2 * pps_.slice_group_change_direction_flag - 1;
            yDir = 0;
          }
          else
          {
            x = x + xDir;
            y = y + yDir;
          }
  }

}