singleDirectionUniformBinTemplates.C

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    Copyright (C) 2021-2022 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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    under the terms of the GNU General Public License as published by
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    (at your option) any later version.

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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

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template<class Type>
void Foam::binModels::singleDirectionUniformBin::writeFileHeader
(
    OFstream& os
) const
{
    writeHeaderValue(os, "bins", nBin_);
    writeHeaderValue(os, "start", binMin_);
    writeHeaderValue(os, "end", binMax_);
    writeHeaderValue(os, "delta", binDx_);
    writeHeaderValue(os, "direction", binDir_);

    // Compute and print bin end points in the binning direction
    vectorField binPoints(nBin_);
    writeCommented(os, "x co-ords  :");
    forAll(binPoints, pointi)
    {
        binPoints[pointi] = (binMin_ + (pointi + 1)*binDx_)*binDir_;
        os  << tab << binPoints[pointi].x();
    }
    os  << nl;

    writeCommented(os, "y co-ords  :");
    forAll(binPoints, pointi)
    {
        os  << tab << binPoints[pointi].y();
    }
    os  << nl;

    writeCommented(os, "z co-ords  :");
    forAll(binPoints, pointi)
    {
        os  << tab << binPoints[pointi].z();
    }
    os  << nl;

    writeHeader(os, "");
    writeCommented(os, "Time");

    for (label i = 0; i < nBin_; ++i)
    {
        const word ibin("_" + Foam::name(i));
        writeTabbed(os, writeComponents<Type>("total" + ibin));
        writeTabbed(os, writeComponents<Type>("internal" + ibin));

        if (decomposePatchValues_)
        {
            writeTabbed(os, writeComponents<Type>("normal" + ibin));
            writeTabbed(os, writeComponents<Type>("tangenial" + ibin));
        }
        else
        {
            writeTabbed(os, writeComponents<Type>("patch" + ibin));
        }

    }

    os  << endl;
}


template<class Type>
bool Foam::binModels::singleDirectionUniformBin::processField
(
    const label fieldi
)
{
    const word& fieldName = fieldNames_[fieldi];

    typedef GeometricField<Type, fvPatchField, volMesh> VolFieldType;

    const VolFieldType* fieldPtr = mesh_.findObject<VolFieldType>(fieldName);

    if (!fieldPtr)
    {
        return false;
    }

    if (writeToFile() && !writtenHeader_)
    {
        writeFileHeader<Type>(filePtrs_[fieldi]);
    }

    const VolFieldType& fld = *fieldPtr;

    // Total number of fields
    //
    // 0: internal
    // 1: patch total
    //
    // OR
    //
    // 0: internal
    // 1: patch normal
    // 2: patch tangential
    label nField = 2;
    if (decomposePatchValues_)
    {
        nField += 1;
    }

    List<List<Type>> data(nField);
    for (auto& binList : data)
    {
        binList.setSize(nBin_, Zero);
    }

    for (const label zonei : cellZoneIDs_)
    {
        const cellZone& cZone = mesh_.cellZones()[zonei];

        for (const label celli : cZone)
        {
            const scalar dd = mesh_.C()[celli] & binDir_;

            if (dd < binMin_ || dd > binMax_)
            {
                continue;
            }

            // Find the bin division corresponding to the cell
            const label bini =
                min(max(floor((dd - binMin_)/binDx_), 0), nBin_ - 1);

            data[0][bini] += fld[celli];
        }
    }

    forAllIters(patchSet_, iter)
    {
        const label patchi = iter();
        const polyPatch& pp = mesh_.boundaryMesh()[patchi];
        const vectorField np(mesh_.boundary()[patchi].nf());

        const scalarField dd(pp.faceCentres() & binDir_);

        forAll(dd, facei)
        {
            // Avoid faces outside of the bin
            if (dd[facei] < binMin_ || dd[facei] > binMax_)
            {
                continue;
            }

            // Find the bin division corresponding to the face
            const label bini =
                min(max(floor((dd[facei] - binMin_)/binDx_), 0), nBin_ - 1);

            const Type& v = fld.boundaryField()[patchi][facei];

            if (!decomposePatchValues(data, bini, v, np[facei]))
            {
                data[1][bini] += v;
            }
        }
    }

    for (auto& binList : data)
    {
        reduce(binList, sumOp<List<Type>>());
    }

    if (writeToFile())
    {
        writeBinnedData(data, filePtrs_[fieldi]);
    }

    return true;
}


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