meshWaveAddressingPatchDistMethod.C

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    Copyright (C) 2023 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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#include "meshWaveAddressingPatchDistMethod.H"
#include "wallDistAddressing.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
namespace patchDistMethods
{
    defineTypeNameAndDebug(meshWaveAddressing, 0);
    addToRunTimeSelectionTable(patchDistMethod, meshWaveAddressing, dictionary);
}
}


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

Foam::patchDistMethods::meshWaveAddressing::meshWaveAddressing
(
    const dictionary& dict,
    const fvMesh& mesh,
    const labelHashSet& patchIDs
)
:
    patchDistMethod(mesh, patchIDs),
    correctWalls_(dict.getOrDefault("correctWalls", true))
{}


Foam::patchDistMethods::meshWaveAddressing::meshWaveAddressing
(
    const fvMesh& mesh,
    const labelHashSet& patchIDs,
    const bool correctWalls
)
:
    patchDistMethod(mesh, patchIDs),
    correctWalls_(correctWalls)
{}


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

bool Foam::patchDistMethods::meshWaveAddressing::correct(volScalarField& y)
{
    return correct(y, const_cast<volVectorField&>(volVectorField::null()));
}


bool Foam::patchDistMethods::meshWaveAddressing::correct
(
    volScalarField& y,
    volVectorField& n
)
{
    // If not yet constructed, construct with our options.
    // Note that registration name is still 'wallDistAddressing'
    // since the supplied options (wall patchIDs and correctWalls)
    // are not assumed to be different from the defaults of other usage.

    // Calculate distance and addressing
    const auto& wDist = wallDistAddressing::New
    (
        "wall",
        mesh_,
        patchIDs_.sortedToc(),
        correctWalls_
    );

    y = wDist.y();

    // Note: copying value only so might not be consistent with supplied
    // patch types (e.g. zeroGradient when called from wallDist). Assume
    // only affected ones are the supplied patches ...
    {
        auto& bfld = y.boundaryFieldRef();
        const label startOfRequests = UPstream::nRequests();
        for (const label patchi : patchIDs_)
        {
            bfld[patchi].initEvaluate(UPstream::commsTypes::nonBlocking);
        }

        // Wait for outstanding requests
        UPstream::waitRequests(startOfRequests);

        for (const label patchi : patchIDs_)
        {
            bfld[patchi].evaluate(UPstream::commsTypes::nonBlocking);
        }
    }


    // Only calculate n if the field is defined
    if (notNull(n))
    {
        for (const label patchi : patchIDs_)
        {
            auto& pnf = n.boundaryFieldRef()[patchi];
            pnf == pnf.patch().nf();
        }

        // No problem with inconsistency as for y (see above) since doing
        // correctBoundaryConditions on actual n field.
        wDist.map(n, mapDistribute::transform());
    }

    return true;
}


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