MapConsistentVolFields.H

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    Copyright (C) 2019-2023 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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#ifndef MapConsistentVolFields_H
#define MapConsistentVolFields_H
 
#include "GeometricField.H"
#include "meshToMesh0.H"
#include "IOobjectList.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
template<class Type, class CombineOp>
void MapConsistentVolFields
(
    const IOobjectList& objects,
    const meshToMesh0& meshToMesh0Interp,
    const meshToMesh0::order& mapOrder,
    const CombineOp& cop
)
{
    typedef GeometricField<Type, fvPatchField, volMesh> fieldType;
 
    const fvMesh& meshSource = meshToMesh0Interp.fromMesh();
    const fvMesh& meshTarget = meshToMesh0Interp.toMesh();
 
    for (const IOobject& io : objects.csorted<fieldType>())
    {
        Info<< "    interpolating " << io.name() << endl;
 
        // Read field. Do not auto-load old-time field
        fieldType fieldSource(io, meshSource, false);
 
        IOobject fieldTargetIOobject
        (
            io.name(),
            meshTarget.time().timeName(),
            meshTarget,
            IOobjectOption::MUST_READ,
            IOobjectOption::AUTO_WRITE
        );
 
        if (fieldTargetIOobject.typeHeaderOk<fieldType>(true))
        {
            // Read fieldTarget
            fieldType fieldTarget(fieldTargetIOobject, meshTarget, false);
 
            // Interpolate field
            meshToMesh0Interp.interpolate
            (
                fieldTarget,
                fieldSource,
                mapOrder,
                cop
            );
 
            // Write field
            fieldTarget.write();
        }
        else
        {
            fieldTargetIOobject.readOpt(IOobjectOption::NO_READ);
 
            // Interpolate field
            fieldType fieldTarget
            (
                fieldTargetIOobject,
                meshToMesh0Interp.interpolate
                (
                    fieldSource,
                    mapOrder,
                    cop
                )
            );
 
            // Write field
            fieldTarget.write();
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //