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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2021-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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for more details.
You should have received a copy of the GNU General Public License
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Class
Foam::patchToPatches::inverseDistance
Description
Class to generate patchToPatch coupling geometry. Couples a face to the
opposite face onto which its centre-normal ray projects, plus the immediate
neighbours to that opposite face. The proportion of contribution from the
different faces is calculated using inverse distance weighting.
SourceFiles
inverseDistance.C
\*---------------------------------------------------------------------------*/
#ifndef inverseDistancePatchToPatch_H
#define inverseDistancePatchToPatch_H
#include "nearbyPatchToPatch.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace patchToPatches
{
/*---------------------------------------------------------------------------*\
Class inverseDistance Declaration
\*---------------------------------------------------------------------------*/
class inverseDistance
:
public nearby
{
// Private Data
//- For each source face, the coupled target weights
List<DynamicList<scalar>> srcWeights_;
//- For each target face, the coupled source weights
List<DynamicList<scalar>> tgtWeights_;
// Private Static Member Functions
//- Return whether a ray starting at point `p` with direction `r` hits
// a face `f` with points `ps`
static bool rayHitsFace
(
const point& p,
const vector& r,
const face& f,
const pointField& ps
);
// Private Member Functions
//- Initialisation
virtual void initialise
(
const primitiveOldTimePatch& srcPatch,
const vectorField& srcPointNormals,
const vectorField& srcPointNormals0,
const primitiveOldTimePatch& tgtPatch
);
//- Convert the addressing generated by the base class into weights
// (and addressing) appropriate for inverse distance interpolation
void generateWeights
(
const primitiveOldTimePatch& srcPatch,
const primitiveOldTimePatch& tgtPatch
);
//- Finalise the intersection locally. Trims the local target patch
// so that only parts that actually intersect the source remain.
// Returns new-to-old map for trimming target-associated data.
virtual labelList finaliseLocal
(
const primitiveOldTimePatch& srcPatch,
const vectorField& srcPointNormals,
const vectorField& srcPointNormals0,
const primitiveOldTimePatch& tgtPatch
);
//- Send data that resulted from an intersection between the source
// patch and a distributed source-local-target patch back to the
// original target processes
virtual void rDistributeTgt(const primitiveOldTimePatch& tgtPatch);
//- Finalise the intersection
virtual label finalise
(
const primitiveOldTimePatch& srcPatch,
const vectorField& srcPointNormals,
const vectorField& srcPointNormals0,
const primitiveOldTimePatch& tgtPatch,
const transformer& tgtToSrc
);
//- For each source face, the coupled target weights
virtual tmpNrc<List<DynamicList<scalar>>> srcWeights() const;
//- For each target face, the coupled source weights
virtual tmpNrc<List<DynamicList<scalar>>> tgtWeights() const;
public:
//- Runtime type information
TypeName("inverseDistance");
// Constructors
//- Construct from components
inverseDistance(const bool reverse);
//- Destructor
~inverseDistance();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace patchToPatches
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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