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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2020-2022 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
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "MPLICcell.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
inline void Foam::MPLICcell::calcAddressing
(
const MPLICcellStorage& cellInfo
)
{
localEdgeFaces_.setSize(cellInfo.cellEdges().size());
localFaceEdges_.setSize(cellInfo.size());
// Create edge map, setting edge faces to zero
Map<label> edgeMap;
forAll(cellInfo.cellEdges(), edgei)
{
edgeMap.set(cellInfo.cellEdges()[edgei], edgei);
localEdgeFaces_[edgei].clear();
}
// Set size of each face edges to zero
forAll(localFaceEdges_, i)
{
localFaceEdges_[i].clear();
}
forAll(cellInfo.cellFaces(), facei)
{
const label faceN = cellInfo.cellFaces()[facei];
const labelList& faceEdges = cellInfo.faceEdges()[faceN];
forAll(faceEdges, edgei)
{
const label edg = faceEdges[edgei];
const label localEdgeIndex = edgeMap[edg];
localEdgeFaces_[localEdgeIndex].append(facei);
localFaceEdges_[facei].append(localEdgeIndex);
}
}
addressingCalculated_ = true;
}
inline bool Foam::MPLICcell::cutStatusCalcSf()
{
bool cutOrientationDiffers = false;
const point pAvg = sum(cutPoints_)/cutPoints_.size();
for (label i=0; i<cutPoints_.size(); i+=2)
{
const vector area = (cutPoints_[i] - pAvg)^(cutPoints_[i+1] - pAvg);
cutSf_ += area;
if
(
sign(area.x()*cutSf_.x()) == -1
|| sign(area.y()*cutSf_.y()) == -1
|| sign(area.z()*cutSf_.z()) == -1
)
{
cutOrientationDiffers = true;
}
}
cutSf_ *= 0.5;
return cutOrientationDiffers;
}
inline Foam::vector Foam::MPLICcell::calcCutSf() const
{
vector cutArea = Zero;
const point pAvg = sum(cutPoints_)/cutPoints_.size();
for (label i=0; i<cutPoints_.size(); i+=2)
{
cutArea += (cutPoints_[i] - pAvg)^(cutPoints_[i+1] - pAvg);
}
cutArea *= 0.5;
return cutArea;
}
inline Foam::vector Foam::MPLICcell::calcCutCf(const vector& cutSf) const
{
const vector sumAHat = normalised(cutSf);
const point pAvg = sum(cutPoints_)/cutPoints_.size();
scalar sumAn = 0;
vector sumAnc = Zero;
for (label i=0; i < cutPoints_.size(); i+=2)
{
const vector a = (cutPoints_[i] - pAvg) ^ (cutPoints_[i+1] - pAvg);
const vector c = cutPoints_[i] + cutPoints_[i+1] + pAvg;
const scalar an = a & sumAHat;
sumAn += an;
sumAnc += an*c;
}
if (sumAn > vSmall)
{
return (1.0/3.0)*sumAnc/sumAn;
}
else
{
return pAvg;
}
}
inline void Foam::MPLICcell::appendSfCf
(
const vector& Sf,
const vector& Cf,
const scalar magSf,
const bool own
)
{
if (magSf > 0)
{
if (own)
{
subFaceAreas_.append(Sf);
}
else
{
subFaceAreas_.append(-Sf);
}
subFaceCentres_.append(Cf);
}
}
inline void Foam::MPLICcell::phiU
(
const pointField& points,
const faceList& faces,
const labelList& cFaces,
const vectorField& pointsU
)
{
const label nFaces = cFaces.size();
// Set size and initialise alphaPhiU
alphaPhiU_.setSize(nFaces);
alphaPhiU_ = 0;
// Set size and initialise phiU
phiU_.setSize(nFaces);
// Reconstruct fluxes
forAll(cFaces, facei)
{
phiU_[facei] =
MPLICface().alphaPhiU(pointsU, points, faces[cFaces[facei]]);
}
}
inline void Foam::MPLICcell::resetFaceFields(const label nFaces)
{
alphaf_.setSize(nFaces);
alphaf_ = 0;
if (unweighted_)
{
subFaceMagSf_.setSize(nFaces);
subFaceMagSf_ = 0;
}
else
{
alphaPhiU_.setSize(nFaces);
alphaPhiU_ = 0;
}
}
inline void Foam::MPLICcell::calcAlphaf
(
const UIndirectList<scalar>& magSfs
)
{
const label nFaces = magSfs.size();
alphaf_.setSize(nFaces);
forAll(alphaf_, facei)
{
if (magSfs[facei] > vSmall)
{
alphaf_[facei] = subFaceMagSf_[facei]/magSfs[facei];
// Bound between 0 and 1 (it is always > 0)
alphaf_[facei] = (alphaf_[facei] > 1) ? 1 : alphaf_[facei];
}
else
{
alphaf_[facei] = 0;
}
}
}
inline void Foam::MPLICcell::calcAlphaUf()
{
const label nFaces = alphaPhiU_.size();
alphaf_.setSize(nFaces);
forAll(alphaf_, facei)
{
if (mag(phiU_[facei]) > vSmall)
{
alphaf_[facei] = alphaPhiU_[facei]/phiU_[facei];
// Bound between 0 and 1
alphaf_[facei] = (alphaf_[facei] > 1) ? 1 : alphaf_[facei];
alphaf_[facei] = (alphaf_[facei] < 0) ? 0 : alphaf_[facei];
}
else
{
alphaf_[facei] = 0;
}
}
}
inline void Foam::MPLICcell::clearOneCut()
{
cutPoints_.clear();
cutEdges_.clear();
subFaceAreas_.clear();
subFaceCentres_.clear();
}
inline void Foam::MPLICcell::clear()
{
clearOneCut();
alphaPhiU_.clear();
subFaceMagSf_.clear();
cutAlpha_ = -1;
cutNormal_ = Zero;
cutSf_ = Zero;
subCellVolume_ = 0;
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
inline const Foam::DynamicList<Foam::scalar>& Foam::MPLICcell::alphaf() const
{
return alphaf_;
}
inline const Foam::vector& Foam::MPLICcell::cutNormal() const
{
return cutNormal_;
}
inline Foam::scalar Foam::MPLICcell::subCellVolume() const
{
return subCellVolume_;
}
inline Foam::scalar Foam::MPLICcell::cutAlpha() const
{
return cutAlpha_;
}
// ************************************************************************* //
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