OpenFOAM-dev / data /applications /utilities /deprecated /topoSet /topoSetSources /cellSources /targetVolumeToCell /targetVolumeToCell.C
| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2012-2026 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. | |
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| 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/>. | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| defineTypeNameAndDebug(targetVolumeToCell, 0); | |
| addToRunTimeSelectionTable(topoSetSource, targetVolumeToCell, word); | |
| } | |
| // * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * // | |
| Foam::scalar Foam::targetVolumeToCell::volumeOfSet | |
| ( | |
| const PackedBoolList& selected | |
| ) const | |
| { | |
| scalar sumVol = 0.0; | |
| forAll(selected, celli) | |
| { | |
| if (selected[celli]) | |
| { | |
| sumVol += mesh_.cellVolumes()[celli]; | |
| } | |
| } | |
| return returnReduce(sumVol, sumOp()); | |
| } | |
| Foam::label Foam::targetVolumeToCell::selectCells | |
| ( | |
| const scalar normalComp, | |
| const PackedBoolList& maskSet, | |
| PackedBoolList& selected | |
| ) const | |
| { | |
| selected.setSize(mesh_.nCells()); | |
| selected = false; | |
| label nSelected = 0; | |
| forAll(mesh_.cellCentres(), celli) | |
| { | |
| const point& cc = mesh_.cellCentres()[celli]; | |
| if (maskSet[celli] && ((cc&n_) < normalComp)) | |
| { | |
| selected[celli] = true; | |
| nSelected++; | |
| } | |
| } | |
| return returnReduce(nSelected, sumOp()); | |
| } | |
| void Foam::targetVolumeToCell::combine(topoSet& set, const bool add) const | |
| { | |
| if (vol_ <= 0) | |
| { | |
| // Select no cells | |
| return; | |
| } | |
| PackedBoolList maskSet(mesh_.nCells(), 1); | |
| label nTotCells = mesh_.globalData().nTotalCells(); | |
| if (maskSetName_.size()) | |
| { | |
| // Read cellSet | |
| Info<< " Operating on subset defined by cellSet " << maskSetName_ | |
| << endl; | |
| maskSet = 0; | |
| cellSet subset(mesh_, maskSetName_); | |
| forAllConstIter(cellSet, subset, iter) | |
| { | |
| maskSet[iter.key()] = 1; | |
| } | |
| nTotCells = returnReduce(subset.size(), sumOp()); | |
| } | |
| // Get plane for min,max volume. | |
| // Planes all have base (0 0 0) and fixed normal so work only on normal | |
| // component. | |
| scalar maxComp = -great; | |
| label maxCells = 0; | |
| // scalar maxVol = 0; | |
| scalar minComp = great; | |
| { | |
| const boundBox& bb = mesh_.bounds(); | |
| pointField points(bb.points()); | |
| // label minPointi = -1; | |
| label maxPointi = -1; | |
| forAll(points, pointi) | |
| { | |
| scalar c = (points[pointi]&n_); | |
| if (c > maxComp) | |
| { | |
| maxComp = c; | |
| maxPointi = pointi; | |
| } | |
| else if (c < minComp) | |
| { | |
| minComp = c; | |
| // minPointi = pointi; | |
| } | |
| } | |
| PackedBoolList maxSelected(mesh_.nCells()); | |
| maxCells = selectCells(maxComp, maskSet, maxSelected); | |
| // maxVol = volumeOfSet(maxSelected); | |
| // Check that maxPoint indeed selects all cells | |
| if (maxCells != nTotCells) | |
| { | |
| WarningInFunction | |
| << "Plane " << plane(points[maxPointi], n_) | |
| << " selects " << maxCells | |
| << " cells instead of all " << nTotCells | |
| << " cells. Results might be wrong." << endl; | |
| } | |
| } | |
| // Bisection | |
| // ~~~~~~~~~ | |
| PackedBoolList selected(mesh_.nCells()); | |
| label nSelected = -1; | |
| scalar selectedVol = 0.0; | |
| // scalar selectedComp = 0.0; | |
| scalar low = minComp; | |
| scalar high = maxComp; | |
| const scalar tolerance = small*100*(maxComp-minComp); | |
| while ((high-low) > tolerance) | |
| { | |
| scalar mid = 0.5*(low + high); | |
| nSelected = selectCells(mid, maskSet, selected); | |
| selectedVol = volumeOfSet(selected); | |
| // Pout<< "High:" << high << " low:" << low << " mid:" << mid << nl | |
| // << " nSelected:" << nSelected << nl | |
| // << " vol :" << selectedVol << nl | |
| // << endl; | |
| if (selectedVol < vol_) | |
| { | |
| low = mid; | |
| PackedBoolList highSelected(mesh_.nCells()); | |
| label nHigh = selectCells(high, maskSet, selected); | |
| if (nSelected == nHigh) | |
| { | |
| break; | |
| } | |
| } | |
| else | |
| { | |
| high = mid; | |
| PackedBoolList lowSelected(mesh_.nCells()); | |
| label nLow = selectCells(low, maskSet, selected); | |
| if (nSelected == nLow) | |
| { | |
| break; | |
| } | |
| } | |
| } | |
| nSelected = selectCells(high, maskSet, selected); | |
| selectedVol = volumeOfSet(selected); | |
| if (selectedVol < vol_) | |
| { | |
| // selectedComp = high; | |
| } | |
| else | |
| { | |
| nSelected = selectCells(low, maskSet, selected); | |
| selectedVol = volumeOfSet(selected); | |
| if (selectedVol < vol_) | |
| { | |
| // selectedComp = low; | |
| } | |
| else | |
| { | |
| WarningInFunction | |
| << "Did not converge onto plane. " << nl | |
| << "high plane:" | |
| << plane(high*n_, n_) | |
| << nl | |
| << "low plane :" | |
| << plane(low*n_, n_) | |
| << endl; | |
| } | |
| } | |
| Info<< " Selected " << nSelected << " with actual volume " << selectedVol | |
| << endl; | |
| forAll(selected, celli) | |
| { | |
| if (selected[celli]) | |
| { | |
| addOrDelete(set, celli, add); | |
| } | |
| } | |
| } | |
| // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // | |
| Foam::targetVolumeToCell::targetVolumeToCell | |
| ( | |
| const polyMesh& mesh, | |
| const scalar vol, | |
| const vector& n | |
| ) | |
| : | |
| topoSetSource(mesh), | |
| vol_(vol), | |
| n_(n) | |
| {} | |
| Foam::targetVolumeToCell::targetVolumeToCell | |
| ( | |
| const polyMesh& mesh, | |
| const dictionary& dict | |
| ) | |
| : | |
| topoSetSource(mesh), | |
| vol_(dict.lookup<scalar>("volume", pow3(dimensions::length))), | |
| n_(dict.lookup<vector>("normal", dimless)), | |
| maskSetName_(dict.lookupOrDefault<word>("set", "")) | |
| {} | |
| // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * // | |
| Foam::targetVolumeToCell::~targetVolumeToCell() | |
| {} | |
| // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * // | |
| void Foam::targetVolumeToCell::applyToSet | |
| ( | |
| const topoSetSource::setAction action, | |
| topoSet& set | |
| ) const | |
| { | |
| if ((action == topoSetSource::NEW) || (action == topoSetSource::ADD)) | |
| { | |
| Info<< " Adding cells up to target volume " << vol_ | |
| << " out of total volume " << gSum(mesh_.cellVolumes()) << endl; | |
| combine(set, true); | |
| } | |
| else if (action == topoSetSource::DELETE) | |
| { | |
| Info<< " Removing cells up to target volume " << vol_ | |
| << " out of total volume " << gSum(mesh_.cellVolumes()) << endl; | |
| combine(set, false); | |
| } | |
| } | |
| // ************************************************************************* // | |