| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2012-2025 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/>. | |
| Class | |
| Foam::tetOverlapVolume | |
| Description | |
| Calculates the overlap volume of two cells using tetrahedral decomposition | |
| SourceFiles | |
| tetOverlapVolume.C | |
| \*---------------------------------------------------------------------------*/ | |
| namespace Foam | |
| { | |
| class primitiveMesh; | |
| class polyMesh; | |
| /*---------------------------------------------------------------------------*\ | |
| Class tetOverlapVolume Declaration | |
| \*---------------------------------------------------------------------------*/ | |
| class tetOverlapVolume | |
| { | |
| // Private Member Functions | |
| //- Tet overlap volume | |
| scalar tetTetOverlapVol | |
| ( | |
| const tetPointRef& tetA, | |
| const tetPointRef& tetB | |
| ) const; | |
| //- Return a const treeBoundBox | |
| treeBoundBox pyrBb | |
| ( | |
| const pointField& points, | |
| const face& f, | |
| const point& fc | |
| ) const; | |
| // Private classes | |
| //- A fixed list of tets which simulates a dynamic list by incrementing | |
| // a counter whenever its append method is called. This is used as an | |
| // optimisation for the tetTetOverlapVol method. | |
| template<unsigned Size> | |
| class cutTetList | |
| : | |
| public FixedList<FixedList<point, 4>, Size> | |
| { | |
| private: | |
| //- The number of stored elements | |
| label n_; | |
| public: | |
| //- Construct null | |
| cutTetList() | |
| : | |
| n_(0) | |
| {} | |
| //- Clear the array | |
| void clear() | |
| { | |
| n_ = 0; | |
| } | |
| //- Get the current size | |
| label size() const | |
| { | |
| return n_; | |
| } | |
| //- Add a new tet to the end of the array | |
| void append(const FixedList<point, 4>& t) | |
| { | |
| this->operator[](n_) = t; | |
| ++ n_; | |
| } | |
| }; | |
| public: | |
| //- Runtime type information | |
| ClassName("tetOverlapVolume"); | |
| // Constructors | |
| //- Null constructor | |
| tetOverlapVolume(); | |
| // Public members | |
| //- Calculates the cell volume | |
| scalar cellVolumeMinDecomp | |
| ( | |
| const primitiveMesh& mesh, | |
| const label celli | |
| ) const; | |
| //- Return true if olverlap volume is greater than threshold | |
| bool cellCellOverlapMinDecomp | |
| ( | |
| const primitiveMesh& meshA, | |
| const label cellAI, | |
| const primitiveMesh& meshB, | |
| const label cellBI, | |
| const treeBoundBox& cellBbB, | |
| const scalar threshold = 0.0 | |
| ) const; | |
| //- Calculates the overlap volume | |
| scalar cellCellOverlapVolumeMinDecomp | |
| ( | |
| const primitiveMesh& meshA, | |
| const label cellAI, | |
| const primitiveMesh& meshB, | |
| const label cellBI, | |
| const treeBoundBox& cellBbB | |
| ) const; | |
| }; | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| } // End namespace Foam | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |