| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2024 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/>. | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // | |
| Foam::decompositionMethods::geometric::geometric | |
| ( | |
| const dictionary& decompositionDict, | |
| const dictionary& methodDict | |
| ) | |
| : | |
| decompositionMethod(decompositionDict), | |
| n_(methodDict.lookup("n")), | |
| delta_(methodDict.lookupOrDefault<scalar>("delta", 0.001)), | |
| rotDelta_(I) | |
| { | |
| // Check that the decomposition specification makes sense: | |
| if (nProcessors_ != n_.x()*n_.y()*n_.z()) | |
| { | |
| FatalErrorInFunction | |
| << "Wrong number of processor divisions in geometric:" << nl | |
| << "Number of domains : " << nProcessors_ << nl | |
| << "Wanted decomposition : " << n_ | |
| << exit(FatalError); | |
| } | |
| const scalar d = 1 - 0.5*delta_*delta_; | |
| const scalar d2 = sqr(d); | |
| const scalar a = delta_; | |
| const scalar a2 = sqr(a); | |
| rotDelta_ = tensor | |
| ( | |
| d2, -a*d, a, | |
| a*d - a2*d, a*a2 + d2, -2*a*d, | |
| a*d2 + a2, a*d - a2*d, d2 - a2 | |
| ); | |
| } | |
| // ************************************************************************* // | |