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========= |
\\ / 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/>.
\*---------------------------------------------------------------------------*/
#include "geometric.H"
// * * * * * * * * * * * * * * * * 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
);
}
// ************************************************************************* //
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