1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 \*---------------------------------------------------------------------------*/
29 #include "geomDecomp.H"
31 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
33 Foam::geomDecomp::geomDecomp
35 const dictionary& decompositionDict,
36 const word& derivedType
39 decompositionMethod(decompositionDict),
40 geomDecomDict_(decompositionDict.subDict(derivedType + "Coeffs")),
41 n_(geomDecomDict_.lookup("n")),
42 delta_(readScalar(geomDecomDict_.lookup("delta"))),
45 // check that the case makes sense :
47 if (nProcessors_ != n_.x()*n_.y()*n_.z())
51 "geomDecomp::geomDecomp"
52 "(const dictionary& decompositionDict)"
53 ) << "Wrong number of processor divisions in geomDecomp:" << nl
54 << "Number of domains : " << nProcessors_ << nl
55 << "Wanted decomposition : " << n_
59 scalar d = 1 - 0.5*delta_*delta_;
68 a*d - a2*d, a*a2 + d2, -2*a*d,
69 a*d2 + a2, a*d - a2*d, d2 - a2
74 // ************************************************************************* //