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reorganized locations of some primitives

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This commit is contained in:
Mark Olesen
2009-02-27 17:46:43 +01:00
parent 106d417de0
commit f83e4cbd98
42 changed files with 45 additions and 41 deletions
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175
src/OpenFOAM/primitives/Tensor2D/tensor2D/tensor2D.C Normal file
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
\*---------------------------------------------------------------------------*/
#include "tensor2D.H"
#include "mathematicalConstants.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
template<>
const char* const tensor2D::typeName = "tensor2D";
template<>
const char* tensor2D::componentNames[] =
{
"xx", "xy",
"yx", "yy"
};
template<>
const tensor2D tensor2D::zero
(
0, 0,
0, 0
);
template<>
const tensor2D tensor2D::one
(
1, 1,
1, 1
);
template<>
const tensor2D tensor2D::max
(
VGREAT, VGREAT,
VGREAT, VGREAT
);
template<>
const tensor2D tensor2D::min
(
-VGREAT, -VGREAT,
-VGREAT, -VGREAT
);
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Return eigenvalues in ascending order of absolute values
vector2D eigenValues(const tensor2D& t)
{
scalar i = 0;
scalar ii = 0;
if (mag(t.xy()) < SMALL && mag(t.yx()) < SMALL)
{
i = t.xx();
ii = t.yy();
}
else
{
scalar mb = t.xx() + t.yy();
scalar c = t.xx()*t.yy() - t.xy()*t.yx();
// If there is a zero root
if (mag(c) < SMALL)
{
i = 0;
ii = mb;
}
else
{
scalar disc = sqr(mb) - 4*c;
if (disc > 0)
{
scalar q = sqrt(disc);
i = 0.5*(mb - q);
ii = 0.5*(mb + q);
}
else
{
FatalErrorIn("eigenValues(const tensor2D&)")
<< "zero and complex eigenvalues in tensor2D: " << t
<< abort(FatalError);
}
}
}
// Sort the eigenvalues into ascending order
if (mag(i) > mag(ii))
{
Swap(i, ii);
}
return vector2D(i, ii);
}
vector2D eigenVector(const tensor2D& t, const scalar lambda)
{
if (lambda < SMALL)
{
return vector2D::zero;
}
if (mag(t.xy()) < SMALL && mag(t.yx()) < SMALL)
{
if (lambda > min(t.xx(), t.yy()))
{
return vector2D(1, 0);
}
else
{
return vector2D(0, 1);
}
}
else if (mag(t.xy()) < SMALL)
{
return vector2D(lambda - t.yy(), t.yx());
}
else
{
return vector2D(t.xy(), lambda - t.yy());
}
}
tensor2D eigenVectors(const tensor2D& t)
{
vector2D evals(eigenValues(t));
tensor2D evs;
evs.x() = eigenVector(t, evals.x());
evs.y() = eigenVector(t, evals.y());
return evs;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// ************************************************************************* //

73
src/OpenFOAM/primitives/Tensor2D/tensor2D/tensor2D.H Normal file
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Typedef
Foam::tensor2D
Description
Tensor2D or scalars.
SourceFiles
tensor2D.C
\*---------------------------------------------------------------------------*/
#ifndef tensor2D_H
#define tensor2D_H
#include "Tensor2D.H"
#include "vector2D.H"
#include "contiguous.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
typedef Tensor2D<scalar> tensor2D;
vector2D eigenValues(const tensor2D& t);
vector2D eigenVector(const tensor2D& t, const scalar lambda);
tensor2D eigenVectors(const tensor2D& t);
//- Data associated with tensor2D type are contiguous
template<>
inline bool contiguous<tensor2D>() {return true;}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "sphericalTensor2D.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //