Files
openfoam/src/OpenFOAM/primitives/Tensor/tensor/tensor.H
Will Bainbridge 0be6269add Added robust primitive cubic/quadratic/linear equation solutions.
Applied to eigen-value calculations. Fixed repeated-eigen-value issues
in eigen-vector generation.
2017-03-22 15:11:54 +00:00

89 lines
2.5 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2017 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/>.
Typedef
Foam::tensor
Description
Tensor of scalars.
SourceFiles
tensor.C
\*---------------------------------------------------------------------------*/
#ifndef tensor_H
#define tensor_H
#include "Tensor.H"
#include "vector.H"
#include "sphericalTensor.H"
#include "symmTensor.H"
#include "contiguous.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
typedef Tensor<scalar> tensor;
vector eigenValues(const tensor& T);
vector eigenVector
(
const tensor& T,
const scalar lambda,
const vector& direction1,
const vector& direction2
);
tensor eigenVectors(const tensor& T, const vector& lambdas);
tensor eigenVectors(const tensor& T);
vector eigenValues(const symmTensor& T);
vector eigenVector
(
const symmTensor& T,
const scalar lambda,
const vector& direction1,
const vector& direction2
);
tensor eigenVectors(const symmTensor& T, const vector& lambdas);
tensor eigenVectors(const symmTensor& T);
//- Data associated with tensor type are contiguous
template<>
inline bool contiguous<tensor>() {return true;}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //