tensor.H
Go to the documentation of this file.
1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration | Website: https://openfoam.org
5  \\ / A nd | Copyright (C) 2011-2025 OpenFOAM Foundation
6  \\/ M anipulation |
7 -------------------------------------------------------------------------------
8 License
9  This file is part of OpenFOAM.
10 
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
13  the Free Software Foundation, either version 3 of the License, or
14  (at your option) any later version.
15 
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
19  for more details.
20 
21  You should have received a copy of the GNU General Public License
22  along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
23 
24 Typedef
25  Foam::tensor
26 
27 Description
28  Tensor of scalars.
29 
30 SourceFiles
31  tensor.C
32 
33 \*---------------------------------------------------------------------------*/
34 
35 #ifndef tensor_H
36 #define tensor_H
37 
38 #include "Tensor.H"
39 #include "vector.H"
40 #include "sphericalTensor.H"
41 #include "symmTensor.H"
42 #include "contiguous.H"
43 
44 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
45 
46 namespace Foam
47 {
48 
49 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
50 
52 
53 vector eigenValues(const tensor& T);
55 
56 template<class TensorType>
58 (
59  const TensorType& T,
60  const scalar lambda,
61  const vector& direction1,
62  const vector& direction2
63 );
64 
65 tensor eigenVectors(const tensor& T, const vector& lambdas);
66 tensor eigenVectors(const symmTensor& T, const vector& lambdas);
67 
68 tensor eigenVectors(const tensor& T);
70 
71 //- Data associated with tensor type are contiguous
72 template<>
73 inline bool contiguous<tensor>() {return true;}
74 
75 
76 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
77 
78 } // End namespace Foam
79 
80 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
81 
82 #endif
83 
84 // ************************************************************************* //
Template function to specify if the data of a type are contiguous.
dimensionedScalar lambda(viscosity->lookup("lambda"))
Namespace for OpenFOAM.
Tensor< scalar > tensor
Tensor of scalars.
Definition: tensor.H:51
vector eigenVector(const TensorType &T, const scalar lambda, const vector &direction1, const vector &direction2)
void eigenValues(LagrangianPatchField< vector > &f, const LagrangianPatchField< tensor > &f1)
bool contiguous< tensor >()
Data associated with tensor type are contiguous.
Definition: tensor.H:73
void T(LagrangianPatchField< Type > &f, const LagrangianPatchField< Type > &f1)
void eigenVectors(LagrangianPatchField< tensor > &f, const LagrangianPatchField< tensor > &f1)