Merge branch 'master' of ssh://git.code.sf.net/p/foam-extend/foam-extend-3.2
[foam-extend-3.2.git] / src / finiteVolume / fields / fvPatchFields / derived / fan / fanFvPatchFields.C
blob0c4c614d2250702ddd72e3f2b354b1c35ffd15bf
1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | foam-extend: Open Source CFD
4    \\    /   O peration     | Version:     3.2
5     \\  /    A nd           | Web:         http://www.foam-extend.org
6      \\/     M anipulation  | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
8 License
9     This file is part of foam-extend.
11     foam-extend 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 3 of the License, or (at your
14     option) any later version.
16     foam-extend is distributed in the hope that it will be useful, but
17     WITHOUT ANY WARRANTY; without even the implied warranty of
18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19     General Public License for more details.
21     You should have received a copy of the GNU General Public License
22     along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "fanFvPatchFields.H"
27 #include "addToRunTimeSelectionTable.H"
28 #include "volFields.H"
29 #include "surfaceFields.H"
31 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
33 namespace Foam
35     makeTemplatePatchTypeField(fvPatchScalarField, fanFvPatchScalarField);
38 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
40 //- Specialisation of the jump-condition for the pressure
41 template<>
42 void Foam::fanFvPatchField<Foam::scalar>::updateCoeffs()
44     if (updated())
45     {
46         return;
47     }
49     jump_ = f_[0];
51     if (f_.size() > 1)
52     {
53         const surfaceScalarField& phi =
54             db().lookupObject<surfaceScalarField>("phi");
56         const fvsPatchField<scalar>& phip =
57             patch().patchField<surfaceScalarField, scalar>(phi);
59         scalarField Un = max
60         (
61             scalarField::subField(phip, size()/2)
62            /scalarField::subField(patch().magSf(), size()/2),
63             scalar(0)
64         );
66         if (phi.dimensions() == dimDensity*dimVelocity*dimArea)
67         {
68             Un /=
69                 scalarField::subField
70                 (
71                     lookupPatchField<volScalarField, scalar>("rho"),
72                     size()/2
73                 );
74         }
76         for (label i = 1; i < f_.size(); i++)
77         {
78             jump_ += f_[i]*pow(Un, i);
79         }
81         jump_ = max(jump_, scalar(0));
82     }
84     jumpCyclicFvPatchField<scalar>::updateCoeffs();
88 // ************************************************************************* //