1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2008 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
25 \*---------------------------------------------------------------------------*/
27 #include "dynamicGammaContactAngleFvPatchScalarField.H"
28 #include "addToRunTimeSelectionTable.H"
29 #include "fvPatchFieldMapper.H"
32 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
34 Foam::dynamicGammaContactAngleFvPatchScalarField::
35 dynamicGammaContactAngleFvPatchScalarField
38 const DimensionedField<scalar, volMesh>& iF
41 gammaContactAngleFvPatchScalarField(p, iF),
49 Foam::dynamicGammaContactAngleFvPatchScalarField::
50 dynamicGammaContactAngleFvPatchScalarField
52 const dynamicGammaContactAngleFvPatchScalarField& gcpsf,
54 const DimensionedField<scalar, volMesh>& iF,
55 const fvPatchFieldMapper& mapper
58 gammaContactAngleFvPatchScalarField(gcpsf, p, iF, mapper),
59 theta0_(gcpsf.theta0_),
60 uTheta_(gcpsf.uTheta_),
61 thetaA_(gcpsf.thetaA_),
62 thetaR_(gcpsf.thetaR_)
66 Foam::dynamicGammaContactAngleFvPatchScalarField::
67 dynamicGammaContactAngleFvPatchScalarField
70 const DimensionedField<scalar, volMesh>& iF,
71 const dictionary& dict
74 gammaContactAngleFvPatchScalarField(p, iF),
75 theta0_(readScalar(dict.lookup("theta0"))),
76 uTheta_(readScalar(dict.lookup("uTheta"))),
77 thetaA_(readScalar(dict.lookup("thetaA"))),
78 thetaR_(readScalar(dict.lookup("thetaR")))
84 Foam::dynamicGammaContactAngleFvPatchScalarField::
85 dynamicGammaContactAngleFvPatchScalarField
87 const dynamicGammaContactAngleFvPatchScalarField& gcpsf
90 gammaContactAngleFvPatchScalarField(gcpsf),
91 theta0_(gcpsf.theta0_),
92 uTheta_(gcpsf.uTheta_),
93 thetaA_(gcpsf.thetaA_),
94 thetaR_(gcpsf.thetaR_)
98 Foam::dynamicGammaContactAngleFvPatchScalarField::
99 dynamicGammaContactAngleFvPatchScalarField
101 const dynamicGammaContactAngleFvPatchScalarField& gcpsf,
102 const DimensionedField<scalar, volMesh>& iF
105 gammaContactAngleFvPatchScalarField(gcpsf, iF),
106 theta0_(gcpsf.theta0_),
107 uTheta_(gcpsf.uTheta_),
108 thetaA_(gcpsf.thetaA_),
109 thetaR_(gcpsf.thetaR_)
113 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
115 Foam::tmp<Foam::scalarField>
116 Foam::dynamicGammaContactAngleFvPatchScalarField::theta
118 const fvPatchVectorField& Up,
119 const fvsPatchVectorField& nHat
124 return tmp<scalarField>(new scalarField(size(), theta0_));
127 vectorField nf = patch().nf();
129 // Calculated the component of the velocity parallel to the wall
130 vectorField Uwall = Up.patchInternalField() - Up;
131 Uwall -= (nf & Uwall)*nf;
133 // Find the direction of the interface parallel to the wall
134 vectorField nWall = nHat - (nf & nHat)*nf;
137 nWall /= (mag(nWall) + SMALL);
139 // Calculate Uwall resolved normal to the interface parallel to
141 scalarField uwall = nWall & Uwall;
143 return theta0_ + (thetaA_ - thetaR_)*tanh(uwall/uTheta_);
147 void Foam::dynamicGammaContactAngleFvPatchScalarField::write(Ostream& os) const
149 fvPatchScalarField::write(os);
150 os.writeKeyword("theta0") << theta0_ << token::END_STATEMENT << nl;
151 os.writeKeyword("uTheta") << uTheta_ << token::END_STATEMENT << nl;
152 os.writeKeyword("thetaA") << thetaA_ << token::END_STATEMENT << nl;
153 os.writeKeyword("thetaR") << thetaR_ << token::END_STATEMENT << nl;
154 writeEntry("value", os);
158 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
165 dynamicGammaContactAngleFvPatchScalarField
170 // ************************************************************************* //