src/dynamicMesh/meshMotion/fvMotionSolver/pointPatchFields/derived/oscillatingVelocity/oscillatingVelocityPointPatchVectorField.C

   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.
  10
  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.
  15
  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.
  20
  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/>.
  23
  24 \*---------------------------------------------------------------------------*/
  25
  26 #include "oscillatingVelocityPointPatchVectorField.H"
  27 #include "pointPatchFields.H"
  28 #include "addToRunTimeSelectionTable.H"
  29 #include "foamTime.H"
  30 #include "polyMesh.H"
  31
  32 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  33
  34 namespace Foam
  35 {
  36
  37 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  38
  39 oscillatingVelocityPointPatchVectorField::
  40 oscillatingVelocityPointPatchVectorField
  41 (
  42     const pointPatch& p,
  43     const DimensionedField<vector, pointMesh>& iF
  44 )
  45 :
  46     fixedValuePointPatchVectorField(p, iF),
  47     amplitude_(vector::zero),
  48     omega_(0.0),
  49     p0_(p.localPoints())
  50 {}
  51
  52
  53 oscillatingVelocityPointPatchVectorField::
  54 oscillatingVelocityPointPatchVectorField
  55 (
  56     const pointPatch& p,
  57     const DimensionedField<vector, pointMesh>& iF,
  58     const dictionary& dict
  59 )
  60 :
  61     fixedValuePointPatchVectorField(p, iF, dict),
  62     amplitude_(dict.lookup("amplitude")),
  63     omega_(readScalar(dict.lookup("omega")))
  64 {
  65     if (!dict.found("value"))
  66     {
  67         updateCoeffs();
  68     }
  69
  70     if (dict.found("p0"))
  71     {
  72         p0_ = vectorField("p0", dict , p.size());
  73     }
  74     else
  75     {
  76         p0_ = p.localPoints();
  77     }
  78 }
  79
  80
  81 oscillatingVelocityPointPatchVectorField::
  82 oscillatingVelocityPointPatchVectorField
  83 (
  84     const oscillatingVelocityPointPatchVectorField& ptf,
  85     const pointPatch& p,
  86     const DimensionedField<vector, pointMesh>& iF,
  87     const PointPatchFieldMapper& mapper
  88 )
  89 :
  90     fixedValuePointPatchVectorField(ptf, p, iF, mapper),
  91     amplitude_(ptf.amplitude_),
  92     omega_(ptf.omega_),
  93     p0_(ptf.p0_)
  94 {}
  95
  96
  97 oscillatingVelocityPointPatchVectorField::
  98 oscillatingVelocityPointPatchVectorField
  99 (
 100     const oscillatingVelocityPointPatchVectorField& ptf,
 101     const DimensionedField<vector, pointMesh>& iF
 102 )
 103 :
 104     fixedValuePointPatchVectorField(ptf, iF),
 105     amplitude_(ptf.amplitude_),
 106     omega_(ptf.omega_),
 107     p0_(ptf.p0_)
 108 {}
 109
 110
 111 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 112
 113 void oscillatingVelocityPointPatchVectorField::updateCoeffs()
 114 {
 115     if (this->updated())
 116     {
 117         return;
 118     }
 119
 120     const polyMesh& mesh = this->dimensionedInternalField().mesh()();
 121     const Time& t = mesh.time();
 122     const pointPatch& p = this->patch();
 123
 124     Field<vector>::operator=
 125     (
 126         (p0_ + amplitude_*sin(omega_*t.value()) - p.localPoints())
 127        /t.deltaT().value()
 128     );
 129
 130     fixedValuePointPatchVectorField::updateCoeffs();
 131 }
 132
 133
 134 void oscillatingVelocityPointPatchVectorField::write(Ostream& os) const
 135 {
 136     pointPatchField<vector>::write(os);
 137     os.writeKeyword("amplitude")
 138         << amplitude_ << token::END_STATEMENT << nl;
 139     os.writeKeyword("omega")
 140         << omega_ << token::END_STATEMENT << nl;
 141     p0_.writeEntry("p0", os);
 142     writeEntry("value", os);
 143 }
 144
 145
 146 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 147
 148 makePointPatchTypeField
 149 (
 150     pointPatchVectorField,
 151     oscillatingVelocityPointPatchVectorField
 152 );
 153
 154 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 155
 156 } // End namespace Foam
 157
 158 // ************************************************************************* //