src/fvMotionSolver/pointPatchFields/derived/angularOscillatingDisplacement/angularOscillatingDisplacementPointPatchVectorField.C

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   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 the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     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, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 \*---------------------------------------------------------------------------*/
  26
  27 #include "angularOscillatingDisplacementPointPatchVectorField.H"
  28 #include "pointPatchFields.H"
  29 #include "addToRunTimeSelectionTable.H"
  30 #include "Time.H"
  31 #include "polyMesh.H"
  32
  33 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  34
  35 namespace Foam
  36 {
  37
  38 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  39
  40 angularOscillatingDisplacementPointPatchVectorField::
  41 angularOscillatingDisplacementPointPatchVectorField
  42 (
  43     const pointPatch& p,
  44     const DimensionedField<vector, pointMesh>& iF
  45 )
  46 :
  47     fixedValuePointPatchVectorField(p, iF),
  48     axis_(vector::zero),
  49     origin_(vector::zero),
  50     angle0_(0.0),
  51     amplitude_(0.0),
  52     omega_(0.0),
  53     p0_(p.localPoints())
  54 {}
  55
  56
  57 angularOscillatingDisplacementPointPatchVectorField::
  58 angularOscillatingDisplacementPointPatchVectorField
  59 (
  60     const pointPatch& p,
  61     const DimensionedField<vector, pointMesh>& iF,
  62     const dictionary& dict
  63 )
  64 :
  65     fixedValuePointPatchVectorField(p, iF, dict),
  66     axis_(dict.lookup("axis")),
  67     origin_(dict.lookup("origin")),
  68     angle0_(readScalar(dict.lookup("angle0"))),
  69     amplitude_(readScalar(dict.lookup("amplitude"))),
  70     omega_(readScalar(dict.lookup("omega")))
  71 {
  72     if (!dict.found("value"))
  73     {
  74         updateCoeffs();
  75     }
  76
  77     if (dict.found("p0"))
  78     {
  79         p0_ = vectorField("p0", dict , p.size());
  80     }
  81     else
  82     {
  83         p0_ = p.localPoints();
  84     }
  85 }
  86
  87
  88 angularOscillatingDisplacementPointPatchVectorField::
  89 angularOscillatingDisplacementPointPatchVectorField
  90 (
  91     const angularOscillatingDisplacementPointPatchVectorField& ptf,
  92     const pointPatch& p,
  93     const DimensionedField<vector, pointMesh>& iF,
  94     const PointPatchFieldMapper& mapper
  95 )
  96 :
  97     fixedValuePointPatchVectorField(ptf, p, iF, mapper),
  98     axis_(ptf.axis_),
  99     origin_(ptf.origin_),
 100     angle0_(ptf.angle0_),
 101     amplitude_(ptf.amplitude_),
 102     omega_(ptf.omega_),
 103     p0_(ptf.p0_)
 104 {}
 105
 106
 107 angularOscillatingDisplacementPointPatchVectorField::
 108 angularOscillatingDisplacementPointPatchVectorField
 109 (
 110     const angularOscillatingDisplacementPointPatchVectorField& ptf,
 111     const DimensionedField<vector, pointMesh>& iF
 112 )
 113 :
 114     fixedValuePointPatchVectorField(ptf, iF),
 115     axis_(ptf.axis_),
 116     origin_(ptf.origin_),
 117     angle0_(ptf.angle0_),
 118     amplitude_(ptf.amplitude_),
 119     omega_(ptf.omega_),
 120     p0_(ptf.p0_)
 121 {}
 122
 123
 124 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 125
 126 void angularOscillatingDisplacementPointPatchVectorField::updateCoeffs()
 127 {
 128     if (this->updated())
 129     {
 130         return;
 131     }
 132
 133     const polyMesh& mesh = this->dimensionedInternalField().mesh()();
 134     const Time& t = mesh.time();
 135
 136     scalar angle = angle0_ + amplitude_*sin(omega_*t.value());
 137     vector axisHat = axis_/mag(axis_);
 138     vectorField p0Rel = p0_ - origin_;
 139
 140     vectorField::operator=
 141     (
 142         p0Rel*(cos(angle) - 1)
 143       + (axisHat ^ p0Rel*sin(angle))
 144       + (axisHat & p0Rel)*(1 - cos(angle))*axisHat
 145     );
 146
 147     fixedValuePointPatchVectorField::updateCoeffs();
 148 }
 149
 150
 151 void angularOscillatingDisplacementPointPatchVectorField::write
 152 (
 153     Ostream& os
 154 ) const
 155 {
 156     pointPatchVectorField::write(os);
 157
 158     os.writeKeyword("axis")
 159         << axis_ << token::END_STATEMENT << nl;
 160     os.writeKeyword("origin")
 161         << origin_ << token::END_STATEMENT << nl;
 162     os.writeKeyword("angle0")
 163         << angle0_ << token::END_STATEMENT << nl;
 164     os.writeKeyword("amplitude")
 165         << amplitude_ << token::END_STATEMENT << nl;
 166     os.writeKeyword("omega")
 167         << omega_ << token::END_STATEMENT << nl;
 168     p0_.writeEntry("p0", os);
 169     writeEntry("value", os);
 170 }
 171
 172
 173 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 174
 175 makePointPatchTypeField
 176 (
 177     pointPatchVectorField,
 178     angularOscillatingDisplacementPointPatchVectorField
 179 );
 180
 181 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 182
 183 } // End namespace Foam
 184
 185 // ************************************************************************* //