src/fvMotionSolver/pointPatchFields/derived/angularOscillatingVelocity/angularOscillatingVelocityPointPatchVectorField.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2004-2010 OpenCFD Ltd.
   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 \*---------------------------------------------------------------------------*/
  25
  26 #include "angularOscillatingVelocityPointPatchVectorField.H"
  27 #include "pointPatchFields.H"
  28 #include "addToRunTimeSelectionTable.H"
  29 #include "Time.H"
  30 #include "polyMesh.H"
  31
  32 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  33
  34 namespace Foam
  35 {
  36
  37 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  38
  39 angularOscillatingVelocityPointPatchVectorField::
  40 angularOscillatingVelocityPointPatchVectorField
  41 (
  42     const pointPatch& p,
  43     const DimensionedField<vector, pointMesh>& iF
  44 )
  45 :
  46     fixedValuePointPatchField<vector>(p, iF),
  47     axis_(vector::zero),
  48     origin_(vector::zero),
  49     angle0_(0.0),
  50     amplitude_(0.0),
  51     omega_(0.0),
  52     p0_(p.localPoints())
  53 {}
  54
  55
  56 angularOscillatingVelocityPointPatchVectorField::
  57 angularOscillatingVelocityPointPatchVectorField
  58 (
  59     const pointPatch& p,
  60     const DimensionedField<vector, pointMesh>& iF,
  61     const dictionary& dict
  62 )
  63 :
  64     fixedValuePointPatchField<vector>(p, iF, dict),
  65     axis_(dict.lookup("axis")),
  66     origin_(dict.lookup("origin")),
  67     angle0_(readScalar(dict.lookup("angle0"))),
  68     amplitude_(readScalar(dict.lookup("amplitude"))),
  69     omega_(readScalar(dict.lookup("omega")))
  70 {
  71     if (!dict.found("value"))
  72     {
  73         updateCoeffs();
  74     }
  75
  76     if (dict.found("p0"))
  77     {
  78         p0_ = vectorField("p0", dict , p.size());
  79     }
  80     else
  81     {
  82         p0_ = p.localPoints();
  83     }
  84 }
  85
  86
  87 angularOscillatingVelocityPointPatchVectorField::
  88 angularOscillatingVelocityPointPatchVectorField
  89 (
  90     const angularOscillatingVelocityPointPatchVectorField& ptf,
  91     const pointPatch& p,
  92     const DimensionedField<vector, pointMesh>& iF,
  93     const pointPatchFieldMapper& mapper
  94 )
  95 :
  96     fixedValuePointPatchField<vector>(ptf, p, iF, mapper),
  97     axis_(ptf.axis_),
  98     origin_(ptf.origin_),
  99     angle0_(ptf.angle0_),
 100     amplitude_(ptf.amplitude_),
 101     omega_(ptf.omega_),
 102     p0_(ptf.p0_)
 103 {}
 104
 105
 106 angularOscillatingVelocityPointPatchVectorField::
 107 angularOscillatingVelocityPointPatchVectorField
 108 (
 109     const angularOscillatingVelocityPointPatchVectorField& ptf,
 110     const DimensionedField<vector, pointMesh>& iF
 111 )
 112 :
 113     fixedValuePointPatchField<vector>(ptf, iF),
 114     axis_(ptf.axis_),
 115     origin_(ptf.origin_),
 116     angle0_(ptf.angle0_),
 117     amplitude_(ptf.amplitude_),
 118     omega_(ptf.omega_),
 119     p0_(ptf.p0_)
 120 {}
 121
 122
 123 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 124
 125 void angularOscillatingVelocityPointPatchVectorField::autoMap
 126 (
 127     const pointPatchFieldMapper& m
 128 )
 129 {
 130     fixedValuePointPatchField<vector>::autoMap(m);
 131
 132     p0_.autoMap(m);
 133 }
 134
 135
 136 void angularOscillatingVelocityPointPatchVectorField::rmap
 137 (
 138     const pointPatchField<vector>& ptf,
 139     const labelList& addr
 140 )
 141 {
 142     const angularOscillatingVelocityPointPatchVectorField& aOVptf =
 143         refCast<const angularOscillatingVelocityPointPatchVectorField>(ptf);
 144
 145     fixedValuePointPatchField<vector>::rmap(aOVptf, addr);
 146
 147     p0_.rmap(aOVptf.p0_, addr);
 148 }
 149
 150
 151 void angularOscillatingVelocityPointPatchVectorField::updateCoeffs()
 152 {
 153     if (this->updated())
 154     {
 155         return;
 156     }
 157
 158     const polyMesh& mesh = this->dimensionedInternalField().mesh()();
 159     const Time& t = mesh.time();
 160     const pointPatch& p = this->patch();
 161
 162     scalar angle = angle0_ + amplitude_*sin(omega_*t.value());
 163     vector axisHat = axis_/mag(axis_);
 164     vectorField p0Rel(p0_ - origin_);
 165
 166     vectorField::operator=
 167     (
 168         (
 169             p0_
 170           + p0Rel*(cos(angle) - 1)
 171           + (axisHat ^ p0Rel*sin(angle))
 172           + (axisHat & p0Rel)*(1 - cos(angle))*axisHat
 173           - p.localPoints()
 174         )/t.deltaTValue()
 175     );
 176
 177     fixedValuePointPatchField<vector>::updateCoeffs();
 178 }
 179
 180
 181 void angularOscillatingVelocityPointPatchVectorField::write
 182 (
 183     Ostream& os
 184 ) const
 185 {
 186     pointPatchField<vector>::write(os);
 187     os.writeKeyword("axis")
 188         << axis_ << token::END_STATEMENT << nl;
 189     os.writeKeyword("origin")
 190         << origin_ << token::END_STATEMENT << nl;
 191     os.writeKeyword("angle0")
 192         << angle0_ << token::END_STATEMENT << nl;
 193     os.writeKeyword("amplitude")
 194         << amplitude_ << token::END_STATEMENT << nl;
 195     os.writeKeyword("omega")
 196         << omega_ << token::END_STATEMENT << nl;
 197     p0_.writeEntry("p0", os);
 198     writeEntry("value", os);
 199 }
 200
 201
 202 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 203
 204 makePointPatchTypeField
 205 (
 206     pointPatchVectorField,
 207     angularOscillatingVelocityPointPatchVectorField
 208 );
 209
 210 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 211
 212 } // End namespace Foam
 213
 214 // ************************************************************************* //