src/postProcessing/functionObjects/forces/pointPatchFields/derived/uncoupledSixDoFRigidBodyDisplacement/uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
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   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
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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
  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 "uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField.H"
  27 #include "pointPatchFields.H"
  28 #include "addToRunTimeSelectionTable.H"
  29 #include "Time.H"
  30 #include "fvMesh.H"
  31 #include "volFields.H"
  32 #include "uniformDimensionedFields.H"
  33
  34 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  35
  36 namespace Foam
  37 {
  38
  39 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  40
  41 uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField::
  42 uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField
  43 (
  44     const pointPatch& p,
  45     const DimensionedField<vector, pointMesh>& iF
  46 )
  47 :
  48     fixedValuePointPatchField<vector>(p, iF),
  49     motion_(),
  50     initialPoints_(p.localPoints())
  51 {}
  52
  53
  54 uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField::
  55 uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField
  56 (
  57     const pointPatch& p,
  58     const DimensionedField<vector, pointMesh>& iF,
  59     const dictionary& dict
  60 )
  61 :
  62     fixedValuePointPatchField<vector>(p, iF, dict),
  63     motion_(dict)
  64 {
  65     if (!dict.found("value"))
  66     {
  67         updateCoeffs();
  68     }
  69
  70     if (dict.found("initialPoints"))
  71     {
  72         initialPoints_ = vectorField("initialPoints", dict , p.size());
  73     }
  74     else
  75     {
  76         initialPoints_ = p.localPoints();
  77     }
  78 }
  79
  80
  81 uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField::
  82 uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField
  83 (
  84     const uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField& ptf,
  85     const pointPatch& p,
  86     const DimensionedField<vector, pointMesh>& iF,
  87     const pointPatchFieldMapper& mapper
  88 )
  89 :
  90     fixedValuePointPatchField<vector>(ptf, p, iF, mapper),
  91     motion_(ptf.motion_),
  92     initialPoints_(ptf.initialPoints_, mapper)
  93 {}
  94
  95
  96 uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField::
  97 uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField
  98 (
  99     const uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField& ptf,
 100     const DimensionedField<vector, pointMesh>& iF
 101 )
 102 :
 103     fixedValuePointPatchField<vector>(ptf, iF),
 104     motion_(ptf.motion_),
 105     initialPoints_(ptf.initialPoints_)
 106 {}
 107
 108
 109 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 110
 111 void uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField::autoMap
 112 (
 113     const pointPatchFieldMapper& m
 114 )
 115 {
 116     fixedValuePointPatchField<vector>::autoMap(m);
 117
 118     initialPoints_.autoMap(m);
 119 }
 120
 121
 122 void uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField::rmap
 123 (
 124     const pointPatchField<vector>& ptf,
 125     const labelList& addr
 126 )
 127 {
 128     const uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField& uSDoFptf =
 129     refCast
 130     <
 131         const uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField
 132     >(ptf);
 133
 134     fixedValuePointPatchField<vector>::rmap(uSDoFptf, addr);
 135
 136     initialPoints_.rmap(uSDoFptf.initialPoints_, addr);
 137 }
 138
 139
 140 void uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField::updateCoeffs()
 141 {
 142     if (this->updated())
 143     {
 144         return;
 145     }
 146
 147     const polyMesh& mesh = this->dimensionedInternalField().mesh()();
 148     const Time& t = mesh.time();
 149
 150     motion_.updatePosition(t.deltaTValue(), t.deltaT0Value());
 151
 152     vector gravity = vector::zero;
 153
 154     if (db().foundObject<uniformDimensionedVectorField>("g"))
 155     {
 156         uniformDimensionedVectorField g =
 157         db().lookupObject<uniformDimensionedVectorField>("g");
 158
 159         gravity = g.value();
 160     }
 161
 162     // Do not modify the accelerations, except with gravity, where available
 163     motion_.updateForce(gravity*motion_.mass(), vector::zero, t.deltaTValue());
 164
 165     Field<vector>::operator=
 166     (
 167         motion_.currentPosition(initialPoints_) - initialPoints_
 168     );
 169
 170     fixedValuePointPatchField<vector>::updateCoeffs();
 171 }
 172
 173
 174 void uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField::write
 175 (
 176     Ostream& os
 177 ) const
 178 {
 179     pointPatchField<vector>::write(os);
 180     motion_.write(os);
 181     initialPoints_.writeEntry("initialPoints", os);
 182     writeEntry("value", os);
 183 }
 184
 185
 186 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 187
 188 makePointPatchTypeField
 189 (
 190     pointPatchVectorField,
 191     uncoupledSixDoFRigidBodyDisplacementPointPatchVectorField
 192 );
 193
 194 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 195
 196 } // End namespace Foam
 197
 198 // ************************************************************************* //