src/fvMotionSolver/fvMotionSolvers/displacement/SBRStress/displacementSBRStressFvMotionSolver.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
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  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 "displacementSBRStressFvMotionSolver.H"
  28 #include "motionDiffusivity.H"
  29 #include "fvmLaplacian.H"
  30 #include "addToRunTimeSelectionTable.H"
  31 #include "fvcDiv.H"
  32 #include "fvcGrad.H"
  33 #include "surfaceInterpolate.H"
  34 #include "fvcLaplacian.H"
  35 #include "mapPolyMesh.H"
  36 #include "volPointInterpolation.H"
  37
  38 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
  39
  40 namespace Foam
  41 {
  42     defineTypeNameAndDebug(displacementSBRStressFvMotionSolver, 0);
  43
  44     addToRunTimeSelectionTable
  45     (
  46         fvMotionSolver,
  47         displacementSBRStressFvMotionSolver,
  48         dictionary
  49     );
  50 }
  51
  52
  53 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  54
  55 Foam::displacementSBRStressFvMotionSolver::displacementSBRStressFvMotionSolver
  56 (
  57     const polyMesh& mesh,
  58     Istream& is
  59 )
  60 :
  61     displacementFvMotionSolver(mesh, is),
  62     pointDisplacement_
  63     (
  64         IOobject
  65         (
  66             "pointDisplacement",
  67             fvMesh_.time().timeName(),
  68             fvMesh_,
  69             IOobject::MUST_READ,
  70             IOobject::AUTO_WRITE
  71         ),
  72         pointMesh::New(fvMesh_)
  73     ),
  74     cellDisplacement_
  75     (
  76         IOobject
  77         (
  78             "cellDisplacement",
  79             mesh.time().timeName(),
  80             mesh,
  81             IOobject::READ_IF_PRESENT,
  82             IOobject::AUTO_WRITE
  83         ),
  84         fvMesh_,
  85         dimensionedVector
  86         (
  87             "cellDisplacement",
  88             pointDisplacement_.dimensions(),
  89             vector::zero
  90         ),
  91         cellMotionBoundaryTypes<vector>(pointDisplacement_.boundaryField())
  92     ),
  93     diffusivityPtr_
  94     (
  95         motionDiffusivity::New(*this, lookup("diffusivity"))
  96     )
  97 {}
  98
  99
 100 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 101
 102 Foam::displacementSBRStressFvMotionSolver::
 103 ~displacementSBRStressFvMotionSolver()
 104 {}
 105
 106
 107 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 108
 109 Foam::tmp<Foam::pointField>
 110 Foam::displacementSBRStressFvMotionSolver::curPoints() const
 111 {
 112     volPointInterpolation::New(fvMesh_).interpolate
 113     (
 114         cellDisplacement_,
 115         pointDisplacement_
 116     );
 117
 118     tmp<pointField> tcurPoints
 119     (
 120         points0() + pointDisplacement_.internalField()
 121     );
 122
 123     twoDCorrectPoints(tcurPoints());
 124
 125     return tcurPoints;
 126 }
 127
 128
 129 void Foam::displacementSBRStressFvMotionSolver::solve()
 130 {
 131     // The points have moved so before interpolation update
 132     // the fvMotionSolver accordingly
 133     movePoints(fvMesh_.points());
 134
 135     diffusivityPtr_->correct();
 136     pointDisplacement_.boundaryField().updateCoeffs();
 137
 138     surfaceScalarField Df = diffusivityPtr_->operator()();
 139
 140     volTensorField gradCd = fvc::grad(cellDisplacement_);
 141
 142     Foam::solve
 143     (
 144         fvm::laplacian
 145         (
 146             2*Df,
 147             cellDisplacement_,
 148             "laplacian(diffusivity,cellDisplacement)"
 149         )
 150
 151       + fvc::div
 152         (
 153             Df
 154            *(
 155                (
 156                    cellDisplacement_.mesh().Sf()
 157                  & fvc::interpolate(gradCd.T() - gradCd)
 158                )
 159
 160                // Solid-body rotation "lambda" term
 161              - cellDisplacement_.mesh().Sf()*fvc::interpolate(tr(gradCd))
 162             )
 163         )
 164
 165         /*
 166       - fvc::laplacian
 167         (
 168             2*Df,
 169             cellDisplacement_,
 170             "laplacian(diffusivity,cellDisplacement)"
 171         )
 172
 173       + fvc::div
 174         (
 175             Df
 176            *(
 177                (
 178                    cellDisplacement_.mesh().Sf()
 179                  & fvc::interpolate(gradCd + gradCd.T())
 180                )
 181
 182                // Solid-body rotation "lambda" term
 183              - cellDisplacement_.mesh().Sf()*fvc::interpolate(tr(gradCd))
 184            )
 185         )
 186         */
 187     );
 188 }
 189
 190
 191 void Foam::displacementSBRStressFvMotionSolver::updateMesh
 192 (
 193     const mapPolyMesh& mpm
 194 )
 195 {
 196     displacementFvMotionSolver::updateMesh(mpm);
 197
 198     // Update diffusivity. Note two stage to make sure old one is de-registered
 199     // before creating/registering new one.
 200     diffusivityPtr_.reset(NULL);
 201     diffusivityPtr_ = motionDiffusivity::New(*this, lookup("diffusivity"));
 202 }
 203
 204
 205 // ************************************************************************* //