applications/utilities/postProcessing/stressField/stressComponents/stressComponents.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 Application
  25     stressComponents
  26
  27 Description
  28     Calculates and writes the scalar fields of the six components of the stress
  29     tensor sigma for each time.
  30
  31 \*---------------------------------------------------------------------------*/
  32
  33 #include "fvCFD.H"
  34 #include "incompressible/singlePhaseTransportModel/singlePhaseTransportModel.H"
  35 #include "zeroGradientFvPatchFields.H"
  36
  37 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  38
  39 int main(int argc, char *argv[])
  40 {
  41     timeSelector::addOptions();
  42
  43 #   include "setRootCase.H"
  44 #   include "createTime.H"
  45
  46     instantList timeDirs = timeSelector::select0(runTime, args);
  47
  48 #   include "createMesh.H"
  49
  50     forAll(timeDirs, timeI)
  51     {
  52         runTime.setTime(timeDirs[timeI], timeI);
  53
  54         Info<< "Time = " << runTime.timeName() << endl;
  55
  56         IOobject Uheader
  57         (
  58             "U",
  59             runTime.timeName(),
  60             mesh,
  61             IOobject::MUST_READ
  62         );
  63
  64         // Check U exists
  65         if (Uheader.headerOk())
  66         {
  67             mesh.readUpdate();
  68
  69             Info<< "    Reading U" << endl;
  70             volVectorField U(Uheader, mesh);
  71
  72 #           include "createPhi.H"
  73
  74             singlePhaseTransportModel laminarTransport(U, phi);
  75
  76             volSymmTensorField sigma
  77             (
  78                 IOobject
  79                 (
  80                     "sigma",
  81                     runTime.timeName(),
  82                     mesh,
  83                     IOobject::NO_READ,
  84                     IOobject::AUTO_WRITE
  85                 ),
  86                 laminarTransport.nu()*2*dev(symm(fvc::grad(U)))
  87             );
  88
  89
  90             volScalarField sigmaxx
  91             (
  92                 IOobject
  93                 (
  94                     "sigmaxx",
  95                     runTime.timeName(),
  96                     mesh,
  97                     IOobject::NO_READ
  98                 ),
  99                 sigma.component(symmTensor::XX)
 100             );
 101             sigmaxx.write();
 102
 103             volScalarField sigmayy
 104             (
 105                 IOobject
 106                 (
 107                     "sigmayy",
 108                     runTime.timeName(),
 109                     mesh,
 110                     IOobject::NO_READ
 111                 ),
 112                 sigma.component(symmTensor::YY)
 113             );
 114             sigmayy.write();
 115
 116             volScalarField sigmazz
 117             (
 118                 IOobject
 119                 (
 120                     "sigmazz",
 121                     runTime.timeName(),
 122                     mesh,
 123                     IOobject::NO_READ
 124                 ),
 125                 sigma.component(symmTensor::ZZ)
 126             );
 127             sigmazz.write();
 128
 129             volScalarField sigmaxy
 130             (
 131                 IOobject
 132                 (
 133                     "sigmaxy",
 134                     runTime.timeName(),
 135                     mesh,
 136                     IOobject::NO_READ
 137                 ),
 138                 sigma.component(symmTensor::XY)
 139             );
 140             sigmaxy.write();
 141
 142             volScalarField sigmaxz
 143             (
 144                 IOobject
 145                 (
 146                     "sigmaxz",
 147                     runTime.timeName(),
 148                     mesh,
 149                     IOobject::NO_READ
 150                 ),
 151                 sigma.component(symmTensor::XZ)
 152             );
 153             sigmaxz.write();
 154
 155             volScalarField sigmayz
 156             (
 157                 IOobject
 158                 (
 159                     "sigmayz",
 160                     runTime.timeName(),
 161                     mesh,
 162                     IOobject::NO_READ
 163                 ),
 164                 sigma.component(symmTensor::YZ)
 165             );
 166             sigmayz.write();
 167
 168             volVectorField Ub
 169             (
 170                 IOobject
 171                 (
 172                     "Ub",
 173                     runTime.timeName(),
 174                     mesh,
 175                     IOobject::NO_READ
 176                 ),
 177                 U,
 178                 zeroGradientFvPatchVectorField::typeName
 179             );
 180             Ub.correctBoundaryConditions();
 181             Ub.write();
 182
 183             volScalarField sigmaUn
 184             (
 185                 IOobject
 186                 (
 187                     "sigmaUn",
 188                     runTime.timeName(),
 189                     mesh,
 190                     IOobject::NO_READ
 191                 ),
 192                 0.0*sigma.component(symmTensor::YZ)
 193             );
 194
 195             forAll(sigmaUn.boundaryField(), patchI)
 196             {
 197                 sigmaUn.boundaryField()[patchI] =
 198                 (
 199                     mesh.boundary()[patchI].nf()
 200                   & sigma.boundaryField()[patchI]
 201                 )().component(vector::X);
 202             }
 203
 204             sigmaUn.write();
 205         }
 206         else
 207         {
 208             Info<< "    No U" << endl;
 209         }
 210
 211         Info<< endl;
 212     }
 213
 214     Info<< "End" << endl;
 215
 216     return 0;
 217 }
 218
 219
 220 // ************************************************************************* //