applications/utilities/postProcessing/velocityField/Co/Co.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 1991-2008 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 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 Application
  26     Co
  27
  28 Description
  29     Calculates and writes the Co number as a surfaceScalarField obtained
  30     from field phi.
  31     The -noWrite option just outputs the max values without writing the
  32     field.
  33
  34 \*---------------------------------------------------------------------------*/
  35
  36 #include "calc.H"
  37 #include "fvc.H"
  38
  39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  40
  41 void Foam::calc(const argList& args, const Time& runTime, const fvMesh& mesh)
  42 {
  43     bool writeResults = !args.options().found("noWrite");
  44
  45     IOobject phiHeader
  46     (
  47         "phi",
  48         runTime.timeName(),
  49         mesh,
  50         IOobject::MUST_READ
  51     );
  52
  53     if (phiHeader.headerOk())
  54     {
  55         autoPtr<surfaceScalarField> CoPtr;
  56
  57         Info<< "    Reading phi" << endl;
  58         surfaceScalarField phi(phiHeader, mesh);
  59         Info<< "    Calculating Co" << endl;
  60
  61         if (phi.dimensions() == dimensionSet(1, 0, -1, 0, 0))
  62         {
  63             // compressible
  64             volScalarField rho
  65             (
  66                 IOobject
  67                 (
  68                     "rho",
  69                     runTime.timeName(),
  70                     mesh,
  71                     IOobject::MUST_READ
  72                 ),
  73                 mesh
  74             );
  75
  76             CoPtr.set
  77             (
  78                 new surfaceScalarField
  79                 (
  80                     IOobject
  81                     (
  82                         "Co",
  83                         runTime.timeName(),
  84                         mesh,
  85                         IOobject::NO_READ
  86                     ),
  87                     (
  88                         mesh.surfaceInterpolation::deltaCoeffs()
  89                       * (mag(phi)/(fvc::interpolate(rho)*mesh.magSf()))
  90                       * runTime.deltaT()
  91                     )
  92                 )
  93             );
  94         }
  95         else if (phi.dimensions() == dimensionSet(0, 3, -1, 0, 0))
  96         {
  97             // incompressible
  98             CoPtr.set
  99             (
 100                 new surfaceScalarField
 101                 (
 102                     IOobject
 103                     (
 104                         "Co",
 105                         runTime.timeName(),
 106                         mesh,
 107                         IOobject::NO_READ
 108                     ),
 109                     (
 110                         mesh.surfaceInterpolation::deltaCoeffs()
 111                       * (mag(phi)/mesh.magSf())
 112                       * runTime.deltaT()
 113                     )
 114                 )
 115             );
 116         }
 117         else
 118         {
 119             FatalErrorIn(args.executable())
 120                 << "Incorrect dimensions of phi: " << phi.dimensions()
 121                     << abort(FatalError);
 122         }
 123
 124         Info<< "Co max : " << max(CoPtr()).value() << endl;
 125
 126         if (writeResults)
 127         {
 128             CoPtr().write();
 129         }
 130     }
 131     else
 132     {
 133         Info<< "    No phi" << endl;
 134     }
 135 }
 136
 137 // ************************************************************************* //