src/postProcessing/foamCalcFunctions/field/randomise/writeRandomField.C

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   8 License
   9     This file is part of OpenFOAM.
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  14     option) any later version.
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  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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  19     for more details.
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  24
  25 \*---------------------------------------------------------------------------*/
  26
  27 template <class Type>
  28 void Foam::calcTypes::randomise::writeRandomField
  29 (
  30     const IOobject& header,
  31     const scalar pertMag,
  32     Random& rand,
  33     const fvMesh& mesh,
  34     bool& processed
  35 )
  36 {
  37     typedef GeometricField<Type, fvPatchField, volMesh> fieldType;
  38
  39     if (header.headerClassName() == fieldType::typeName)
  40     {
  41         Info<< "    Reading " << header.name() << endl;
  42         fieldType field(header, mesh);
  43
  44         forAll(field, cellI)
  45         {
  46             Type rndPert;
  47             rand.randomise(rndPert);
  48             rndPert = 2.0*rndPert - pTraits<Type>::one;
  49             rndPert /= mag(rndPert);
  50             field[cellI] += pertMag*rndPert;
  51         }
  52
  53         fieldType randomisedField
  54         (
  55             IOobject
  56             (
  57                 header.name() + "Random",
  58                 mesh.time().timeName(),
  59                 mesh,
  60                 IOobject::NO_READ
  61             ),
  62             field
  63         );
  64
  65         Info<< "    Writing " << header.name() << "Random" << endl;
  66         randomisedField.write();
  67
  68         processed = true;
  69     }
  70 }
  71
  72
  73 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //