Forward compatibility: flex
[foam-extend-3.2.git] / src / postProcessing / foamCalcFunctions / field / randomise / writeRandomField.C
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1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | foam-extend: Open Source CFD
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24 \*---------------------------------------------------------------------------*/
26 template <class Type>
27 void Foam::calcTypes::randomise::writeRandomField
29     const IOobject& header,
30     const scalar pertMag,
31     Random& rand,
32     const fvMesh& mesh,
33     bool& processed
36     typedef GeometricField<Type, fvPatchField, volMesh> fieldType;
38     if (header.headerClassName() == fieldType::typeName)
39     {
40         Info<< "    Reading " << header.name() << endl;
41         fieldType field(header, mesh);
43         forAll(field, cellI)
44         {
45             Type rndPert;
46             rand.randomise(rndPert);
47             rndPert = 2.0*rndPert - pTraits<Type>::one;
48             rndPert /= mag(rndPert);
49             field[cellI] += pertMag*rndPert;
50         }
52         fieldType randomisedField
53         (
54             IOobject
55             (
56                 header.name() + "Random",
57                 mesh.time().timeName(),
58                 mesh,
59                 IOobject::NO_READ
60             ),
61             field
62         );
64         Info<< "    Writing " << header.name() << "Random" << endl;
65         randomisedField.write();
67         processed = true;
68     }
72 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //