randomiseTemplates.C

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License
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#include "volFields.H"
#include "randomGenerator.H"
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
bool Foam::functionObjects::randomise::calcRandomised()
{
    if (foundObject<VolField<Type>>(fieldName_))
    {
        const VolField<Type>& field = lookupObject<VolField<Type>>(fieldName_);
 
        tmp<VolField<Type>> rfieldt(new VolField<Type>(field));
        VolField<Type>& rfield = rfieldt.ref();
 
        randomGenerator rndGen(1234567);
 
        forAll(field, celli)
        {
            Type rndPert = rndGen.sample01<Type>();
            rndPert = 2.0*rndPert - pTraits<Type>::one;
            rndPert /= mag(rndPert);
            rfield[celli] += magPerturbation_*rndPert;
        }
 
        return store(resultName_, rfieldt);
    }
    else
    {
        return false;
    }
}
 
 
// ************************************************************************* //