limitFieldsTemplates.C

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    Copyright (C) 2019-2023 OpenCFD Ltd.
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License
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#include "limitFields.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
template<class Type>
bool Foam::functionObjects::limitFields::limitField(const word& fieldName)
{
    typedef GeometricField<Type, fvPatchField, volMesh> VolFieldType;
 
    auto* fieldPtr = getObjectPtr<VolFieldType>(fieldName);
    if (!fieldPtr)
    {
        return false;
    }
 
    auto& field = *fieldPtr;
 
    Log << "    Limiting field " << fieldName << ":";
 
    const dimensionedScalar eps("eps", field.dimensions(), ROOTVSMALL);
 
    if (withBounds_ & limitType::CLAMP_MIN)
    {
        auto tmField = volScalarField::New
        (
            IOobject::scopedName(typeName, "mag" + field.name()),
            IOobject::NO_REGISTER,
            mag(field)
        );
        auto& mField = tmField.ref();
 
        Log << " min(|" << gMin(mField) << "|)";
        //field.normalise();
        field /= mag(field) + eps;
        mField.clamp_min(min_);
        field *= tmField;
    }
 
    if (withBounds_ & limitType::CLAMP_MAX)
    {
        auto tmField = volScalarField::New
        (
            IOobject::scopedName(typeName, "mag" + field.name()),
            IOobject::NO_REGISTER,
            mag(field)
        );
        auto& mField = tmField.ref();
 
        Log << " max(|" << gMax(mField) << "|)";
        //field.normalise();
        field /= mag(field) + eps;
        mField.clamp_max(max_);
        field *= tmField;
    }
 
    Log << endl;
 
    return true;
}
 
 
// ************************************************************************* //