Skip to content
Snippets Groups Projects
log.C 3.41 KiB
Newer Older
  • Learn to ignore specific revisions
  • /*---------------------------------------------------------------------------*\
      =========                 |
      \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
       \\    /   O peration     |
        \\  /    A nd           | www.openfoam.com
         \\/     M anipulation  |
    -------------------------------------------------------------------------------
        Copyright (C) 2018-2019 OpenFOAM Foundation
    
        Copyright (C) 2020-2021 OpenCFD Ltd.
    
    ------------------------------------------------------------------------------
    License
        This file is part of OpenFOAM.
    
        OpenFOAM is free software: you can redistribute it and/or modify it
        under the terms of the GNU General Public License as published by
        the Free Software Foundation, either version 3 of the License, or
        (at your option) any later version.
    
        OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
        ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
        FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
        for more details.
    
        You should have received a copy of the GNU General Public License
        along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
    
    \*---------------------------------------------------------------------------*/
    
    #include "log.H"
    #include "volFields.H"
    #include "addToRunTimeSelectionTable.H"
    
    // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
    
    namespace Foam
    {
    namespace functionObjects
    {
        defineTypeNameAndDebug(log, 0);
        addToRunTimeSelectionTable(functionObject, log, dictionary);
    }
    }
    
    
    // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
    
    bool Foam::functionObjects::log::calc()
    {
        if (foundObject<volScalarField>(fieldName_))
        {
            const volScalarField& x = lookupObject<volScalarField>(fieldName_);
    
            // Switch-off dimension checking if requested
    
            const bool oldDimChecking = dimensionSet::checking();
    
    
            if (!checkDimensions_)
            {
    
                dimensionSet::checking(false);
    
            }
    
            bool stored = store
            (
                resultName_,
                scale_*Foam::log(max(x, clipValue_)) + offset_
            );
    
            // Reinstate dimension checking
            if (!checkDimensions_)
            {
    
                dimensionSet::checking(oldDimChecking);
    
            }
    
            return stored;
        }
    
        return false;
    }
    
    
    // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
    
    Foam::functionObjects::log::log
    (
        const word& name,
        const Time& runTime,
        const dictionary& dict
    )
    :
        fieldExpression(name, runTime, dict, typeName),
        checkDimensions_(true),
        clipValue_(SMALL),
        scale_(1.0),
        offset_(0.0)
    {
        read(dict);
    }
    
    
    // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
    
    bool Foam::functionObjects::log::read(const dictionary& dict)
    {
        if (fvMeshFunctionObject::read(dict) && fieldExpression::read(dict))
        {
            checkDimensions_ = dict.getOrDefault<Switch>("checkDimensions", true);
            clipValue_ =
                dict.getCheckOrDefault<scalar>
                (
                    "clip",
                    SMALL,
                    scalarMinMax::ge(SMALL)
                );
            scale_ = dict.getOrDefault<scalar>("scale", 1.0);
            offset_ = dict.getOrDefault<scalar>("offset", 0.0);
    
            return true;
        }
    
        return false;
    }
    
    
    // ************************************************************************* //