objectRefinement.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | cfMesh: A library for mesh generation
   \\    /   O peration     |
    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
-------------------------------------------------------------------------------
License
    This file is part of cfMesh.
 
    cfMesh 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.
 
    cfMesh 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 cfMesh.  If not, see <http://www.gnu.org/licenses/>.
 
\*---------------------------------------------------------------------------*/
 
#include "IOstream.H"
#include "objectRefinement.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
 
defineTypeNameAndDebug(objectRefinement, 0);
defineRunTimeSelectionTable(objectRefinement, dictionary);
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
objectRefinement::objectRefinement()
:
    name_(),
    cellSize_(-1.0),
    additionalRefLevel_(0),
    refThickness_(0.0)
{}
 
objectRefinement::objectRefinement
(
    const word& name,
    const dictionary& dict
)
:
    name_(name),
    cellSize_(-1.0),
    additionalRefLevel_(0),
    refThickness_(0.0)
{
    if( dict.found("cellSize") )
    {
        cellSize_ = readScalar(dict.lookup("cellSize"));
 
        if( cellSize_ < 0.0 )
        {
            FatalErrorIn
            (
                "objectRefinement::objectRefinement"
                "(const word&, const dictionary&)"
            ) << "Specified cell size for object " << name_
              << " is negative" << exit(FatalError);
        }
    }
    else if( dict.found("additionalRefinementLevels") )
    {
        additionalRefLevel_ =
            readLabel(dict.lookup("additionalRefinementLevels"));
 
        if( additionalRefLevel_ < 0 )
        {
            FatalErrorIn
            (
                "objectRefinement::objectRefinement"
                "(const word&, const dictionary&)"
            ) << "Specified additionalRefinementLevel for object " << name_
              << " is negative" << exit(FatalError);
        }
    }
 
    if( dict.found("refinementThickness") )
        refThickness_ = readScalar(dict.lookup("refinementThickness"));
}
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
objectRefinement::~objectRefinement()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Ostream& operator<<(Ostream& os, const objectRefinement& obr)
{
    os << obr.name() << nl;
    obr.writeDict(os, true);
    return os;
}
 
void objectRefinement::calculateAdditionalRefLevels(const scalar globalCellSize)
{
    if( cellSize_ < 0.0 || additionalRefLevel_ != 0 )
        return;
 
    scalar s = globalCellSize;
 
    label nMarked;
    do
    {
        nMarked = 0;
 
        if( cellSize_ <= s * (1.+SMALL) )
        {
            ++nMarked;
            ++additionalRefLevel_;
        }
 
        s /= 2.0;
 
    } while( nMarked != 0 );
 
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //