linearNormal.C

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#include "linearNormal.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace extrudeModels
{
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
defineTypeNameAndDebug(linearNormal, 0);
 
addToRunTimeSelectionTable(extrudeModel, linearNormal, dictionary);
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
linearNormal::linearNormal(const dictionary& dict, const bool single)
:
    extrudeModel(dict, single),
    thickness_(dict.lookup<scalar>("thickness")),
    firstCellThickness_(0),
    layerPoints_(nLayers_)
{
    if (thickness_ <= 0)
    {
        FatalErrorInFunction
            << "thickness should be positive : " << thickness_
            << exit(FatalError);
    }
 
    dict.readIfPresent("firstCellThickness", firstCellThickness_);
 
    if (firstCellThickness_ >= thickness_)
    {
        FatalErrorInFunction
            << "firstCellThickness is larger than thickness"
            << exit(FatalError);
    }
 
    if (firstCellThickness_ > 0)
    {
        layerPoints_[0] = firstCellThickness_;
 
        for (label layerI = 1; layerI < nLayers_; layerI++)
        {
            layerPoints_[layerI] =
                (thickness_ - layerPoints_[0])
                *sumThickness(layerI) + layerPoints_[0];
        }
    }
    else
    {
        for (label layerI = 0; layerI < nLayers_; layerI++)
        {
            layerPoints_[layerI] = thickness_*sumThickness(layerI + 1);
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
linearNormal::~linearNormal()
{}
 
 
// * * * * * * * * * * * * * * * * Operators * * * * * * * * * * * * * * * * //
 
point linearNormal::operator()
(
    const point& surfacePoint,
    const vector& surfaceNormal,
    const label layer
) const
{
    if (layer == 0)
    {
        return surfacePoint;
    }
    else
    {
        return surfacePoint + layerPoints_[layer - 1]*surfaceNormal;
    }
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace extrudeModels
} // End namespace Foam
 
// ************************************************************************* //