linearNormal.C

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    Copyright (C) 2019-2020 OpenCFD Ltd.
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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)
:
    extrudeModel(typeName, dict),
    thickness_(coeffDict_.get<scalar>("thickness")),
    firstCellThickness_
    (
        coeffDict_.getOrDefault<scalar>("firstCellThickness", 0)
    ),
    layerPoints_(nLayers_)
{
    if (thickness_ <= 0)
    {
        FatalErrorInFunction
            << "thickness should be positive : " << thickness_
            << exit(FatalError);
    }
 
    if (nLayers_ > 1 && firstCellThickness_ > 0)
    {
        if (thickness_ <= firstCellThickness_)
        {
            FatalErrorInFunction
                << "firstCellThickness leave no room for further layers"
                << exit(FatalError);
        }
 
        layerPoints_[0] = firstCellThickness_;
 
        for (label layer = 1; layer < nLayers_; ++layer)
        {
            layerPoints_[layer] =
                (thickness_ - layerPoints_[0])
                *sumThickness(layer) + layerPoints_[0];
        }
    }
    else
    {
        for (label layer = 0; layer < nLayers_; ++layer)
        {
            layerPoints_[layer] = thickness_*sumThickness(layer + 1);
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Operators * * * * * * * * * * * * * * * * //
 
point linearNormal::operator()
(
    const point& surfacePoint,
    const vector& surfaceNormal,
    const label layer
) const
{
    if (layer <= 0)
    {
        return surfacePoint;
    }
 
    return surfacePoint + layerPoints_[layer - 1]*surfaceNormal;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace extrudeModels
} // End namespace Foam
 
// ************************************************************************* //