linearNormal.C

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    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
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#include "linearNormal.H"
#include <OpenFOAM/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_(readScalar(coeffDict_.lookup("thickness")))
{
    if (thickness_ <= 0)
    {
        FatalErrorIn("linearNormal(const dictionary&)")
            << "thickness should be positive : " << thickness_
            << exit(FatalError);
    }
}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

linearNormal::~linearNormal()
{}


// * * * * * * * * * * * * * * * * Operators * * * * * * * * * * * * * * * * //

point linearNormal::operator()
(
    const point& surfacePoint,
    const vector& surfaceNormal,
    const label layer
) const
{
    scalar d = thickness_*layer/nLayers_;
    return surfacePoint + d*surfaceNormal;
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace extrudeModels
} // End namespace Foam

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