linearRadial.C

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    Copyright (C) 2020 OpenCFD Ltd.
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#include "linearRadial.H"
#include "addToRunTimeSelectionTable.H"

namespace Foam
{
namespace extrudeModels
{

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

defineTypeNameAndDebug(linearRadial, 0);

addToRunTimeSelectionTable(extrudeModel, linearRadial, dictionary);


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

linearRadial::linearRadial(const dictionary& dict)
:
    extrudeModel(typeName, dict),
    R_(coeffDict_.get<scalar>("R")),
    Rsurface_(coeffDict_.getOrDefault<scalar>("Rsurface", -1))
{}


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

point linearRadial::operator()
(
    const point& surfacePoint,
    const vector& surfaceNormal,
    const label layer
) const
{
    // radius of the surface
    scalar rs = mag(surfacePoint);
    vector rsHat = surfacePoint/rs;

    if (Rsurface_ >= 0) rs = Rsurface_;

    scalar r = rs + (R_ - rs)*sumThickness(layer);
    return r*rsHat;
}


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

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

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