rotationsymmetricscvf.hh

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#ifndef DUMUX_DISCRETIZATION_ROTATION_SYMMETRIC_SUBCONTROLVOLUMEFACE_HH
#define DUMUX_DISCRETIZATION_ROTATION_SYMMETRIC_SUBCONTROLVOLUMEFACE_HH
 
#include <cmath>
#include <dumux/discretization/rotationpolicy.hh>
 
namespace Dumux {
 
template<class SubControlVolumeFace, RotationPolicy rotationPolicy>
class RotationSymmetricSubControlVolumeFace;
 
template<class SubControlVolumeFace>
class RotationSymmetricSubControlVolumeFace<SubControlVolumeFace, RotationPolicy::disc>
: public SubControlVolumeFace
{
    using Scalar = typename SubControlVolumeFace::Traits::Scalar;
    static_assert(SubControlVolumeFace::Traits::Geometry::mydimension == 0, "Rotation symmetric scvf with disc policy only works with 1d grids!");
    static_assert(SubControlVolumeFace::Traits::Geometry::coorddimension == 1, "Rotation symmetric scvf with disc policy only works with 1d grids!");
public:
    using SubControlVolumeFace::SubControlVolumeFace;
 
    Scalar area() const
    {
        const auto radius = this->corner(0)[0];
        return 2.0*M_PI*radius;
    }
};
 
template<class SubControlVolumeFace>
class RotationSymmetricSubControlVolumeFace<SubControlVolumeFace, RotationPolicy::ball>
: public SubControlVolumeFace
{
    using Scalar = typename SubControlVolumeFace::Traits::Scalar;
    static_assert(SubControlVolumeFace::Traits::Geometry::mydimension == 0, "Rotation symmetric scvf with ball policy only works with 1d grids!");
    static_assert(SubControlVolumeFace::Traits::Geometry::coorddimension == 1, "Rotation symmetric scvf with ball policy only works with 1d grids!");
public:
    using SubControlVolumeFace::SubControlVolumeFace;
 
    Scalar area() const
    {
        const auto radius = this->corner(0)[0];
        return 4.0*M_PI*radius*radius;
    }
};
 
template<class SubControlVolumeFace>
class RotationSymmetricSubControlVolumeFace<SubControlVolumeFace, RotationPolicy::toroid>
: public SubControlVolumeFace
{
    using Scalar = typename SubControlVolumeFace::Traits::Scalar;
    static_assert(SubControlVolumeFace::Traits::Geometry::mydimension == 1, "Rotation symmetric scvf with toroid policy only works with 2d grids!");
    static_assert(SubControlVolumeFace::Traits::Geometry::coorddimension == 2, "Rotation symmetric scvf with toroid policy only works with 2d grids!");
public:
    using SubControlVolumeFace::SubControlVolumeFace;
 
    Scalar area() const
    {
        const auto radius = this->center()[0];
        return SubControlVolumeFace::area()*2.0*M_PI*radius;
    }
};
 
} // end namespace Dumux
 
#endif