dg::geo::FluxSurfaceIntegral< container > Struct Template Reference

Flux surface integral of the form \( \int dR dZ f(R,Z) \delta(\psi_p(R,Z)-\psi_0) g(R,Z) \). More...

Public Member Functions
	FluxSurfaceIntegral (const dg::Grid2d &g2d, const TokamakMagneticField &mag, double width_factor=1.)
	Construct from a grid and a magnetic field f and g are default initialized to 1. More...
double	get_deltapsi () const
void	set_left (const container &f)
	Set the left function to integrate. More...
void	set_right (const container &g)
	Set the right function to integrate. More...
double	operator() (double psip0)
	Calculate the Flux Surface Integral. More...

Detailed Description

template<class container>
struct dg::geo::FluxSurfaceIntegral< container >

Flux surface integral of the form \( \int dR dZ f(R,Z) \delta(\psi_p(R,Z)-\psi_0) g(R,Z) \).

where for the width of the Gaussian shaped delta function we use the maximum of 0.5*h*GradPsip where h is the cell size in the grid

Constructor & Destructor Documentation

FluxSurfaceIntegral()

template<class container >

dg::geo::FluxSurfaceIntegral< container >::FluxSurfaceIntegral ( const dg::Grid2d &  g2d, const TokamakMagneticField &  mag, double  width_factor = 1.  )

inline

Construct from a grid and a magnetic field f and g are default initialized to 1.

Parameters

g2d	grid
mag	contains psip, psipR and psipZ
width_factor	can be used to tune the width of the numerical delta function (width = 0.5*h*GradPsi*width_factor)

Member Function Documentation

get_deltapsi()

template<class container >

double dg::geo::FluxSurfaceIntegral< container >::get_deltapsi ( ) const

inline

operator()()

template<class container >

double dg::geo::FluxSurfaceIntegral< container >::operator() ( double  psip0 )

inline

Calculate the Flux Surface Integral.

Parameters

psip0

the actual psi value of the flux surface

Returns

Int_psip0 (f,g)

set_left()

template<class container >

void dg::geo::FluxSurfaceIntegral< container >::set_left ( const container &  f )

inline

Set the left function to integrate.

Parameters

f	the container containing the discretized function

set_right()

template<class container >

void dg::geo::FluxSurfaceIntegral< container >::set_right ( const container &  g )

inline

Set the right function to integrate.

Parameters

g	the container containing the discretized function

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The documentation for this struct was generated from the following file:

• average.h