dealspectrum::SpectralAnalysis Class Reference

#include <spectrum.h>

Public Member Functions
	SpectralAnalysis (MPI_Comm const &comm, Setup &s)
int	indices_proc_rows (int i)
void	getLocalRange (int &start, int &end)
void	init ()
	~SpectralAnalysis ()
void	execute ()
void	calculate_energy ()
void	calculate_energy_spectrum ()
int	get_results (double *&K, double *&E, double *&C, double &e_d, double &e_s)
void	serialize (char const *filename)
void	deserialize (char *&filename)

Public Attributes
int	bsize
double *	u_real

Detailed Description

Class wrapping FFTW and performing energy spectral analysis.

Constructor & Destructor Documentation

SpectralAnalysis()

dealspectrum::SpectralAnalysis::SpectralAnalysis ( MPI_Comm const & comm, Setup & s )

inline

Constructor

Parameters

s	DEAL.SPECTRUM setup

~SpectralAnalysis()

dealspectrum::SpectralAnalysis::~SpectralAnalysis ( )

inline

Destructor

Member Function Documentation

calculate_energy_spectrum()

void dealspectrum::SpectralAnalysis::calculate_energy_spectrum ( )

inline

Perform spectral analysis

deserialize()

void dealspectrum::SpectralAnalysis::deserialize ( char *& filename )

inline

Read arrays from file

Parameters

filename

name of file

execute()

void dealspectrum::SpectralAnalysis::execute ( )

inline

Perform FFT with FFTW

get_results()

int dealspectrum::SpectralAnalysis::get_results ( double *& K, double *& E, double *& C, double & e_d, double & e_s )

inline

Access spectral analysis results in table format

Parameters

kappa	kappa
E	energy

Returns

length of table

getLocalRange()

void dealspectrum::SpectralAnalysis::getLocalRange ( int & start, int & end )

inline

Get process local range of rows/plane this process owns

Parameters

start	start point
end	end point

indices_proc_rows()

int dealspectrum::SpectralAnalysis::indices_proc_rows ( int i )

inline

Determines rank of process owning specified row (2D) or plane (3D)

Parameters

i	position on sfc

Returns

rank of process owning cell

init()

void dealspectrum::SpectralAnalysis::init ( )

inline

Initialize data structures

serialize()

void dealspectrum::SpectralAnalysis::serialize ( char const * filename )

inline

Write arrays to file

Parameters

filename

name of file

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

• include/exadg/postprocessor/spectral_analysis/spectrum.h