ProblemParameters Namespace Reference

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Functions
Vector< double >	Coeff (N_terms, 1.0)
	Coefficients in the exact solution. More...
std::complex< double >	I (0.0, 1.0)
	Imaginary unit. More...
void	get_exact_u (const Vector< double > &x, Vector< double > &u)
	Exact solution as a Vector of size 2, containing real and imag parts. More...
void	exact_minus_dudr (const Vector< double > &x, std::complex< double > &flux)
	Get -du/dr (spherical r) for exact solution. Equal to prescribed flux on inner boundary. More...
std::complex< double >	Magnitude (100.0, 100.0)
	Point source magnitude (Complex) More...

Variables
string	Directory ="RESLT"
	Output directory. More...
double	K_squared = 10.0
	Frequency. More...
double	PML_thickness =4.0
	Default physical PML thickness. More...
unsigned	Nel_pml =15
	Default number of elements within PMLs. More...
double	Element_area = 0.1
	Target area for initial mesh. More...
int	N_fourier =0
	The default Fourier wave number. More...
unsigned	N_terms =6
	Number of terms in the exact solution. More...
double	R_source = 2.0
	Radial position of point source. More...
double	Z_source = 2.0
	Axial position of point source. More...

Detailed Description

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Namespace for the Fourier decomposed Helmholtz problem parameters

Function Documentation

Coeff()

Vector<double> ProblemParameters::Coeff	(	N_terms	,
		1.	0
	)

Coefficients in the exact solution.

Referenced by exact_minus_dudr(), and get_exact_u().

exact_minus_dudr()

void ProblemParameters::exact_minus_dudr	(	const Vector< double > &	x,
		std::complex< double > &	flux
	)

Get -du/dr (spherical r) for exact solution. Equal to prescribed flux on inner boundary.

Definition at line 147 of file oscillating_sphere.cc.

References Coeff(), I(), K_squared, N_fourier, and N_terms.

Referenced by PMLFourierDecomposedHelmholtzProblem< ELEMENT >::create_flux_elements_on_inner_boundary().

get_exact_u()

void ProblemParameters::get_exact_u	(	const Vector< double > &	x,
		Vector< double > &	u
	)

Exact solution as a Vector of size 2, containing real and imag parts.

Definition at line 86 of file oscillating_sphere.cc.

References Coeff(), I(), K_squared, N_fourier, and N_terms.

Referenced by PMLFourierDecomposedHelmholtzProblem< ELEMENT >::doc_solution().

I()

std::complex<double> ProblemParameters::I	(	0.	0,
		1.	0
	)

Imaginary unit.

Referenced by exact_minus_dudr(), and get_exact_u().

Magnitude()

std::complex<double> ProblemParameters::Magnitude	(	100.	0,
		100.	0
	)

Point source magnitude (Complex)

Referenced by PMLFourierDecomposedHelmholtzProblem< ELEMENT >::setup_point_source().

Variable Documentation

Directory

string ProblemParameters::Directory ="RESLT"

Output directory.

Definition at line 59 of file oscillating_sphere.cc.

Referenced by main(), and PMLFourierDecomposedHelmholtzProblem< ELEMENT >::PMLFourierDecomposedHelmholtzProblem().

Element_area

double ProblemParameters::Element_area = 0.1

Target area for initial mesh.

Definition at line 71 of file oscillating_sphere.cc.

Referenced by main(), and PMLFourierDecomposedHelmholtzProblem< ELEMENT >::PMLFourierDecomposedHelmholtzProblem().

K_squared

double ProblemParameters::K_squared = 10.0

Frequency.

Definition at line 62 of file oscillating_sphere.cc.

Referenced by PMLFourierDecomposedHelmholtzProblem< ELEMENT >::complete_problem_setup(), exact_minus_dudr(), get_exact_u(), main(), and PMLFourierDecomposedHelmholtzProblem< ELEMENT >::PMLFourierDecomposedHelmholtzProblem().

N_fourier

int ProblemParameters::N_fourier =0

The default Fourier wave number.

Definition at line 74 of file oscillating_sphere.cc.

Referenced by PMLFourierDecomposedHelmholtzProblem< ELEMENT >::complete_problem_setup(), exact_minus_dudr(), get_exact_u(), main(), and PMLFourierDecomposedHelmholtzProblem< ELEMENT >::setup_point_source().

N_terms

unsigned ProblemParameters::N_terms =6

Number of terms in the exact solution.

Definition at line 77 of file oscillating_sphere.cc.

Referenced by exact_minus_dudr(), and get_exact_u().

Nel_pml

unsigned ProblemParameters::Nel_pml =15

Default number of elements within PMLs.

Definition at line 68 of file oscillating_sphere.cc.

Referenced by PMLFourierDecomposedHelmholtzProblem< ELEMENT >::create_pml_meshes(), and main().

PML_thickness

double ProblemParameters::PML_thickness =4.0

Default physical PML thickness.

Definition at line 65 of file oscillating_sphere.cc.

Referenced by PMLFourierDecomposedHelmholtzProblem< ELEMENT >::create_pml_meshes(), and main().

R_source

double ProblemParameters::R_source = 2.0

Radial position of point source.

Definition at line 206 of file oscillating_sphere.cc.

Referenced by PMLFourierDecomposedHelmholtzProblem< ELEMENT >::setup_point_source().

Z_source

double ProblemParameters::Z_source = 2.0

Axial position of point source.

Definition at line 209 of file oscillating_sphere.cc.

Referenced by PMLFourierDecomposedHelmholtzProblem< ELEMENT >::setup_point_source().