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Functions
TimeHarmonicIsotropicElasticityTensor	E (Nu)
	The elasticity tensor for the solid. More...

void	update_parameter_values ()
	Function to update dependent parameter values. More...

void	solid_boundary_displacement (const Vector< double > &x, Vector< std::complex< double > > &u)
	Displacement field on inner boundary of solid. More...

std::complex< double >	HankelH1 (const double &k, const double &x)
	Interface to Hankel function in maple style. More...

std::complex< double >	axisym_coefficient ()
	Coefficient in front of Hankel function for axisymmetric solution of Helmholtz potential. More...

void	exact_axisym_potential (const Vector< double > &x, Vector< double > &soln)
	Exact solution for Helmholtz potential for axisymmetric solution. More...

double	exact_axisym_radiated_power ()
	Exact radiated power for axisymmetric solution. More...

Vector< double >	Omega_sq (2, 0.0)
	Square of non-dim frequency for the two regions – dependent variable! More...

Vector< double >	Density_ratio (2, 0.1)
	Density ratio for the two regions: solid to fluid. More...

void	pressure_load (const Vector< double > &x, const Vector< double > &n, Vector< std::complex< double > > &traction)
	Pressure load (real and imag part) More...

Variables
double	K_squared =10.0
	Square of wavenumber for the Helmholtz equation. More...

double	Outer_radius =4.0
	Radius of outer boundary of Helmholtz domain. More...

double	Q =0.0
	FSI parameter. More...

double	H_coating =0.3
	Non-dim thickness of elastic coating. More...

double	Nu = 0.3
	Poisson's ratio. More...

double	Density_ratio =0.0
	Density ratio: solid to fluid. More...

double	Omega_sq =0.0
	Non-dim square of frequency for solid – dependent variable! More...

unsigned	N =0
	Azimuthal wavenumber for imposed displacement of coating on inner boundary. More...

string	Directory ="RESLT"
	Output directory. More...

unsigned	El_multiplier =1
	Multiplier for number of elements. More...

unsigned	ABC_order =3
	Order of absorbing/appproximate boundary condition. More...

Vector< TimeHarmonicIsotropicElasticityTensor * >	E_pt
	The elasticity tensors for the two regions. More...

double	P = 0.1
	Uniform pressure. More...

double	Alpha =200.0
	Peakiness parameter for pressure load. More...

Detailed Description

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Global variables

Function Documentation

◆ axisym_coefficient()

std::complex<double> Global_Parameters::axisym_coefficient ( )

Coefficient in front of Hankel function for axisymmetric solution of Helmholtz potential.

Definition at line 133 of file acoustic_fsi.cc.

References H_coating, HankelH1(), K_squared, Nu, and Q.

Referenced by exact_axisym_potential(), and exact_axisym_radiated_power().

◆ Density_ratio()

Vector<double> Global_Parameters::Density_ratio	(	2	,
		0.	1
	)

Density ratio for the two regions: solid to fluid.

◆ E()

TimeHarmonicIsotropicElasticityTensor Global_Parameters::E ( Nu )

The elasticity tensor for the solid.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::CoatedDiskProblem().

◆ exact_axisym_potential()

void Global_Parameters::exact_axisym_potential	(	const Vector< double > &	x,
		Vector< double > &	soln
	)

Exact solution for Helmholtz potential for axisymmetric solution.

Definition at line 195 of file acoustic_fsi.cc.

References axisym_coefficient(), HankelH1(), and K_squared.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::doc_solution().

◆ exact_axisym_radiated_power()

double Global_Parameters::exact_axisym_radiated_power ( )

Exact radiated power for axisymmetric solution.

Definition at line 205 of file acoustic_fsi.cc.

References axisym_coefficient(), and K_squared.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::doc_solution().

◆ HankelH1()

std::complex<double> Global_Parameters::HankelH1	(	const double &	k,
		const double &	x
	)

Interface to Hankel function in maple style.

Definition at line 107 of file acoustic_fsi.cc.

Referenced by axisym_coefficient(), and exact_axisym_potential().

◆ Omega_sq()

Vector<double> Global_Parameters::Omega_sq	(	2	,
		0.	0
	)

Square of non-dim frequency for the two regions – dependent variable!

◆ pressure_load()

void Global_Parameters::pressure_load	(	const Vector< double > &	x,
		const Vector< double > &	n,
		Vector< std::complex< double > > &	traction
	)

Pressure load (real and imag part)

Definition at line 151 of file unstructured_acoustic_fsi.cc.

References Alpha, and P.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::create_solid_traction_elements().

◆ solid_boundary_displacement()

void Global_Parameters::solid_boundary_displacement	(	const Vector< double > &	x,
		Vector< std::complex< double > > &	u
	)

Displacement field on inner boundary of solid.

Definition at line 86 of file acoustic_fsi.cc.

References N.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::CoatedDiskProblem().

◆ update_parameter_values()

void Global_Parameters::update_parameter_values ( )

Function to update dependent parameter values.

Definition at line 76 of file acoustic_fsi.cc.

References Density_ratio, Omega_sq, and Q.

Referenced by main().

Variable Documentation

◆ ABC_order

unsigned Global_Parameters::ABC_order =3

Order of absorbing/appproximate boundary condition.

Definition at line 117 of file unstructured_acoustic_fsi.cc.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::create_helmholtz_ABC_elements().

◆ Alpha

double Global_Parameters::Alpha =200.0

Peakiness parameter for pressure load.

Definition at line 148 of file unstructured_acoustic_fsi.cc.

Referenced by main(), and pressure_load().

◆ Density_ratio

double Global_Parameters::Density_ratio =0.0

Density ratio: solid to fluid.

Definition at line 70 of file acoustic_fsi.cc.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::doc_solution(), main(), and update_parameter_values().

◆ Directory

string Global_Parameters::Directory ="RESLT"

Output directory.

Definition at line 101 of file acoustic_fsi.cc.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::CoatedDiskProblem(), and main().

◆ E_pt

Vector<TimeHarmonicIsotropicElasticityTensor*> Global_Parameters::E_pt

The elasticity tensors for the two regions.

Definition at line 135 of file unstructured_acoustic_fsi.cc.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::complete_problem_setup(), and main().

◆ El_multiplier

unsigned Global_Parameters::El_multiplier =1

Multiplier for number of elements.

Definition at line 104 of file acoustic_fsi.cc.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::CoatedDiskProblem(), and main().

◆ H_coating

double Global_Parameters::H_coating =0.3

Non-dim thickness of elastic coating.

Definition at line 61 of file acoustic_fsi.cc.

Referenced by axisym_coefficient(), and CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::CoatedDiskProblem().

◆ K_squared

double Global_Parameters::K_squared =10.0

Square of wavenumber for the Helmholtz equation.

Definition at line 52 of file acoustic_fsi.cc.

Referenced by axisym_coefficient(), CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::CoatedDiskProblem(), CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::doc_solution(), exact_axisym_potential(), and exact_axisym_radiated_power().

◆ N

unsigned Global_Parameters::N =0

Azimuthal wavenumber for imposed displacement of coating on inner boundary.

Definition at line 83 of file acoustic_fsi.cc.

Referenced by main(), and solid_boundary_displacement().

◆ Nu

double Global_Parameters::Nu = 0.3

Poisson's ratio.

Definition at line 64 of file acoustic_fsi.cc.

Referenced by axisym_coefficient(), and main().

◆ Omega_sq

double Global_Parameters::Omega_sq =0.0

Non-dim square of frequency for solid – dependent variable!

Definition at line 73 of file acoustic_fsi.cc.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::CoatedDiskProblem(), CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::complete_problem_setup(), CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::doc_solution(), and update_parameter_values().

◆ Outer_radius

double Global_Parameters::Outer_radius =4.0

Radius of outer boundary of Helmholtz domain.

Definition at line 55 of file acoustic_fsi.cc.

Referenced by CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::CoatedDiskProblem(), CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::create_helmholtz_ABC_elements(), and main().

◆ P

double Global_Parameters::P = 0.1

Uniform pressure.

Definition at line 145 of file unstructured_acoustic_fsi.cc.

Referenced by pressure_load().

◆ Q

double Global_Parameters::Q =0.0

FSI parameter.

Definition at line 58 of file acoustic_fsi.cc.

Referenced by axisym_coefficient(), CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::create_fsi_traction_elements(), CoatedDiskProblem< ELASTICITY_ELEMENT, HELMHOLTZ_ELEMENT >::doc_solution(), main(), and update_parameter_values().

Functions

Variables