Class used implementing artificial viscosity limiter based on velocity divergence Adds a diffusion term to the equation based on the compressibility of the fluid Applied on the momentum equation for p=(px,py,pz) Uses Local Discontinuous Galerkin or Interior Penalty d/dt (p) + div (-nu * m * grad u) = 0 where nu is the viscosity coefficient m is an extra multiplier which is either: |div u|, or (div u)^2. More...

#include <artificial_viscosity_limiter.h>

Inheritance diagram for wxm::apps::mhd::limiters::ArtificialViscosityLimiter:

Detailed Description

Class used implementing artificial viscosity limiter based on velocity divergence Adds a diffusion term to the equation based on the compressibility of the fluid Applied on the momentum equation for p=(px,py,pz) Uses Local Discontinuous Galerkin or Interior Penalty d/dt (p) + div (-nu * m * grad u) = 0 where nu is the viscosity coefficient m is an extra multiplier which is either: |div u|, or (div u)^2.

Public Member Functions
	ArtificialViscosityLimiter ()
	Constructor.

	~ArtificialViscosityLimiter ()
	Destructor.

const std::vector< int > &	getInputVariableIndexes (int flag) const override
	Grab input variable indices.

const std::vector< int > &	getAuxiliaryVariableIndexes (int flag) const override
	Grab auxiliary variable indices.

const std::vector< int > &	getOutputVariableIndexes (int flag) const override
	Grab output variable indices.

void	setup (const WxCryptSet &wxc) override
	Setup function.

real	numerical_flux (const real q_l, const real q_r, const real aux_l, const real aux_r, const solverVariables_t pFV, real numericalFlux) const override
	Numerical flux redefinition from parent.

real	internal_flux (const real q, const real aux, const solverVariables_t *pSV, std::vector< std::vector< real > > &internalFlux) const override
	Internal flux redefinition from parent.

real	numerical_flux_ldg (const real q_l, const real q_r, const real aux_l, const real aux_r, const solverVariables_t pFV, real numericalFlux) const
	Numerical flux call as determined by local discontinuous galerkin method.

real	numerical_flux_ip (const real q_l, const real q_r, const real aux_l, const real aux_r, const solverVariables_t pFV, real numericalFlux) const
	Numerical flux call as determined by interior penalty method.

Public Member Functions inherited from WmApplication
	WmApplication ()

virtual	~WmApplication ()=default

virtual void	setup (const WxCryptSet &wxc)

virtual const std::vector< int > &	getAuxiliaryVariableIndexes (int flag=WMAPPLICATIONFLAG_NONE) const

virtual const std::vector< int > &	getCrossVariableIndexes (int flag=WMAPPLICATIONFLAG_NONE) const

const std::vector< std::string > &	getBoundaryNames () const

bool	isOnBoundary (const std::string &boundaryName) const

bool	has (int flag) const

virtual real	numerical_flux (const real q_l, const real q_r, const real aux_l, const real aux_r, const solverVariables_t pFV, real numericalFlux) const

virtual real	internal_flux (const real q, const real aux, const solverVariables_t *pSV, std::vector< std::vector< real > > &internalFlux) const

virtual real	source (const real q, const real aux, const elementGeometry_t pEG, real source) const

virtual void	bc_q (const real q_in, const real aux_in, const real aux_out, const solverVariables_t pFV, real *q_out) const
	Boundary Condition Application which sets the boundary condition on ghost nodes.

virtual real	bcNumericalFlux (const real q_l, const real q_r, const real aux_l, const real aux_r, const solverVariables_t pFV, real numericalFlux) const

virtual void	conserved_to_primitive (const real q, const real aux, real *w) const

virtual void	primitive_to_conserved (const real w, const real aux, real *q) const

virtual void	evaluate_function (const real q, const real aux, const solverVariables_t pSV, real result) const

virtual void	bc_q_kinetic (const real q_in, const real aux_in, const solverVariables_t pFV, real q_out) const

std::shared_ptr< std::string >	app_name ()

virtual const std::vector< int > &	getInputVariableIndexes (int flag=0) const

virtual const std::vector< int > &	getOutputVariableIndexes (int flag=0) const

Protected Attributes
real	_coefficient

std::string	_gradient_method

std::string	_diffusion_factor

std::vector< int >	_input_variables

std::vector< int >	_aux_variables

std::vector< int >	_output_variables

Protected Attributes inherited from WmApplication
std::string	_app_name

WxLogStream	_debStrm

std::vector< int >	_allowedFlags

std::vector< std::string >	_onBoundaries

Additional Inherited Members
Public Types inherited from WmApplication
typedef Application_Variable	WmApplication_Variable

typedef std::map< std::string, std::string >	replaceMap_t

Static Public Attributes inherited from wxm::app_base
static std::vector< int >	empty

Protected Member Functions inherited from wxm::app_base
virtual	~app_base ()=default

Constructor & Destructor Documentation

◆ ArtificialViscosityLimiter()

wxm::apps::mhd::limiters::ArtificialViscosityLimiter::ArtificialViscosityLimiter ( )

Constructor.

◆ ~ArtificialViscosityLimiter()

wxm::apps::mhd::limiters::ArtificialViscosityLimiter::~ArtificialViscosityLimiter ( )

Destructor.

Member Function Documentation

◆ getAuxiliaryVariableIndexes()

const std::vector< int > & wxm::apps::mhd::limiters::ArtificialViscosityLimiter::getAuxiliaryVariableIndexes ( int flag ) const

inlineoverridevirtual

Grab auxiliary variable indices.

Parameters

int	flag - usually flag is given like flux type but usually not checked

Returns: vector of fluid gradient indices

Reimplemented from WmApplication.

◆ getInputVariableIndexes()

const std::vector< int > & wxm::apps::mhd::limiters::ArtificialViscosityLimiter::getInputVariableIndexes ( int flag ) const

inlineoverridevirtual

Grab input variable indices.

Parameters

int	flag - usually flag is given like flux type but usually not checked

Returns: vector of fluid indices

Reimplemented from wxm::app_base.

◆ getOutputVariableIndexes()

const std::vector< int > & wxm::apps::mhd::limiters::ArtificialViscosityLimiter::getOutputVariableIndexes ( int flag ) const

inlineoverridevirtual

Grab output variable indices.

Parameters

int	flag - usually flag is given like flux type but usually not checked

Returns: vector of fluid indices

Reimplemented from wxm::app_base.

◆ internal_flux()

real wxm::apps::mhd::limiters::ArtificialViscosityLimiter::internal_flux	(	const real *	q,
		const real *	aux,
		const solverVariables_t *	pSV,
		std::vector< std::vector< real > > &	internalFlux
	)		const

overridevirtual

Internal flux redefinition from parent.

Parameters

q	- conserved variables
aux	- auxiliary variables
pSV	- solverVariables_t object
internalFlux	- the internal flux 2d vector that is calculated and output

Reimplemented from WmApplication.

◆ numerical_flux()

real wxm::apps::mhd::limiters::ArtificialViscosityLimiter::numerical_flux	(	const real *	q_l,
		const real *	q_r,
		const real *	aux_l,
		const real *	aux_r,
		const solverVariables_t *	pFV,
		real *	numericalFlux
	)		const

overridevirtual

Numerical flux redefinition from parent.

Parameters

q_l	- left node conserved variables
q_r	- right node conserved variables
aux_l	- left node auxiliary variables
aux_r	- right node conserved variables
pFV	- solverVariables_t object
numericalFlux	- the numerical flux vector that is calculated and output

Reimplemented from WmApplication.

◆ numerical_flux_ip()

real wxm::apps::mhd::limiters::ArtificialViscosityLimiter::numerical_flux_ip	(	const real *	q_l,
		const real *	q_r,
		const real *	aux_l,
		const real *	aux_r,
		const solverVariables_t *	pFV,
		real *	numericalFlux
	)		const

Numerical flux call as determined by interior penalty method.

Parameters

q_l	- left node conserved variables
q_r	- right node conserved variables
aux_l	- left node auxiliary variables
aux_r	- right node conserved variables
pFV	- solverVariables_t object
numericalFlux	- the numerical flux vector that is calculated and output

◆ numerical_flux_ldg()

real wxm::apps::mhd::limiters::ArtificialViscosityLimiter::numerical_flux_ldg	(	const real *	q_l,
		const real *	q_r,
		const real *	aux_l,
		const real *	aux_r,
		const solverVariables_t *	pFV,
		real *	numericalFlux
	)		const

Numerical flux call as determined by local discontinuous galerkin method.

Parameters

q_l	- left node conserved variables
q_r	- right node conserved variables
aux_l	- left node auxiliary variables
aux_r	- right node conserved variables
pFV	- solverVariables_t object
numericalFlux	- the numerical flux vector that is calculated and output

◆ setup()

void wxm::apps::mhd::limiters::ArtificialViscosityLimiter::setup ( const WxCryptSet & wxc )

overridevirtual

Setup function.

Parameters

wxc	- cryptset object defining what is needed by the limiter

Reimplemented from WmApplication.

Member Data Documentation

◆ _aux_variables

std::vector<int> wxm::apps::mhd::limiters::ArtificialViscosityLimiter::_aux_variables

protected

◆ _coefficient

real wxm::apps::mhd::limiters::ArtificialViscosityLimiter::_coefficient

protected

◆ _diffusion_factor

std::string wxm::apps::mhd::limiters::ArtificialViscosityLimiter::_diffusion_factor

protected

◆ _gradient_method

std::string wxm::apps::mhd::limiters::ArtificialViscosityLimiter::_gradient_method

protected

◆ _input_variables

std::vector<int> wxm::apps::mhd::limiters::ArtificialViscosityLimiter::_input_variables

protected

◆ _output_variables

std::vector<int> wxm::apps::mhd::limiters::ArtificialViscosityLimiter::_output_variables

protected

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

src/apps/mhd/limiters/artificial_viscosity_limiter.h

Detailed Description

Public Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ ArtificialViscosityLimiter()

◆ ~ArtificialViscosityLimiter()

Member Function Documentation

◆ getAuxiliaryVariableIndexes()

◆ getInputVariableIndexes()

◆ getOutputVariableIndexes()

◆ internal_flux()

◆ numerical_flux()

◆ numerical_flux_ip()

◆ numerical_flux_ldg()

◆ setup()

Member Data Documentation

◆ _aux_variables

◆ _coefficient

◆ _diffusion_factor

◆ _gradient_method

◆ _input_variables

◆ _output_variables