Class used implementing artificial viscosity limiter based on velocity gradient as desribed in Eric Meier Dissertation (2011, Univ. More...

#include <artificial_viscosity_limiter_meier.h>

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

Detailed Description

Class used implementing artificial viscosity limiter based on velocity gradient as desribed in Eric Meier Dissertation (2011, Univ.

Washington, Appx B) Add a diffusion term to the equation adding dissipatin to compressional modes causing shocks Applied on the momentum equation for p=(px,py,pz) Uses Local Discontinuous Galerkin or Interior Penalty d/dt (p) + div (-2 nu Io (|grad u|) o grad u) or (px) (-2 nu |vx_x| vx_x) d/dt (py) + d/dx (0) (pz) (0)

        (0)
 + d/dy (-2 nu |vy_y| vy_y)
        (0)

        (0)
+ d/dz (0)
        (-2 nu |vz_z| vz_z)

        (0)
      = (0)
        (0)

where nu is the viscosity

Public Member Functions
	ArtificialViscosityLimiterMeier ()
	Constructor.

	~ArtificialViscosityLimiterMeier () override
	Destructor.

void	setup (const WxCryptSet &wxc) override
	Setup.

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

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

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

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 definition.

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

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
	Specific Numerical flux definition for local discontinuous galerkin method Called by the numerical flux function.

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
	Specific Numerical flux definition for interior penalty method Called by the numerical flux function.

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::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

◆ ArtificialViscosityLimiterMeier()

wxm::apps::mhd::limiters::ArtificialViscosityLimiterMeier::ArtificialViscosityLimiterMeier ( )

Constructor.

◆ ~ArtificialViscosityLimiterMeier()

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

override

Destructor.

Member Function Documentation

◆ getAuxiliaryVariableIndexes()

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

inlineoverridevirtual

Get auxiliary variable indices.

Parameters

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

Returns: vector of fluid gradients

Reimplemented from WmApplication.

◆ getInputVariableIndexes()

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

inlineoverridevirtual

Get 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::ArtificialViscosityLimiterMeier::getOutputVariableIndexes ( int flag ) const

inlineoverridevirtual

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

overridevirtual

Internal flux definition.

Parameters

const	pointer to q vars
const	pointer to aux vars
const	pointer to solverVariables_t struct
2D	vector of internal flux to be modified by this function

Returns: timestep

Reimplemented from WmApplication.

◆ numerical_flux()

real wxm::apps::mhd::limiters::ArtificialViscosityLimiterMeier::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 definition.

Parameters

const	pointer to left q vars
const	pointer to right q vars
const	pointer to left aux vars
const	pointer to right aux vars
const	pointer to solverVariables_t struct
pointer	to numerical flux array to be modified by this function

Returns: timestep

Reimplemented from WmApplication.

◆ numerical_flux_ip()

real wxm::apps::mhd::limiters::ArtificialViscosityLimiterMeier::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

Specific Numerical flux definition for interior penalty method Called by the numerical flux function.

Parameters

const	pointer to left q vars
const	pointer to right q vars
const	pointer to left aux vars
const	pointer to right aux vars
const	pointer to solverVariables_t struct
pointer	to numerical flux array to be modified by this function

Returns: timestep

◆ numerical_flux_ldg()

real wxm::apps::mhd::limiters::ArtificialViscosityLimiterMeier::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

Specific Numerical flux definition for local discontinuous galerkin method Called by the numerical flux function.

Parameters

const	pointer to left q vars
const	pointer to right q vars
const	pointer to left aux vars
const	pointer to right aux vars
const	pointer to solverVariables_t struct
pointer	to numerical flux array to be modified by this function

Returns: timestep

◆ setup()

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

overridevirtual

Setup.

Parameters

WxCryptSet object

Reimplemented from WmApplication.

Member Data Documentation

◆ _aux_variables

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

protected

◆ _coefficient

real wxm::apps::mhd::limiters::ArtificialViscosityLimiterMeier::_coefficient

protected

◆ _gradient_method

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

protected

◆ _input_variables

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

protected

◆ _output_variables

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

protected

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

src/apps/mhd/limiters/artificial_viscosity_limiter_meier.h

Detailed Description

Public Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ ArtificialViscosityLimiterMeier()

◆ ~ArtificialViscosityLimiterMeier()

Member Function Documentation

◆ getAuxiliaryVariableIndexes()

◆ getInputVariableIndexes()

◆ getOutputVariableIndexes()

◆ internal_flux()

◆ numerical_flux()

◆ numerical_flux_ip()

◆ numerical_flux_ldg()

◆ setup()

Member Data Documentation

◆ _aux_variables

◆ _coefficient

◆ _gradient_method

◆ _input_variables

◆ _output_variables