Class for implementation of a TVD/TVB limiter derived from BoundPreservingLimiterState class. More...

Inheritance diagram for PHiLiP::TVBLimiter< dim, nstate, real >:

Collaboration diagram for PHiLiP::TVBLimiter< dim, nstate, real >:

Public Member Functions
	TVBLimiter (const Parameters::AllParameters *const parameters_input)
	Constructor.

	~TVBLimiter ()=default
	Destructor.

void	limit (dealii::LinearAlgebra::distributed::Vector< double > &solution, const dealii::DoFHandler< dim > &dof_handler, const dealii::hp::FECollection< dim > &fe_collection, const dealii::hp::QCollection< dim > &volume_quadrature_collection, const unsigned int grid_degree, const unsigned int max_degree, const dealii::hp::FECollection< 1 > oneD_fe_collection_1state, const dealii::hp::QCollection< 1 > oneD_quadrature_collection, double dt) override

Public Member Functions inherited from PHiLiP::BoundPreservingLimiterState< dim, nstate, real >
	BoundPreservingLimiterState (const Parameters::AllParameters *const parameters_input)
	Constructor.

	~BoundPreservingLimiterState ()=default
	Destructor.

std::array< real, nstate >	get_soln_cell_avg (const std::array< std::vector< real >, nstate > &soln_at_q, const unsigned int n_quad_pts, const std::vector< real > &quad_weights)
	Function to obtain the solution cell average.

Public Member Functions inherited from PHiLiP::BoundPreservingLimiter< dim, real >
	BoundPreservingLimiter (const int nstate_input, const Parameters::AllParameters *const parameters_input)
	Constructor.

	~BoundPreservingLimiter ()=default
	Destructor.

Private Member Functions
std::array< std::vector< real >, nstate >	limit_cell (std::array< std::vector< real >, nstate > soln_at_q, const unsigned int n_quad_pts, const std::array< real, nstate > prev_cell_avg, const std::array< real, nstate > soln_cell_avg, const std::array< real, nstate > next_cell_avg, const std::array< real, nstate > M, const double h)
	Function to limit cell - apply minmod function, obtain theta (linear scaling value) and apply limiter.

std::array< real, nstate >	get_neighbour_cell_avg (const dealii::LinearAlgebra::distributed::Vector< double > &solution, const dealii::hp::FECollection< dim > &fe_collection, const dealii::hp::QCollection< dim > &volume_quadrature_collection, OPERATOR::basis_functions< dim, 2 *dim, real > soln_basis, const int poly_degree, const std::vector< dealii::types::global_dof_index > &neigh_dofs_indices, const unsigned int n_dofs_neigh_cell)
	Function to obtain the neighbour cell average.

std::array< real, nstate >	get_current_cell_avg (std::array< std::vector< real >, nstate > soln_at_q, const unsigned int n_quad_pts, const std::vector< real > &quad_weights)
	Function to obtain the current cell average.

real	apply_modified_minmod (const double a_state, const double M_state, const double h, const double diff_next_state, const double diff_prev_state, const double cell_avg_state, const bool left_face)
	Function to apply modified_minmod using Thm3.7 in Chen, Shu 2017.

Additional Inherited Members
Public Attributes inherited from PHiLiP::BoundPreservingLimiter< dim, real >
const int	nstate
	Number of states.

const Parameters::AllParameters *const	all_parameters
	Pointer to parameters object.

Detailed Description

Class for implementation of a TVD/TVB limiter derived from BoundPreservingLimiterState class.

Definition at line 15 of file tvb_limiter.h.

Member Function Documentation

template<int dim, int nstate, typename real >

void PHiLiP::TVBLimiter< dim, nstate, real >::limit	(	dealii::LinearAlgebra::distributed::Vector< double > &	solution,
		const dealii::DoFHandler< dim > &	dof_handler,
		const dealii::hp::FECollection< dim > &	fe_collection,
		const dealii::hp::QCollection< dim > &	volume_quadrature_collection,
		const unsigned int	grid_degree,
		const unsigned int	max_degree,
		const dealii::hp::FECollection< 1 >	oneD_fe_collection_1state,
		const dealii::hp::QCollection< 1 >	oneD_quadrature_collection,
		double	dt
	)

overridevirtual

Applies total variation bounded limiter to the solution. Using Chen,Shu September 2017 Thm3.7 we apply a limiter on the solution

Definition at line 174 of file tvb_limiter.cpp.

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