ryujin::MGSmoother< dim, Number > Class Template Reference

#include <source/euler_poisson/laplace_operator.h>

Inheritance diagram for ryujin::MGSmoother< dim, Number >:

Collaboration diagram for ryujin::MGSmoother< dim, Number >:

Classes
struct	MultigridParameters

Public Types
using	ScalarHostVector = Vectors::ScalarHostVector< Number >
using	ScalarHostVectorFloat = Vectors::ScalarHostVector< float >
using	Preconditioner = dealii::PreconditionChebyshev< LaplaceOperator< dim, float >, ScalarHostVectorFloat >

Public Member Functions
	MGSmoother ()=default
void	initialize (const OfflineData< dim, Number > &offline_data, const std::set< dealii::types::boundary_id > boundary_ids, const MultigridParameters parameters)
void	vmult (ScalarHostVector &dst, const ScalarHostVector &src) const
void	Tvmult (ScalarHostVector &dst, const ScalarHostVector &src) const

Static Public Attributes
static constexpr unsigned int	order_fe = 1
static constexpr unsigned int	order_quad = 2

Detailed Description

template<int dim, typename Number>
class ryujin::MGSmoother< dim, Number >

A geometric multigrid smoother and preconditioner for the Laplace operator used when solving for the electrostatic potential.

Definition at line 387 of file laplace_operator.h.

Member Typedef Documentation

ScalarHostVector

template<int dim, typename Number >

using ryujin::MGSmoother< dim, Number >::ScalarHostVector = Vectors::ScalarHostVector<Number>

Definition at line 394 of file laplace_operator.h.

ScalarHostVectorFloat

template<int dim, typename Number >

using ryujin::MGSmoother< dim, Number >::ScalarHostVectorFloat = Vectors::ScalarHostVector<float>

Definition at line 395 of file laplace_operator.h.

Preconditioner

template<int dim, typename Number >

using ryujin::MGSmoother< dim, Number >::Preconditioner = dealii::PreconditionChebyshev<LaplaceOperator<dim, float>, ScalarHostVectorFloat>

Definition at line 397 of file laplace_operator.h.

Constructor & Destructor Documentation

MGSmoother()

template<int dim, typename Number >

ryujin::MGSmoother< dim, Number >::MGSmoother ( )

default

Member Function Documentation

initialize()

template<int dim, typename Number >

void ryujin::MGSmoother< dim, Number >::initialize ( const OfflineData< dim, Number > &  offline_data, const std::set< dealii::types::boundary_id >  boundary_ids, const MultigridParameters  parameters  )

inline

Definition at line 417 of file laplace_operator.h.

References ryujin::MGTransfer< dim, Number >::build(), ryujin::OfflineData< dim, Number >::discretization(), ryujin::OfflineData< dim, Number >::dof_handler(), ryujin::OfflineData< dim, Number >::dof_handler_cg(), ryujin::MGSmoother< dim, Number >::MultigridParameters::gmg_coarse_tolerance, ryujin::MGSmoother< dim, Number >::MultigridParameters::gmg_min_level, ryujin::MGSmoother< dim, Number >::MultigridParameters::gmg_smoother_degree, ryujin::MGSmoother< dim, Number >::MultigridParameters::gmg_smoother_max_eig, ryujin::MGSmoother< dim, Number >::MultigridParameters::gmg_smoother_n_cg_iter, and ryujin::MGSmoother< dim, Number >::MultigridParameters::gmg_smoother_range.

vmult()

template<int dim, typename Number >

void ryujin::MGSmoother< dim, Number >::vmult ( ScalarHostVector &  dst, const ScalarHostVector &  src  ) const

inline

Definition at line 560 of file laplace_operator.h.

Referenced by ryujin::MGSmoother< dim, Number >::Tvmult().

Tvmult()

template<int dim, typename Number >

void ryujin::MGSmoother< dim, Number >::Tvmult ( ScalarHostVector &  dst, const ScalarHostVector &  src  ) const

inline

Definition at line 567 of file laplace_operator.h.

References ryujin::MGSmoother< dim, Number >::vmult().

Member Data Documentation

order_fe

template<int dim, typename Number >

constexpr unsigned int ryujin::MGSmoother< dim, Number >::order_fe = 1

staticconstexpr

Definition at line 391 of file laplace_operator.h.

order_quad

template<int dim, typename Number >

constexpr unsigned int ryujin::MGSmoother< dim, Number >::order_quad = 2

staticconstexpr

Definition at line 392 of file laplace_operator.h.

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

• source/euler_poisson/laplace_operator.h