mfem::PRefinementHierarchy Class Reference

#include <preconditioners.hpp>

Collaboration diagram for mfem::PRefinementHierarchy:

Public Member Functions
	PRefinementHierarchy (const Array< ParFiniteElementSpace * > &pfes_, const std::vector< Array< int > > &ess_bdr_marker_)
const ParFiniteElementSpace *	GetParFESpace (int lev, int b) const
int	GetFESpaceMinimumOrder (const ParFiniteElementSpace *pfespace) const
void	BuildSpaceHierarchy (int mgmaxlevels=-1)
	Computes orders/maxlevels and constructs fec/fes hierarchy and T_level storage.
BlockOperator *	BuildProlongation (int lev)
	Builds block-diagonal prolongation for level lev (coarse=lev, fine=lev+1). Its diagonal blocks are HypreParMatrix* returned by the transfer operators stored in T_level[lev][b].

Public Attributes
Array< int >	orders
const Array< ParFiniteElementSpace * > &	pfes
std::vector< Array< int > >	ess_bdr_marker
std::vector< Array< int > >	ess_tdof_list
ParMesh *	pmesh = nullptr
int	nblocks
int	maxlevels = 1
std::vector< std::vector< std::unique_ptr< FiniteElementCollection > > >	fec_owned
std::vector< std::vector< std::unique_ptr< ParFiniteElementSpace > > >	fes_owned
std::vector< std::vector< std::unique_ptr< PRefinementTransferOperator > > >	T_level

Detailed Description

Shared helper class (real/complex) p-refinement multigrid:

• builds FE hierarchy
• builds transfer operators

Definition at line 66 of file preconditioners.hpp.

Constructor & Destructor Documentation

PRefinementHierarchy()

mfem::PRefinementHierarchy::PRefinementHierarchy	(	const Array< ParFiniteElementSpace * > &	pfes_,
		const std::vector< Array< int > > &	ess_bdr_marker_ )

Definition at line 58 of file preconditioners.cpp.

Member Function Documentation

BuildProlongation()

BlockOperator * mfem::PRefinementHierarchy::BuildProlongation

(

int

lev

)

Builds block-diagonal prolongation for level lev (coarse=lev, fine=lev+1). Its diagonal blocks are HypreParMatrix* returned by the transfer operators stored in T_level[lev][b].

Definition at line 168 of file preconditioners.cpp.

BuildSpaceHierarchy()

void mfem::PRefinementHierarchy::BuildSpaceHierarchy

(

int

mgmaxlevels = -1

)

Computes orders/maxlevels and constructs fec/fes hierarchy and T_level storage.

Definition at line 92 of file preconditioners.cpp.

GetFESpaceMinimumOrder()

int mfem::PRefinementHierarchy::GetFESpaceMinimumOrder

(

const ParFiniteElementSpace *

pfespace

)

const

Definition at line 84 of file preconditioners.cpp.

GetParFESpace()

const ParFiniteElementSpace * mfem::PRefinementHierarchy::GetParFESpace	(	int	lev,
		int	b ) const

Definition at line 77 of file preconditioners.cpp.

Member Data Documentation

ess_bdr_marker

std::vector<Array<int> > mfem::PRefinementHierarchy::ess_bdr_marker

Definition at line 71 of file preconditioners.hpp.

ess_tdof_list

std::vector<Array<int> > mfem::PRefinementHierarchy::ess_tdof_list

Definition at line 72 of file preconditioners.hpp.

fec_owned

std::vector<std::vector<std::unique_ptr<FiniteElementCollection> > > mfem::PRefinementHierarchy::fec_owned

Definition at line 78 of file preconditioners.hpp.

fes_owned

std::vector<std::vector<std::unique_ptr<ParFiniteElementSpace> > > mfem::PRefinementHierarchy::fes_owned

Definition at line 79 of file preconditioners.hpp.

maxlevels

int mfem::PRefinementHierarchy::maxlevels = 1

Definition at line 75 of file preconditioners.hpp.

nblocks

int mfem::PRefinementHierarchy::nblocks

Definition at line 74 of file preconditioners.hpp.

orders

Array<int> mfem::PRefinementHierarchy::orders

Definition at line 69 of file preconditioners.hpp.

pfes

const Array<ParFiniteElementSpace*>& mfem::PRefinementHierarchy::pfes

Definition at line 70 of file preconditioners.hpp.

pmesh

ParMesh* mfem::PRefinementHierarchy::pmesh = nullptr

Definition at line 73 of file preconditioners.hpp.

T_level

std::vector<std::vector<std::unique_ptr<PRefinementTransferOperator> > > mfem::PRefinementHierarchy::T_level

Definition at line 82 of file preconditioners.hpp.

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

• miniapps/dpg/util/preconditioners.hpp
• miniapps/dpg/util/preconditioners.cpp