The local assembler for DUNE grids. More...

#include <dune/pdelab/gridoperator/default/localassembler.hh>

Public Types
typedef Dune::PDELab::LocalAssemblerTraits< GO >	Traits
	The traits class.

typedef Traits::Residual::ElementType	RangeField
	The local operators type for real numbers e.g. time.

typedef Dune::PDELab::LocalAssemblerBase< typename Traits::MatrixBackend, CU, CV >	Base
	The base class of this local assembler.

typedef LOP	LocalOperator
	The local operator.


typedef Dune::PDELab::LocalFunctionSpace< GFSU, Dune::PDELab::TrialSpaceTag >	LFSU

Public Member Functions
	DefaultLocalAssembler (LOP &lop, std::shared_ptr< typename GO::BorderDOFExchanger > border_dof_exchanger)
	Constructor with empty constraints.

	DefaultLocalAssembler (LOP &lop, const CU &cu, const CV &cv, std::shared_ptr< typename GO::BorderDOFExchanger > border_dof_exchanger)
	Constructor for non trivial constraints.

LOP &	localOperator ()
	get a reference to the local operator

const LOP &	localOperator () const
	get a reference to the local operator

template<class EG >
bool	skipEntity (const EG &eg) const

template<class IG >
bool	skipIntersection (const IG &ig) const

void	setTime (Real time_)

RangeField	weight () const
	Obtain the weight that was set last.

void	setWeight (RangeField weight)
	Notifies the assembler about the current weight of assembling.

bool	doPreProcessing () const
	Query whether to do preprocessing in the engines. More...

void	preProcessing (bool v)

bool	doPostProcessing () const
	Query whether to do postprocessing in the engines. More...

void	postProcessing (bool v)

const GO::Traits::TrialGridFunctionSpaceConstraints &	trialConstraints () const
	get the constraints on the trial grid function space

const GO::Traits::TestGridFunctionSpaceConstraints &	testConstraints () const
	get the constraints on the test grid function space

std::enable_if< AlwaysTrue< X >::value &&!std::is_same< GO::Traits::TestGridFunctionSpaceConstraints, EmptyTransformation >::value >::type	forwardtransform (X &x, const bool postrestrict=false) const
	Transforms a vector $\boldsymbol{x}$ from $V$ to $V'$ . If postrestrict == true then $\boldsymbol{R}^T_{\boldsymbol{\tilde U}', \boldsymbol{U}'} \boldsymbol{S}_{\boldsymbol{\tilde V}}$ is applied instead of the full transformation.

std::enable_if< AlwaysTrue< X >::value &&!std::is_same< GO::Traits::TestGridFunctionSpaceConstraints, EmptyTransformation >::value >::type	backtransform (X &x, const bool prerestrict=false) const
	Transforms a vector $\boldsymbol{x}$ from $V'$ to $V$ . If prerestrict == true then $\boldsymbol{S}^T_{\boldsymbol{\tilde U}}$ is applied instead of the full transformation.


void	preStage (Real time_, int r_)


LocalPatternAssemblerEngine &	localPatternAssemblerEngine (typename Traits::MatrixPattern &p)

LocalResidualAssemblerEngine &	localResidualAssemblerEngine (typename Traits::Residual &r, const typename Traits::Solution &x)

LocalJacobianAssemblerEngine &	localJacobianAssemblerEngine (typename Traits::Jacobian &a, const typename Traits::Solution &x)

LocalJacobianApplyAssemblerEngine &	localJacobianApplyAssemblerEngine (const typename Traits::Domain &update, typename Traits::Range &result)

LocalJacobianApplyAssemblerEngine &	localJacobianApplyAssemblerEngine (const typename Traits::Domain &solution, const typename Traits::Domain &update, typename Traits::Range &result)

Static Public Member Functions

static constexpr bool	doAlphaVolume ()
	Query methods for the assembler engines. Theses methods do not belong to the assembler interface, but simplify the implementations of query methods in the engines;.

Protected Member Functions
void	eread (const GCView &globalcontainer_view, LocalMatrix< T > &localcontainer) const
	read local stiffness matrix for entity

void	ewrite (const LocalMatrix< T > &localcontainer, GCView &globalcontainer_view) const
	write local stiffness matrix for entity

void	eadd (const LocalMatrix< T > &localcontainer, GCView &globalcontainer_view) const
	write local stiffness matrix for entity

std::enable_if< AlwaysTrue< M >::value &&!std::is_same< GO::Traits::TestGridFunctionSpaceConstraints, EmptyTransformation >::value >::type	scatter_jacobian (M &local_container, GCView &global_container_view, bool symmetric_mode) const
	Scatter local jacobian to global container.

void	etadd_symmetric (M &localcontainer, GCView &globalcontainer_view) const
	Add local matrix to global matrix, and apply Dirichlet constraints in a symmetric fashion. Apart from that, identical to etadd().

void	add_entry (P &globalpattern, const LFSVIndices &lfsv_indices, Index i, const LFSUIndices &lfsu_indices, Index j) const
	Adding matrix entry to pattern with respect to the constraints contributions. This assembles the entries addressed by etadd(..). See the documentation there for more information about the matrix pattern.

void	set_trivial_rows (const GFSV &gfsv, GC &globalcontainer, const C &c) const
	insert dirichlet constraints for row and assemble T^T_U in constrained rows

typedef DefaultLocalPatternAssemblerEngine< DefaultLocalAssembler >	LocalPatternAssemblerEngine

Detailed Description

template<typename GO, typename LOP, bool nonoverlapping_mode = false>
class Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >

The local assembler for DUNE grids.

Template Parameters

GFSU	GridFunctionSpace for ansatz functions
GFSV	GridFunctionSpace for test functions
X	The solution vector representation type
R	The residual vector representation type
A	The jacobian matrix representation type
B	The matrix backend
P	The matrix pattern representation type
CU	Constraints maps for the individual dofs (trial space)
CV	Constraints maps for the individual dofs (test space)

Member Typedef Documentation

◆ LFSU

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

typedef Dune::PDELab::LocalFunctionSpace<GFSU, Dune::PDELab::TrialSpaceTag> Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::LFSU

The local function spaces

◆ LocalPatternAssemblerEngine

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

typedef DefaultLocalPatternAssemblerEngine<DefaultLocalAssembler> Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::LocalPatternAssemblerEngine

The local assembler engines

Member Function Documentation

◆ doPostProcessing()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

bool Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::doPostProcessing ( ) const

inline

Query whether to do postprocessing in the engines.

This method is used by the engines.

◆ doPreProcessing()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

bool Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::doPreProcessing ( ) const

inline

Query whether to do preprocessing in the engines.

This method is used by the engines.

◆ localJacobianApplyAssemblerEngine() [1/2]

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

LocalJacobianApplyAssemblerEngine & Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::localJacobianApplyAssemblerEngine	(	const typename Traits::Domain &	solution,
		const typename Traits::Domain &	update,
		typename Traits::Range &	result
	)

inline

Returns a reference to the requested engine. This engine is completely configured and ready to use.

◆ localJacobianApplyAssemblerEngine() [2/2]

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

LocalJacobianApplyAssemblerEngine & Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::localJacobianApplyAssemblerEngine	(	const typename Traits::Domain &	update,
		typename Traits::Range &	result
	)

inline

Returns a reference to the requested engine. This engine is completely configured and ready to use.

Referenced by Dune::PDELab::GridOperator< GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV >::jacobian_apply(), and Dune::PDELab::GridOperator< GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV >::nonlinear_jacobian_apply().

◆ localJacobianAssemblerEngine()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

LocalJacobianAssemblerEngine & Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::localJacobianAssemblerEngine	(	typename Traits::Jacobian &	a,
		const typename Traits::Solution &	x
	)

inline

Returns a reference to the requested engine. This engine is completely configured and ready to use.

References Dune::PDELab::DefaultLocalJacobianAssemblerEngine< LA >::setJacobian(), and Dune::PDELab::DefaultLocalJacobianAssemblerEngine< LA >::setSolution().

Referenced by Dune::PDELab::GridOperator< GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV >::jacobian().

◆ localPatternAssemblerEngine()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

LocalPatternAssemblerEngine & Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::localPatternAssemblerEngine ( typename Traits::MatrixPattern & p )

inline

Access methods which provid "ready to use" engines Returns a reference to the requested engine. This engine is completely configured and ready to use.

References Dune::PDELab::DefaultLocalPatternAssemblerEngine< LA >::setPattern().

Referenced by Dune::PDELab::GridOperator< GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV >::fill_pattern().

◆ localResidualAssemblerEngine()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

LocalResidualAssemblerEngine & Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::localResidualAssemblerEngine	(	typename Traits::Residual &	r,
		const typename Traits::Solution &	x
	)

inline

Returns a reference to the requested engine. This engine is completely configured and ready to use.

References Dune::PDELab::DefaultLocalResidualAssemblerEngine< LA >::setResidual(), and Dune::PDELab::DefaultLocalResidualAssemblerEngine< LA >::setSolution().

Referenced by Dune::PDELab::GridOperator< GFSU, GFSV, LOP, MB, DF, RF, JF, CU, CV >::residual().

◆ postProcessing()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

void Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::postProcessing ( bool v )

inline

This method allows to set the behavior with regard to any postprocessing within the engines. It is called by the setupGridOperators() method of the GridOperator and should not be called directly.

◆ preProcessing()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

void Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::preProcessing ( bool v )

inline

This method allows to set the behavior with regard to any preprocessing within the engines. It is called by the setupGridOperators() method of the GridOperator and should not be called directly.

◆ preStage()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

void Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::preStage	(	Real	time_,
		int	r_
	)

inline

Time stepping interface

◆ setTime()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

void Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::setTime ( Real time_ )

inline

Notifies the local assembler about the current time of assembling. Should be called before assembling if the local operator has time dependencies.

◆ skipEntity()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

template<class EG >

bool Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::skipEntity ( const EG & eg ) const

inline

Assemble on a given cell without function spaces.

Returns: If true, the assembling for this cell is assumed to be complete and the assembler continues with the next grid cell.

◆ skipIntersection()

template<typename GO , typename LOP , bool nonoverlapping_mode = false>

template<class IG >

bool Dune::PDELab::DefaultLocalAssembler< GO, LOP, nonoverlapping_mode >::skipIntersection ( const IG & ig ) const

inline

Assemble on a given intersection without function spaces.

Returns: If true, the assembling for this intersection is assumed to be complete and the assembler continues with the next grid intersection.

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

dune/pdelab/gridoperator/default/localassembler.hh

DUNE Distributed and Unified Numerics Environment

DUNE PDELab (unstable)

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Detailed Description

Member Typedef Documentation

◆ LFSU

◆ LocalPatternAssemblerEngine

Member Function Documentation

◆ doPostProcessing()

◆ doPreProcessing()

◆ localJacobianApplyAssemblerEngine() [1/2]

◆ localJacobianApplyAssemblerEngine() [2/2]

◆ localJacobianAssemblerEngine()

◆ localPatternAssemblerEngine()

◆ localResidualAssemblerEngine()

◆ postProcessing()

◆ preProcessing()

◆ preStage()

◆ setTime()

◆ skipEntity()

◆ skipIntersection()