This class provides functionality required to define an assembly object that arises from an "Empirical Interpolation Method" (EIM) approximation. More...

#include <rb_eim_assembly.h>

Inheritance diagram for libMesh::RBEIMAssembly:

[legend]

Public Member Functions
	RBEIMAssembly (RBEIMConstruction &rb_eim_con_in, unsigned int basis_function_index_in)
	Constructor. More...

virtual	~RBEIMAssembly ()
	Destructor. More...

virtual void	evaluate_basis_function (unsigned int var, const Elem &element, const std::vector< Point > &points, std::vector< Number > &values)
	Evaluate variable `var_number` of this object's EIM basis function at the points `points`, where the points are in reference coordinates. More...

RBEIMConstruction &	get_rb_eim_construction ()
	Get a reference to the RBEIMConstruction object. More...

NumericVector< Number > &	get_ghosted_basis_function ()
	Get a reference to the ghosted_basis_function. More...

FEBase &	get_fe ()
	Retrieve the FE object. More...

virtual void	interior_assembly (FEMContext &)
	Perform the element interior assembly. More...

virtual void	boundary_assembly (FEMContext &)
	Perform the element boundary assembly. More...

virtual void	get_nodal_values (std::vector< dof_id_type > &, DenseMatrix< Number > &, DenseVector< Number > &, const System &, const Node &)
	Get values to add to the matrix or rhs vector based on `node`. More...

Static Public Member Functions
static std::string	get_info ()
	Gets a string containing the reference information. More...

static void	print_info (std::ostream &out=libMesh::out)
	Prints the reference information, by default to `libMesh::out`. More...

static unsigned int	n_objects ()
	Prints the number of outstanding (created, but not yet destroyed) objects. More...

static void	enable_print_counter_info ()
	Methods to enable/disable the reference counter output from print_info() More...

static void	disable_print_counter_info ()

Protected Types
typedef std::map< std::string, std::pair< unsigned int, unsigned int > >	Counts
	Data structure to log the information. More...

Protected Member Functions
void	increment_constructor_count (const std::string &name)
	Increments the construction counter. More...

void	increment_destructor_count (const std::string &name)
	Increments the destruction counter. More...

Static Protected Attributes
static Counts	_counts
	Actually holds the data. More...

static Threads::atomic< unsigned int >	_n_objects
	The number of objects. More...

static Threads::spin_mutex	_mutex
	Mutual exclusion object to enable thread-safe reference counting. More...

static bool	_enable_print_counter
	Flag to control whether reference count information is printed when print_info is called. More...

Private Member Functions
void	initialize_fe ()
	Initialize the FE object. More...

Private Attributes
RBEIMConstruction &	_rb_eim_con
	The RBEIMConstruction object that this RBEIMAssembly is based on. More...

unsigned int	_basis_function_index
	The EIM basis function index (from rb_eim_eval) for this assembly object. More...

std::unique_ptr< NumericVector< Number > >	_ghosted_basis_function
	The basis function that we sample to evaluate the empirical interpolation approximation. More...

std::unique_ptr< FEBase >	_fe
	We store an FE object so we can easily reinit in evaluate_basis_function. More...

Detailed Description

This class provides functionality required to define an assembly object that arises from an "Empirical Interpolation Method" (EIM) approximation.

Author: David J. Knezevic

Date: 2012

Definition at line 50 of file rb_eim_assembly.h.

Member Typedef Documentation

◆ Counts

typedef std::map<std::string, std::pair<unsigned int, unsigned int> > libMesh::ReferenceCounter::Counts

protectedinherited

Data structure to log the information.

The log is identified by the class name.

Definition at line 117 of file reference_counter.h.

Constructor & Destructor Documentation

◆ RBEIMAssembly()

libMesh::RBEIMAssembly::RBEIMAssembly	(	RBEIMConstruction &	rb_eim_con_in,
		unsigned int	basis_function_index_in
	)

Constructor.

◆ ~RBEIMAssembly()

virtual libMesh::RBEIMAssembly::~RBEIMAssembly ( )

virtual

Destructor.

Member Function Documentation

◆ boundary_assembly()

virtual void libMesh::ElemAssembly::boundary_assembly ( FEMContext & )

virtualinherited

Perform the element boundary assembly.

Reimplemented in Output0, F0, A3, AssemblyA2, A2, AssemblyF2, AssemblyF1, AssemblyA1, AssemblyF0, and AssemblyA0.

Definition at line 62 of file elem_assembly.h.

62 { }

◆ disable_print_counter_info()

static void libMesh::ReferenceCounter::disable_print_counter_info ( )

staticinherited

◆ enable_print_counter_info()

static void libMesh::ReferenceCounter::enable_print_counter_info ( )

staticinherited

Methods to enable/disable the reference counter output from print_info()

◆ evaluate_basis_function()

virtual void libMesh::RBEIMAssembly::evaluate_basis_function	(	unsigned int	var,
		const Elem &	element,
		const std::vector< Point > &	points,
		std::vector< Number > &	values
	)

virtual

Evaluate variable var_number of this object's EIM basis function at the points points, where the points are in reference coordinates.

Fill values with the basis function values.

Referenced by EIM_F::interior_assembly(), and AssemblyEIM::interior_assembly().

◆ get_fe()

FEBase& libMesh::RBEIMAssembly::get_fe ( )

Retrieve the FE object.

◆ get_ghosted_basis_function()

NumericVector<Number>& libMesh::RBEIMAssembly::get_ghosted_basis_function ( )

Get a reference to the ghosted_basis_function.

◆ get_info()

static std::string libMesh::ReferenceCounter::get_info ( )

staticinherited

Gets a string containing the reference information.

◆ get_nodal_values()

virtual void libMesh::ElemAssembly::get_nodal_values	(	std::vector< dof_id_type > &	,
		DenseMatrix< Number > &	,
		DenseVector< Number > &	,
		const System &	,
		const Node &
	)

virtualinherited

Get values to add to the matrix or rhs vector based on node.

This allows one to impose point loads or springs, for example.

Definition at line 69 of file elem_assembly.h.

   {
     // Do nothing by default
   }

◆ get_rb_eim_construction()

RBEIMConstruction& libMesh::RBEIMAssembly::get_rb_eim_construction ( )

Get a reference to the RBEIMConstruction object.

◆ increment_constructor_count()

void libMesh::ReferenceCounter::increment_constructor_count ( const std::string & name )

protectedinherited

Increments the construction counter.

Should be called in the constructor of any derived class that will be reference counted.

Definition at line 181 of file reference_counter.h.

References libMesh::ReferenceCounter::_counts, libMesh::Quality::name(), and libMesh::Threads::spin_mtx.

Referenced by libMesh::ReferenceCountedObject< RBParametrized >::ReferenceCountedObject().

 {
   Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
   std::pair<unsigned int, unsigned int> & p = _counts[name];
 
   p.first++;
 }

◆ increment_destructor_count()

void libMesh::ReferenceCounter::increment_destructor_count ( const std::string & name )

protectedinherited

Increments the destruction counter.

Should be called in the destructor of any derived class that will be reference counted.

Definition at line 194 of file reference_counter.h.

References libMesh::ReferenceCounter::_counts, libMesh::Quality::name(), and libMesh::Threads::spin_mtx.

Referenced by libMesh::ReferenceCountedObject< RBParametrized >::~ReferenceCountedObject().

 {
   Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
   std::pair<unsigned int, unsigned int> & p = _counts[name];
 
   p.second++;
 }

◆ initialize_fe()

void libMesh::RBEIMAssembly::initialize_fe ( )

private

Initialize the FE object.

◆ interior_assembly()

virtual void libMesh::ElemAssembly::interior_assembly ( FEMContext & )

virtualinherited

Perform the element interior assembly.

Reimplemented in Ex6EIMInnerProduct, Ex6InnerProduct, AssemblyF1, AssemblyF0, AssemblyEIM, InnerProductAssembly, OutputAssembly, OutputAssembly, F0, OutputAssembly, F0, A1, A2, F0, A2, A0, EIM_F, AssemblyA2, A1, A2, A1, AssemblyA1, AcousticsInnerProduct, EIM_IP_assembly, AssemblyA0, A0, A1, A0, A0, M0, A0, and B.

Definition at line 57 of file elem_assembly.h.

57 { }

◆ n_objects()

static unsigned int libMesh::ReferenceCounter::n_objects ( )

staticinherited

Prints the number of outstanding (created, but not yet destroyed) objects.

Definition at line 83 of file reference_counter.h.

References libMesh::ReferenceCounter::_n_objects.

84 { return _n_objects; }

libMesh::ReferenceCounter::_n_objects

static Threads::atomic< unsigned int > _n_objects

The number of objects.

Definition: reference_counter.h:130

◆ print_info()

static void libMesh::ReferenceCounter::print_info ( std::ostream & out = libMesh::out )

staticinherited

Prints the reference information, by default to libMesh::out.

Member Data Documentation

◆ _basis_function_index

unsigned int libMesh::RBEIMAssembly::_basis_function_index

private

The EIM basis function index (from rb_eim_eval) for this assembly object.

Definition at line 105 of file rb_eim_assembly.h.

◆ _counts

Counts libMesh::ReferenceCounter::_counts

staticprotectedinherited

Actually holds the data.

Definition at line 122 of file reference_counter.h.

Referenced by libMesh::ReferenceCounter::increment_constructor_count(), and libMesh::ReferenceCounter::increment_destructor_count().

◆ _enable_print_counter

bool libMesh::ReferenceCounter::_enable_print_counter

staticprotectedinherited

Flag to control whether reference count information is printed when print_info is called.

Definition at line 141 of file reference_counter.h.

◆ _fe

std::unique_ptr<FEBase> libMesh::RBEIMAssembly::_fe

private

We store an FE object so we can easily reinit in evaluate_basis_function.

Definition at line 117 of file rb_eim_assembly.h.

◆ _ghosted_basis_function

std::unique_ptr<NumericVector<Number> > libMesh::RBEIMAssembly::_ghosted_basis_function

private

The basis function that we sample to evaluate the empirical interpolation approximation.

This will be a GHOSTED vector to facilitate interpolation in the case of multiple processors.

Definition at line 112 of file rb_eim_assembly.h.

◆ _mutex

Threads::spin_mutex libMesh::ReferenceCounter::_mutex

staticprotectedinherited

Mutual exclusion object to enable thread-safe reference counting.

Definition at line 135 of file reference_counter.h.

◆ _n_objects

Threads::atomic<unsigned int> libMesh::ReferenceCounter::_n_objects

staticprotectedinherited

The number of objects.

Print the reference count information when the number returns to 0.

Definition at line 130 of file reference_counter.h.

Referenced by libMesh::ReferenceCounter::n_objects(), libMesh::ReferenceCounter::ReferenceCounter(), and libMesh::ReferenceCounter::~ReferenceCounter().

◆ _rb_eim_con

RBEIMConstruction& libMesh::RBEIMAssembly::_rb_eim_con

private

The RBEIMConstruction object that this RBEIMAssembly is based on.

Definition at line 100 of file rb_eim_assembly.h.

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

include/reduced_basis/rb_eim_assembly.h

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Static Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ Counts

Constructor & Destructor Documentation

◆ RBEIMAssembly()

◆ ~RBEIMAssembly()

Member Function Documentation

◆ boundary_assembly()

◆ disable_print_counter_info()

◆ enable_print_counter_info()

◆ evaluate_basis_function()

◆ get_fe()

◆ get_ghosted_basis_function()

◆ get_info()

◆ get_nodal_values()

◆ get_rb_eim_construction()

◆ increment_constructor_count()

◆ increment_destructor_count()

◆ initialize_fe()

◆ interior_assembly()

◆ n_objects()

◆ print_info()

Member Data Documentation

◆ _basis_function_index

◆ _counts

◆ _enable_print_counter

◆ _fe

◆ _ghosted_basis_function

◆ _mutex

◆ _n_objects

◆ _rb_eim_con