libMesh
Public Member Functions | Static Public Member Functions | Protected Types | Protected Member Functions | Static Protected Attributes | Private Member Functions | Private Attributes | List of all members
libMesh::RBEIMAssembly Class Reference

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 QBase &element_qrule, std::vector< Number > &values)
 Evaluate variable var_number of this object's EIM basis function at the points qpoints. More...
 
RBEIMConstructionget_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...
 
FEBaseget_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 and an associated quadrature rule. More...
 
std::unique_ptr< QBase_qrule
 

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 QBase element_qrule,
std::vector< Number > &  values 
)
virtual

Evaluate variable var_number of this object's EIM basis function at the points qpoints.

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.

74  {
75  // Do nothing by default
76  }

◆ 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().

182 {
183  Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
184  std::pair<unsigned int, unsigned int> & p = _counts[name];
185 
186  p.first++;
187 }
std::string name(const ElemQuality q)
static Counts _counts
Actually holds the data.
spin_mutex spin_mtx
A convenient spin mutex object which can be used for obtaining locks.

◆ 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().

195 {
196  Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
197  std::pair<unsigned int, unsigned int> & p = _counts[name];
198 
199  p.second++;
200 }
std::string name(const ElemQuality q)
static Counts _counts
Actually holds the data.
spin_mutex spin_mtx
A convenient spin mutex object which can be used for obtaining locks.

◆ initialize_fe()

void libMesh::RBEIMAssembly::initialize_fe ( )
private

Initialize the FE object.

◆ interior_assembly()

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

◆ 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; }
static Threads::atomic< unsigned int > _n_objects
The number of objects.

◆ 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 104 of file rb_eim_assembly.h.

◆ _counts

Counts libMesh::ReferenceCounter::_counts
staticprotectedinherited

◆ _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 and an associated quadrature rule.

Definition at line 116 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 111 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().

◆ _qrule

std::unique_ptr<QBase> libMesh::RBEIMAssembly::_qrule
private

Definition at line 117 of file rb_eim_assembly.h.

◆ _rb_eim_con

RBEIMConstruction& libMesh::RBEIMAssembly::_rb_eim_con
private

The RBEIMConstruction object that this RBEIMAssembly is based on.

Definition at line 99 of file rb_eim_assembly.h.


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