libMesh::RBEIMAssembly Class Reference

#include <rb_eim_assembly.h>

Inheritance diagram for libMesh::RBEIMAssembly:

Public Member Functions
	RBEIMAssembly (RBEIMConstruction &rb_eim_con_in, unsigned int basis_function_index_in)
virtual	~RBEIMAssembly ()
virtual void	evaluate_basis_function (unsigned int var, const Elem &element, const QBase &element_qrule, std::vector< Number > &values)
RBEIMConstruction &	get_rb_eim_construction ()
NumericVector< Number > &	get_ghosted_basis_function ()
FEBase &	get_fe ()
virtual void	interior_assembly (FEMContext &)
virtual void	boundary_assembly (FEMContext &)
virtual void	get_nodal_values (std::vector< dof_id_type > &, DenseMatrix< Number > &, DenseVector< Number > &, const System &, const Node &)

Static Public Member Functions
static std::string	get_info ()
static void	print_info (std::ostream &out=libMesh::out)
static unsigned int	n_objects ()
static void	enable_print_counter_info ()
static void	disable_print_counter_info ()

Protected Types
typedef std::map< std::string, std::pair< unsigned int, unsigned int > >	Counts

Protected Member Functions
void	increment_constructor_count (const std::string &name)
void	increment_destructor_count (const std::string &name)

Static Protected Attributes
static Counts	_counts
static Threads::atomic< unsigned int >	_n_objects
static Threads::spin_mutex	_mutex
static bool	_enable_print_counter = true

Private Member Functions
void	initialize_fe ()

Private Attributes
RBEIMConstruction &	_rb_eim_con
unsigned int	_basis_function_index
std::unique_ptr< NumericVector< Number > >	_ghosted_basis_function
std::unique_ptr< FEBase >	_fe
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 &  )

inlinevirtualinherited

Perform the element boundary assembly.

Definition at line 62 of file elem_assembly.h.

{ }

disable_print_counter_info()

void libMesh::ReferenceCounter::disable_print_counter_info ( )

staticinherited

Definition at line 106 of file reference_counter.C.

References libMesh::ReferenceCounter::_enable_print_counter.

Referenced by libMesh::LibMeshInit::LibMeshInit().

{
  _enable_print_counter = false;
  return;
}

enable_print_counter_info()

void libMesh::ReferenceCounter::enable_print_counter_info ( )

staticinherited

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

Definition at line 100 of file reference_counter.C.

References libMesh::ReferenceCounter::_enable_print_counter.

{
  _enable_print_counter = true;
  return;
}

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.

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()

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

staticinherited

Gets a string containing the reference information.

Definition at line 47 of file reference_counter.C.

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

Referenced by libMesh::ReferenceCounter::print_info().

{
#if defined(LIBMESH_ENABLE_REFERENCE_COUNTING) && defined(DEBUG)

  std::ostringstream oss;

  oss << '\n'
      << " ---------------------------------------------------------------------------- \n"
      << "| Reference count information                                                |\n"
      << " ---------------------------------------------------------------------------- \n";

  for (const auto & pr : _counts)
    {
      const std::string name(pr.first);
      const unsigned int creations    = pr.second.first;
      const unsigned int destructions = pr.second.second;

      oss << "| " << name << " reference count information:\n"
          << "|  Creations:    " << creations    << '\n'
          << "|  Destructions: " << destructions << '\n';
    }

  oss << " ---------------------------------------------------------------------------- \n";

  return oss.str();

#else

  return "";

#endif
}

get_nodal_values()

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

inlinevirtualinherited

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 )

inlineprotectedinherited

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 )

inlineprotectedinherited

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 &  )

inlinevirtualinherited

Perform the element interior assembly.

Definition at line 57 of file elem_assembly.h.

{ }

n_objects()

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

inlinestaticinherited

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.

  { return _n_objects; }

print_info()

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

staticinherited

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

Definition at line 87 of file reference_counter.C.

References libMesh::ReferenceCounter::_enable_print_counter, and libMesh::ReferenceCounter::get_info().

{
  if (_enable_print_counter)
    out_stream << ReferenceCounter::get_info();
}

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

ReferenceCounter::Counts libMesh::ReferenceCounter::_counts

staticprotectedinherited

Actually holds the data.

Definition at line 122 of file reference_counter.h.

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

_enable_print_counter

bool libMesh::ReferenceCounter::_enable_print_counter = true

staticprotectedinherited

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

Definition at line 141 of file reference_counter.h.

Referenced by libMesh::ReferenceCounter::disable_print_counter_info(), libMesh::ReferenceCounter::enable_print_counter_info(), and libMesh::ReferenceCounter::print_info().

_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.

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

• rb_eim_assembly.h