libMesh
Public Member Functions | Static Public Member Functions | Protected Types | Protected Member Functions | Static Protected Attributes | List of all members
A2 Struct Reference

#include <assembly.h>

Inheritance diagram for A2:
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Public Member Functions

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

Detailed Description

Definition at line 98 of file 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.

Member Function Documentation

◆ boundary_assembly()

virtual void A2::boundary_assembly ( FEMContext )
virtual

Perform the element boundary assembly.

Reimplemented from libMesh::ElemAssembly.

Definition at line 175 of file assembly.h.

References libMesh::DiffContext::get_dof_indices(), libMesh::DiffContext::get_elem_jacobian(), libMesh::FEMContext::get_side_fe(), libMesh::FEMContext::get_side_qrule(), libMesh::FEMContext::has_side_boundary_id(), and libMesh::QBase::n_points().

176  {
177  if (c.has_side_boundary_id(1)) // Forcing on the horn "inlet"
178  {
179  const unsigned int p_var = 0;
180 
181  FEBase * side_fe = nullptr;
182  c.get_side_fe(p_var, side_fe);
183 
184  const std::vector<Real> & JxW_face = side_fe->get_JxW();
185 
186  const std::vector<std::vector<Real>> & phi_face = side_fe->get_phi();
187 
188  // The number of local degrees of freedom in each variable
189  const unsigned int n_p_dofs = c.get_dof_indices(p_var).size();
190 
191  // Now we will build the affine operator
192  unsigned int n_sidepoints = c.get_side_qrule().n_points();
193 
194  for (unsigned int qp=0; qp != n_sidepoints; qp++)
195  for (unsigned int i=0; i != n_p_dofs; i++)
196  for (unsigned int j=0; j != n_p_dofs; j++)
197  c.get_elem_jacobian()(i,j) += JxW_face[qp] * phi_face[j][qp] * phi_face[i][qp];
198  }
199  }
FEGenericBase< Real > FEBase

◆ 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()

◆ 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  }

◆ 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.

◆ interior_assembly() [1/3]

virtual void A2::interior_assembly ( FEMContext )
virtual

Perform the element interior assembly.

Reimplemented from libMesh::ElemAssembly.

Definition at line 101 of file assembly.h.

References libMesh::DiffContext::get_dof_indices(), libMesh::DiffContext::get_elem_jacobian(), libMesh::FEMContext::get_element_fe(), libMesh::FEMContext::get_element_qrule(), and libMesh::QBase::n_points().

102  {
103  const unsigned int u_var = 0;
104 
105  FEBase * elem_fe = nullptr;
106  c.get_element_fe(u_var, elem_fe);
107 
108  const std::vector<Real> & JxW = elem_fe->get_JxW();
109 
110  const std::vector<std::vector<Real>> & phi = elem_fe->get_phi();
111 
112  const std::vector<std::vector<RealGradient>> & dphi = elem_fe->get_dphi();
113 
114  // The number of local degrees of freedom in each variable
115  const unsigned int n_u_dofs = c.get_dof_indices(u_var).size();
116 
117  // Now we will build the affine operator
118  unsigned int n_qpoints = c.get_element_qrule().n_points();
119 
120  for (unsigned int qp=0; qp != n_qpoints; qp++)
121  for (unsigned int i=0; i != n_u_dofs; i++)
122  for (unsigned int j=0; j != n_u_dofs; j++)
123  c.get_elem_jacobian()(i,j) += JxW[qp] * dphi[j][qp](1)*phi[i][qp];
124  }
FEGenericBase< Real > FEBase

◆ interior_assembly() [2/3]

virtual void A2::interior_assembly ( FEMContext )
virtual

Perform the element interior assembly.

Reimplemented from libMesh::ElemAssembly.

Definition at line 129 of file assembly.h.

References libMesh::DiffContext::get_dof_indices(), libMesh::DiffContext::get_elem_jacobian(), libMesh::FEMContext::get_element_fe(), libMesh::FEMContext::get_element_qrule(), and libMesh::QBase::n_points().

130  {
131  const unsigned int u_var = 0;
132 
133  FEBase * elem_fe = nullptr;
134  c.get_element_fe(u_var, elem_fe);
135 
136  const std::vector<Real> & JxW = elem_fe->get_JxW();
137 
138  const std::vector<std::vector<Real>> & phi = elem_fe->get_phi();
139 
140  const std::vector<std::vector<RealGradient>> & dphi = elem_fe->get_dphi();
141 
142  // The number of local degrees of freedom in each variable
143  const unsigned int n_u_dofs = c.get_dof_indices(u_var).size();
144 
145  // Now we will build the affine operator
146  unsigned int n_qpoints = c.get_element_qrule().n_points();
147 
148  for (unsigned int qp=0; qp != n_qpoints; qp++)
149  for (unsigned int i=0; i != n_u_dofs; i++)
150  for (unsigned int j=0; j != n_u_dofs; j++)
151  c.get_elem_jacobian()(i,j) += JxW[qp] * dphi[j][qp](1)*phi[i][qp];
152  }
FEGenericBase< Real > FEBase

◆ interior_assembly() [3/3]

virtual void A2::interior_assembly ( FEMContext )
virtual

Perform the element interior assembly.

Reimplemented from libMesh::ElemAssembly.

Definition at line 144 of file assembly.h.

References libMesh::DiffContext::get_dof_indices(), libMesh::DiffContext::get_elem_jacobian(), libMesh::FEMContext::get_element_fe(), libMesh::FEMContext::get_element_qrule(), and libMesh::QBase::n_points().

145  {
146  const unsigned int u_var = 0;
147 
148  FEBase * elem_fe = nullptr;
149  c.get_element_fe(u_var, elem_fe);
150 
151  const std::vector<Real> & JxW = elem_fe->get_JxW();
152 
153  const std::vector<std::vector<Real>> & phi = elem_fe->get_phi();
154 
155  const std::vector<std::vector<RealGradient>> & dphi = elem_fe->get_dphi();
156 
157  // The number of local degrees of freedom in each variable
158  const unsigned int n_u_dofs = c.get_dof_indices(u_var).size();
159 
160  // Now we will build the affine operator
161  unsigned int n_qpoints = c.get_element_qrule().n_points();
162 
163  for (unsigned int qp=0; qp != n_qpoints; qp++)
164  for (unsigned int i=0; i != n_u_dofs; i++)
165  for (unsigned int j=0; j != n_u_dofs; j++)
166  c.get_elem_jacobian()(i,j) -= JxW[qp] * dphi[i][qp](0)*phi[j][qp];
167  }
FEGenericBase< Real > FEBase

◆ 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

◆ _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.

◆ _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().


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