libMesh
Public Member Functions | Static Public Member Functions | Protected Types | Protected Member Functions | Static Protected Attributes | List of all members
A1 Struct Reference

#include <assembly.h>

Inheritance diagram for A1:
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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 interior_assembly (FEMContext &c)
 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...
 

Detailed Description

Definition at line 69 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 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()

◆ 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() [1/4]

virtual void A1::interior_assembly ( FEMContext )
virtual

Perform the element interior assembly.

Reimplemented from libMesh::ElemAssembly.

Definition at line 72 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().

73  {
74  const unsigned int u_var = 0;
75 
76  FEBase * elem_fe = nullptr;
77  c.get_element_fe(u_var, elem_fe);
78 
79  const std::vector<Real> & JxW = elem_fe->get_JxW();
80 
81  const std::vector<std::vector<Real>> & phi = elem_fe->get_phi();
82 
83  const std::vector<std::vector<RealGradient>> & dphi = elem_fe->get_dphi();
84 
85  // The number of local degrees of freedom in each variable
86  const unsigned int n_u_dofs = c.get_dof_indices(u_var).size();
87 
88  // Now we will build the affine operator
89  unsigned int n_qpoints = c.get_element_qrule().n_points();
90 
91  for (unsigned int qp=0; qp != n_qpoints; qp++)
92  for (unsigned int i=0; i != n_u_dofs; i++)
93  for (unsigned int j=0; j != n_u_dofs; j++)
94  c.get_elem_jacobian()(i,j) += JxW[qp] * dphi[j][qp](0)*phi[i][qp];
95  }
FEGenericBase< Real > FEBase

◆ interior_assembly() [2/4]

virtual void A1::interior_assembly ( FEMContext )
virtual

Perform the element interior assembly.

Reimplemented from libMesh::ElemAssembly.

Definition at line 100 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().

101  {
102  const unsigned int u_var = 0;
103 
104  FEBase * elem_fe = nullptr;
105  c.get_element_fe(u_var, elem_fe);
106 
107  const std::vector<Real> & JxW = elem_fe->get_JxW();
108 
109  const std::vector<std::vector<Real>> & phi = elem_fe->get_phi();
110 
111  const std::vector<std::vector<RealGradient>> & dphi = elem_fe->get_dphi();
112 
113  // The number of local degrees of freedom in each variable
114  const unsigned int n_u_dofs = c.get_dof_indices(u_var).size();
115 
116  // Now we will build the affine operator
117  unsigned int n_qpoints = c.get_element_qrule().n_points();
118 
119  for (unsigned int qp=0; qp != n_qpoints; qp++)
120  for (unsigned int i=0; i != n_u_dofs; i++)
121  for (unsigned int j=0; j != n_u_dofs; j++)
122  c.get_elem_jacobian()(i,j) += JxW[qp] * dphi[j][qp](0)*phi[i][qp];
123  }
FEGenericBase< Real > FEBase

◆ interior_assembly() [3/4]

virtual void A1::interior_assembly ( FEMContext )
virtual

Perform the element interior assembly.

Reimplemented from libMesh::ElemAssembly.

Definition at line 109 of file assembly.h.

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

110  {
111  const unsigned int u_var = 0;
112 
113  FEBase * elem_fe = nullptr;
114  c.get_element_fe(u_var, elem_fe);
115 
116  const std::vector<Real> & JxW = elem_fe->get_JxW();
117 
118  // The velocity shape function gradients at interior
119  // quadrature points.
120  const std::vector<std::vector<RealGradient>> & dphi = elem_fe->get_dphi();
121 
122  // The number of local degrees of freedom in each variable
123  const unsigned int n_u_dofs = c.get_dof_indices(u_var).size();
124 
125  // Now we will build the affine operator
126  unsigned int n_qpoints = c.get_element_qrule().n_points();
127 
128  Real
129  min_x=0.5,
130  max_x=1.;
131 
132  Point centroid = c.get_elem().centroid();
133  if ((min_x <= centroid(0)) && (centroid(0) <= max_x))
134  for (unsigned int qp=0; qp != n_qpoints; qp++)
135  for (unsigned int i=0; i != n_u_dofs; i++)
136  for (unsigned int j=0; j != n_u_dofs; j++)
137  c.get_elem_jacobian()(i,j) += JxW[qp] * dphi[j][qp]*dphi[i][qp];
138  }
FEGenericBase< Real > FEBase
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
A Point defines a location in LIBMESH_DIM dimensional Real space.
Definition: point.h:38

◆ interior_assembly() [4/4]

virtual void A1::interior_assembly ( FEMContext )
virtual

Perform the element interior assembly.

Reimplemented from libMesh::ElemAssembly.

Definition at line 149 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().

150  {
151  const unsigned int p_var = 0;
152 
153  FEBase * elem_fe = nullptr;
154  c.get_element_fe(p_var, elem_fe);
155 
156  const std::vector<Real> & JxW = elem_fe->get_JxW();
157 
158  const std::vector<std::vector<Real>> & phi = elem_fe->get_phi();
159 
160  // The number of local degrees of freedom in each variable
161  const unsigned int n_p_dofs = c.get_dof_indices(p_var).size();
162 
163  // Now we will build the affine operator
164  unsigned int n_qpoints = c.get_element_qrule().n_points();
165 
166  for (unsigned int qp=0; qp != n_qpoints; qp++)
167  for (unsigned int i=0; i != n_p_dofs; i++)
168  for (unsigned int j=0; j != n_p_dofs; j++)
169  c.get_elem_jacobian()(i,j) += JxW[qp] * (phi[j][qp]*phi[i][qp]);
170  }
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: