PolyDEAL
 
Loading...
Searching...
No Matches
Public Member Functions | Public Attributes | Private Member Functions | Private Attributes | List of all members
Poisson< dim > Class Template Reference

Public Member Functions

 Poisson ()
 
void run ()
 

Public Attributes

double penalty = 3.
 

Private Member Functions

void make_grid ()
 
void setup_agglomeration ()
 
void distribute_jumps_and_averages (FEFaceValues< dim > &fe_face, FEFaceValues< dim > &fe_face1, const typename DoFHandler< dim >::active_cell_iterator &cell, const unsigned int f)
 
void assemble_system ()
 
void solve ()
 
void output_results ()
 

Private Attributes

Triangulation< dim > tria
 
MappingQ< dim > mapping
 
FE_DGQ< dim > dg_fe
 
DoFHandler< dim > classical_dh
 
std::unique_ptr< AgglomerationHandler< dim > > ah
 
SparsityPattern sparsity
 
SparseMatrix< double > system_matrix
 
Vector< double > solution
 
Vector< double > system_rhs
 
std::unique_ptr< GridTools::Cache< dim > > cached_tria
 
std::unique_ptr< const Function< dim > > rhs_function
 

Detailed Description

template<int dim>
class Poisson< dim >

Definition at line 43 of file assembly_check.cc.

Constructor & Destructor Documentation

◆ Poisson()

template<int dim>
Poisson< dim >::Poisson ( )

Definition at line 87 of file assembly_check.cc.

References classical_dh, dg_fe, mapping, and tria.

Member Function Documentation

◆ assemble_system()

template<int dim>
void Poisson< dim >::assemble_system ( )
private

Definition at line 327 of file assembly_check.cc.

References classical_dh, dg_fe, distribute_jumps_and_averages(), FEValues< int dim, int spacedim >::get_quadrature_points(), FEValues< int dim, int spacedim >::JxW(), DoFTools::make_flux_sparsity_pattern(), mapping, FEValues< int dim, int spacedim >::quadrature_point_indices(), FEValues< int dim, int spacedim >::reinit(), rhs_function, FEValues< int dim, int spacedim >::shape_grad(), FEValues< int dim, int spacedim >::shape_value(), solution, sparsity, system_matrix, and system_rhs.

Referenced by run().

◆ distribute_jumps_and_averages()

template<int dim>
void Poisson< dim >::distribute_jumps_and_averages ( FEFaceValues< dim > & fe_face,
FEFaceValues< dim > & fe_face1,
const typename DoFHandler< dim >::active_cell_iterator & cell,
const unsigned int f )
private

Definition at line 175 of file assembly_check.cc.

References classical_dh, FEFaceValues< int dim, int spacedim >::dofs_per_cell, FEFaceValues< int dim, int spacedim >::get_normal_vectors(), FEFaceValues< int dim, int spacedim >::JxW(), penalty, FEFaceValues< int dim, int spacedim >::quadrature_point_indices(), FEFaceValues< int dim, int spacedim >::reinit(), FEFaceValues< int dim, int spacedim >::shape_grad(), FEFaceValues< int dim, int spacedim >::shape_value(), and system_matrix.

Referenced by assemble_system().

◆ make_grid()

template<int dim>
void Poisson< dim >::make_grid ( )
private

Definition at line 95 of file assembly_check.cc.

References cached_tria, classical_dh, dg_fe, GridGenerator::hyper_cube(), mapping, rhs_function, and tria.

Referenced by run().

◆ output_results()

template<int dim>
void Poisson< dim >::output_results ( )
private

Definition at line 637 of file assembly_check.cc.

References DataOut< int dim, int spacedim >::add_data_vector(), DataOut< int dim, int spacedim >::attach_dof_handler(), DataOut< int dim, int spacedim >::build_patches(), classical_dh, mapping, solution, DataOut< int dim, int spacedim >::type_dof_data, and DataOut< int dim, int spacedim >::write_vtu().

Referenced by run().

◆ run()

template<int dim>
void Poisson< dim >::run ( )

Definition at line 652 of file assembly_check.cc.

References assemble_system(), make_grid(), output_results(), solve(), and system_matrix.

Referenced by main().

◆ setup_agglomeration()

template<int dim>
void Poisson< dim >::setup_agglomeration ( )
private

Definition at line 109 of file assembly_check.cc.

References ah, dealii::PolyUtils::collect_cells_for_agglomeration(), dg_fe, sparsity, tria, and GridOut::write_vtk().

◆ solve()

template<int dim>
void Poisson< dim >::solve ( )
private

Definition at line 626 of file assembly_check.cc.

References SparseDirectUMFPACK::initialize(), solution, system_matrix, system_rhs, and SparseDirectUMFPACK::vmult().

Referenced by run().

Member Data Documentation

◆ ah

template<int dim>
std::unique_ptr<AgglomerationHandler<dim> > Poisson< dim >::ah
private

Definition at line 68 of file assembly_check.cc.

Referenced by setup_agglomeration().

◆ cached_tria

template<int dim>
std::unique_ptr<GridTools::Cache<dim> > Poisson< dim >::cached_tria
private

Definition at line 73 of file assembly_check.cc.

Referenced by make_grid().

◆ classical_dh

template<int dim>
DoFHandler<dim> Poisson< dim >::classical_dh
private

Definition at line 67 of file assembly_check.cc.

Referenced by assemble_system(), distribute_jumps_and_averages(), make_grid(), output_results(), and Poisson().

◆ dg_fe

template<int dim>
FE_DGQ<dim> Poisson< dim >::dg_fe
private

Definition at line 66 of file assembly_check.cc.

Referenced by assemble_system(), make_grid(), Poisson(), and setup_agglomeration().

◆ mapping

template<int dim>
MappingQ<dim> Poisson< dim >::mapping
private

Definition at line 65 of file assembly_check.cc.

Referenced by assemble_system(), make_grid(), output_results(), and Poisson().

◆ penalty

template<int dim>
double Poisson< dim >::penalty = 3.

Definition at line 81 of file assembly_check.cc.

Referenced by distribute_jumps_and_averages().

◆ rhs_function

template<int dim>
std::unique_ptr<const Function<dim> > Poisson< dim >::rhs_function
private

Definition at line 74 of file assembly_check.cc.

Referenced by assemble_system(), and make_grid().

◆ solution

template<int dim>
Vector<double> Poisson< dim >::solution
private

Definition at line 71 of file assembly_check.cc.

Referenced by assemble_system(), output_results(), and solve().

◆ sparsity

template<int dim>
SparsityPattern Poisson< dim >::sparsity
private

Definition at line 69 of file assembly_check.cc.

Referenced by assemble_system(), and setup_agglomeration().

◆ system_matrix

template<int dim>
SparseMatrix<double> Poisson< dim >::system_matrix
private

Definition at line 70 of file assembly_check.cc.

Referenced by assemble_system(), distribute_jumps_and_averages(), run(), and solve().

◆ system_rhs

template<int dim>
Vector<double> Poisson< dim >::system_rhs
private

Definition at line 72 of file assembly_check.cc.

Referenced by assemble_system(), and solve().

◆ tria

template<int dim>
Triangulation<dim> Poisson< dim >::tria
private

Definition at line 64 of file assembly_check.cc.

Referenced by make_grid(), Poisson(), and setup_agglomeration().

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