Flow123d
master-f44eb46
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#include <dofhandler.hh>
Public Member Functions | |
SubDOFHandlerMultiDim (std::shared_ptr< DOFHandlerMultiDim > dh, unsigned int component_idx) | |
Creates a new dof handler for a component of FESystem. More... | |
void | update_subvector (const VectorMPI &vec, VectorMPI &subvec) |
Update values in subvector from parent vector. More... | |
void | update_parent_vector (VectorMPI &vec, const VectorMPI &subvec) |
Update values in parent vector from values of subvector. More... | |
const std::vector< LongIdx > & | parent_indices () |
Local indices in the parent handler. More... | |
Public Member Functions inherited from DOFHandlerMultiDim | |
DOFHandlerMultiDim (MeshBase &_mesh, bool make_elem_part=true) | |
Constructor. More... | |
void | distribute_dofs (std::shared_ptr< DiscreteSpace > ds) |
Distributes degrees of freedom on the mesh needed for the given discrete space. More... | |
std::shared_ptr< DOFHandlerMultiDim > | sequential () |
Returns sequential version of the current dof handler. More... | |
std::shared_ptr< VecScatter > | sequential_scatter () |
Returns scatter context from parallel to sequential vectors. More... | |
virtual VectorMPI | create_vector () |
Allocates PETSc vector according to the dof distribution. More... | |
LongIdx | edge_index (int loc_edg) const |
Returns the global index of local edge. More... | |
LongIdx | nb_index (int loc_nb) const |
Returns the global index of local neighbour. More... | |
unsigned int | n_loc_edges () const |
Returns number of local edges. More... | |
unsigned int | n_loc_nb () const |
Returns number of local neighbours. More... | |
void | print () const |
Output structure of dof handler. More... | |
std::size_t | hash () const override |
Range< DHCellAccessor > | own_range () const |
Returns range of DOF handler cells (only range of own without ghost cells) More... | |
Range< DHCellAccessor > | local_range () const |
Returns range over own and ghost cells of DOF handler. More... | |
Range< DHCellAccessor > | ghost_range () const |
Returns range over ghosts DOF handler cells. More... | |
unsigned int | n_own_cells () const |
Return size of own range (number of own cells) More... | |
unsigned int | n_local_cells () const |
Return size of local range (number of local cells) More... | |
unsigned int | n_ghost_cells () const |
Return size of ghost range (number of ghost cells) More... | |
const DHCellAccessor | cell_accessor_from_element (unsigned int elm_idx) const |
Return DHCellAccessor appropriate to ElementAccessor of given idx. More... | |
std::shared_ptr< DiscreteSpace > | ds () const |
Return pointer to discrete space for which the handler distributes dofs. More... | |
const std::vector< LongIdx > & | get_local_to_global_map () const |
Get the map between local dof indices and the global ones. More... | |
~DOFHandlerMultiDim () override | |
Destructor. More... | |
Public Member Functions inherited from DOFHandlerBase | |
DOFHandlerBase (MeshBase &_mesh) | |
Constructor. More... | |
unsigned int | n_global_dofs () const |
Getter for the number of all mesh dofs required by the given finite element. More... | |
unsigned int | lsize () const |
Returns the number of dofs on the current process. More... | |
unsigned int | max_elem_dofs () const |
Returns max. number of dofs on one element. More... | |
std::shared_ptr< Distribution > | distr () const |
MeshBase * | mesh () const |
Returns the mesh. More... | |
virtual | ~DOFHandlerBase () |
Destructor. More... | |
Private Member Functions | |
void | receive_sub_ghost_dofs (unsigned int proc, vector< unsigned int > &ghost_dof_proc, map< LongIdx, LongIdx > &global_to_local_dof_idx) |
Get global dof indices of ghost dofs for sub-handler. More... | |
void | send_sub_ghost_dofs (unsigned int proc, const map< LongIdx, LongIdx > &global_to_local_dof_idx) |
Send global indices of dofs that are ghost on other processors. More... | |
Private Attributes | |
std::shared_ptr< DOFHandlerMultiDim > | parent_ |
Parent dof handler. More... | |
unsigned int | fe_idx_ |
Index of FE in parent FESystem. More... | |
std::vector< LongIdx > | parent_dof_idx_ |
Local indices in the parent handler. More... | |
Additional Inherited Members | |
Protected Member Functions inherited from DOFHandlerMultiDim | |
bool | el_is_local (int index) const |
void | make_elem_partitioning () |
Prepare parallel distribution of elements, edges and neighbours. More... | |
void | init_cell_starts () |
Initialize vector of starting indices for elements. More... | |
void | init_dof_starts (std::vector< LongIdx > &node_dof_starts, std::vector< LongIdx > &edge_dof_starts) |
Initialize auxiliary vector of starting indices of nodal/edge dofs. More... | |
void | init_status (std::vector< short int > &node_status, std::vector< short int > &edge_status) |
Initialize node_status and edge_status. More... | |
void | receive_ghost_dofs (unsigned int proc, std::vector< LongIdx > &dofs) |
Obtain dof numbers on ghost elements from other processor. More... | |
void | send_ghost_dofs (unsigned int proc) |
Send dof numbers to other processor. More... | |
void | update_local_dofs (unsigned int proc, const std::vector< bool > &update_cells, const std::vector< LongIdx > &dofs, const std::vector< LongIdx > &node_dof_starts, std::vector< LongIdx > &node_dofs, const std::vector< LongIdx > &edge_dof_starts, std::vector< LongIdx > &edge_dofs) |
Update dofs on local elements from ghost element dofs. More... | |
void | create_sequential () |
Communicate local dof indices to all processors and create new sequential dof handler. More... | |
unsigned int | get_dof_indices (const DHCellAccessor &cell, std::vector< LongIdx > &indices) const override |
Returns the global indices of dofs associated to the cell . More... | |
LocDofVec | get_loc_dof_indices (unsigned int loc_ele_idx) const override |
Returns the indices of dofs associated to the cell on the local process. More... | |
Protected Attributes inherited from DOFHandlerMultiDim | |
std::shared_ptr< DiscreteSpace > | ds_ |
Pointer to the discrete space for which the handler distributes dofs. More... | |
bool | is_parallel_ |
Indicator for parallel/sequential dof handler. More... | |
std::shared_ptr< DOFHandlerMultiDim > | dh_seq_ |
Sequential dof handler associated to the current (parallel) one. More... | |
std::shared_ptr< VecScatter > | scatter_to_seq_ |
Scatter context for parallel to sequential vectors. More... | |
std::vector< LongIdx > | cell_starts |
Starting indices for local (owned+ghost) element dofs. More... | |
std::vector< IntIdx > | dof_indices |
Dof numbers on local and ghost elements. More... | |
std::vector< LongIdx > | local_to_global_dof_idx_ |
Maps local and ghost dof indices to global ones. More... | |
std::unordered_map< LongIdx, LongIdx > | global_to_local_el_idx_ |
Maps global element index into local/ghost index (obsolete). More... | |
Distribution * | el_ds_ |
Distribution of elements. More... | |
vector< LongIdx > | edg_4_loc |
Local edge index -> global edge index. More... | |
vector< LongIdx > | nb_4_loc |
Local neighbour index -> global neighbour index. More... | |
vector< LongIdx > | ghost_4_loc |
Indices of ghost cells (neighbouring with local elements). More... | |
set< unsigned int > | ghost_proc |
Processors of ghost elements. More... | |
map< unsigned int, vector< LongIdx > > | ghost_proc_el |
Arrays of ghost cells for each neighbouring processor. More... | |
bool | distribute_edge_dofs |
Temporary flag which prevents using dof handler on meshes where edges are not allocated (currently BCMesh). More... | |
Protected Attributes inherited from DOFHandlerBase | |
unsigned int | n_global_dofs_ |
Number of global dofs assigned by the handler. More... | |
unsigned int | lsize_ |
Number of dofs associated to local process. More... | |
unsigned int | loffset_ |
Index of the first dof on the local process. More... | |
unsigned int | max_elem_dofs_ |
Max. number of dofs per element. More... | |
MeshBase * | mesh_ |
Pointer to the mesh to which the dof handler is associated. More... | |
std::shared_ptr< Distribution > | dof_ds_ |
Distribution of dofs associated to local process. More... | |
Static Protected Attributes inherited from DOFHandlerMultiDim | |
static const int | INVALID_NFACE = 1 |
static const int | VALID_NFACE = 2 |
static const int | ASSIGNED_NFACE = 3 |
static const int | INVALID_DOF = -1 |
Definition at line 471 of file dofhandler.hh.
SubDOFHandlerMultiDim::SubDOFHandlerMultiDim | ( | std::shared_ptr< DOFHandlerMultiDim > | dh, |
unsigned int | component_idx | ||
) |
Creates a new dof handler for a component of FESystem.
The component_idx
indicates the index of finite-element from dh
for which the new sub- handler is made. The numbering of dofs in sub-handler is compatible with the original handler.
Definition at line 763 of file dofhandler.cc.
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inline |
Local indices in the parent handler.
Definition at line 499 of file dofhandler.hh.
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private |
Get global dof indices of ghost dofs for sub-handler.
Definition at line 880 of file dofhandler.cc.
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private |
Send global indices of dofs that are ghost on other processors.
Definition at line 910 of file dofhandler.cc.
Update values in parent vector from values of subvector.
vec
Vector aligned with parent dof handler. subvec
Vector aligned with the current sub-handler.
Definition at line 938 of file dofhandler.cc.
Update values in subvector from parent vector.
vec
Vector aligned with the parent dof handler. subvec
Vctor aligned with the current sub-handler.
Definition at line 928 of file dofhandler.cc.
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private |
Index of FE in parent FESystem.
Definition at line 514 of file dofhandler.hh.
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private |
Parent dof handler.
Definition at line 511 of file dofhandler.hh.
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private |
Local indices in the parent handler.
Definition at line 517 of file dofhandler.hh.