Line data    Source code

       1             : // The libMesh Finite Element Library.
       2             : // Copyright (C) 2002-2026 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
       3             : 
       4             : // This library is free software; you can redistribute it and/or
       5             : // modify it under the terms of the GNU Lesser General Public
       6             : // License as published by the Free Software Foundation; either
       7             : // version 2.1 of the License, or (at your option) any later version.
       8             : 
       9             : // This library is distributed in the hope that it will be useful,
      10             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             : // Lesser General Public License for more details.
      13             : 
      14             : // You should have received a copy of the GNU Lesser General Public
      15             : // License along with this library; if not, write to the Free Software
      16             : // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
      17             : 
      18             : #include "libmesh/static_condensation_dof_map.h"
      19             : 
      20             : #include "libmesh/elem.h"
      21             : #include "libmesh/mesh_base.h"
      22             : 
      23             : namespace libMesh
      24             : {
      25          54 : StaticCondensationDofMap::StaticCondensationDofMap(MeshBase & mesh,
      26             :                                                    System & system,
      27          54 :                                                    const DofMap & dof_map)
      28          90 :   : ReducedDofMap(mesh, system, dof_map, "reduced")
      29             : {
      30             :   libmesh_experimental();
      31          54 : }
      32             : 
      33          54 : StaticCondensationDofMap::~StaticCondensationDofMap() = default;
      34             : 
      35     2472198 : bool StaticCondensationDofMap::retain_field_dof(const Elem & elem,
      36             :                                                 const unsigned int node_num,
      37             :                                                 const unsigned int var_num,
      38             :                                                 dof_id_type /*field_dof*/) const
      39             : {
      40     1648132 :   if (_uncondensed_vars.count(var_num))
      41             :     {
      42         384 :       libmesh_assert_msg(
      43             :           node_num == invalid_uint,
      44             :           "Users should not be providing continuous FEM variables to the uncondensed vars API");
      45         768 :       return true;
      46             :     }
      47             : 
      48     2471046 :   return node_num != invalid_uint && !elem.is_internal(node_num);
      49             : }
      50             : 
      51      590451 : void StaticCondensationDofMap::retained_dof_added(const Elem & elem, const dof_id_type full_dof)
      52             : {
      53      590451 :   auto & dof_data = _elem_to_dof_data[elem.id()];
      54      196817 :   auto & map = dof_data.uncondensed_global_to_local_map;
      55      590451 :   const auto local_number = cast_int<dof_id_type>(map.size());
      56      196817 :   map.emplace(full_dof, local_number);
      57      590451 :   dof_data.uncondensed_parent_dofs.push_back(this->parent_dof(full_dof));
      58      590451 : }
      59             : 
      60      131865 : void StaticCondensationDofMap::unretained_dof_found(const Elem & elem, const dof_id_type full_dof)
      61             : {
      62      131865 :   auto & dof_data = _elem_to_dof_data[elem.id()];
      63       43955 :   auto & map = dof_data.condensed_global_to_local_map;
      64      131865 :   const auto local_number = cast_int<dof_id_type>(map.size());
      65       43955 :   map.emplace(full_dof, local_number);
      66      131865 :   dof_data.condensed_parent_dofs.push_back(this->parent_dof(full_dof));
      67      131865 : }
      68             : 
      69         360 : void StaticCondensationDofMap::reinit()
      70             : {
      71         360 :   ReducedDofMap::reinit();
      72             : 
      73             :   // StaticCondensation expects an entry for every active local element, including those without
      74             :   // any degrees of freedom
      75       63564 :   for (const auto * const elem : _mesh.active_local_element_ptr_range())
      76       47343 :     _elem_to_dof_data[elem->id()];
      77         360 : }
      78             : 
      79         366 : void StaticCondensationDofMap::clear()
      80             : {
      81         366 :   ReducedDofMap::clear();
      82         122 :   _elem_to_dof_data.clear();
      83         122 :   _uncondensed_vars.clear();
      84         366 : }
      85             : }