galerkin_equal_order/space_time_unsteady_heat_block_preconditionable_elements.cc

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// LIC// ====================================================================
// LIC// This file forms part of oomph-lib, the object-oriented,
// LIC// multi-physics finite-element library, available
// LIC// at http://www.oomph-lib.org.
// LIC//
// LIC// Copyright (C) 2006-2024 Matthias Heil and Andrew Hazel
// LIC//
// LIC// This library is free software; you can redistribute it and/or
// LIC// modify it under the terms of the GNU Lesser General Public
// LIC// License as published by the Free Software Foundation; either
// LIC// version 2.1 of the License, or (at your option) any later version.
// LIC//
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// LIC// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// LIC// Lesser General Public License for more details.
// LIC//
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// LIC// The authors may be contacted at oomph-lib@maths.man.ac.uk.
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// LIC//====================================================================
// Non-inline functions for BlockPrecSpaceTimeUnsteadyHeat elements
#include "space_time_unsteady_heat_block_preconditionable_elements.h"
 
/// /////////////////////////////////////////////////////////////////////////
/// /////////////////////////////////////////////////////////////////////////
/// /////////////////////////////////////////////////////////////////////////
 
namespace oomph
{
  //=====start_of_setup=========================================================
  /// The setup function...
  //============================================================================
  template<unsigned SPATIAL_DIM, unsigned NNODE_1D>
  void BlockPrecQUnsteadyHeatSpaceTimeElement<SPATIAL_DIM, NNODE_1D>::
    get_dof_numbers_for_unknowns(
      std::list<std::pair<unsigned long, unsigned>>& dof_lookup_list) const
  {
    // Number of nodes
    unsigned n_node = this->nnode();
 
    // Temporary pair (used to store dof lookup prior to being added to list)
    std::pair<unsigned, unsigned> dof_lookup;
 
    // Loop over the nodes but ignore the nodes on the first local time-slice
    // because their dof number will either be set by elements from the
    // previous space-time slab (including on time-periodic meshes) or they'll
    // be pinned through an initial condition.
    for (unsigned i = NNODE_1D * NNODE_1D; i < n_node; i++)
    {
      // Find the index at which the variable is stored
      unsigned u_nodal_index = this->u_index_ust_heat();
 
      // Determine local eqn number
      int local_eqn_number = this->nodal_local_eqn(i, u_nodal_index);
 
      // Ignore pinned values - far away degrees of freedom resulting
      // from hanging nodes can be ignored since these are be dealt
      // with by the element containing their master nodes
      if (local_eqn_number >= 0)
      {
        // Store dof lookup in temporary pair: Global equation number
        // is the first entry in pair
        dof_lookup.first = this->eqn_number(local_eqn_number);
 
        // Set dof numbers: dof number is the second entry in pair
        dof_lookup.second = (this->Time_slab_id);
 
        // Add to list
        dof_lookup_list.push_front(dof_lookup);
      } // if (local_eqn_number>=0)
    } // for (unsigned i=NNODE_1D*NNODE_1D; i<n_node; i++)
  } // End of get_dof_numbers_for_unknowns
 
 
  //=====start_of_setup=========================================================
  /// The setup function...
  //============================================================================
  template<unsigned SPATIAL_DIM, unsigned NNODE_1D>
  void BlockPrecRefineableQUnsteadyHeatSpaceTimeElement<SPATIAL_DIM, NNODE_1D>::
    get_dof_numbers_for_unknowns(
      std::list<std::pair<unsigned long, unsigned>>& dof_lookup_list) const
  {
    // Number of nodes
    unsigned n_node = this->nnode();
 
    // Temporary pair (used to store dof lookup prior to being added to list)
    std::pair<unsigned, unsigned> dof_lookup;
 
    // Loop over the nodes but ignore the nodes on the first local time-slice
    // because their dof number will either be set by elements from the
    // previous space-time slab (including on time-periodic meshes) or they'll
    // be pinned through an initial condition.
    for (unsigned i = NNODE_1D * NNODE_1D; i < n_node; i++)
    {
      // Find the index at which the variable is stored
      unsigned u_nodal_index = this->u_index_ust_heat();
 
      // Determine local eqn number
      int local_eqn_number = this->nodal_local_eqn(i, u_nodal_index);
 
      // Ignore pinned values - far away degrees of freedom resulting
      // from hanging nodes can be ignored since these are be dealt
      // with by the element containing their master nodes
      if (local_eqn_number >= 0)
      {
        // Store dof lookup in temporary pair: Global equation number
        // is the first entry in pair
        dof_lookup.first = this->eqn_number(local_eqn_number);
 
        // Set dof numbers: dof number is the second entry in pair
        dof_lookup.second = (this->Time_slab_id);
 
        // Add to list
        dof_lookup_list.push_front(dof_lookup);
      } // if (local_eqn_number>=0)
    } // for (unsigned i=NNODE_1D*NNODE_1D; i<n_node; i++)
  } // End of get_dof_numbers_for_unknowns
 
 
  //====================================================================
  // Force build of templates
  //====================================================================
  template class BlockPrecQUnsteadyHeatSpaceTimeElement<2, 2>;
  template class BlockPrecQUnsteadyHeatSpaceTimeElement<2, 3>;
  template class BlockPrecQUnsteadyHeatSpaceTimeElement<2, 4>;
  template class BlockPrecRefineableQUnsteadyHeatSpaceTimeElement<2, 2>;
  template class BlockPrecRefineableQUnsteadyHeatSpaceTimeElement<2, 3>;
  template class BlockPrecRefineableQUnsteadyHeatSpaceTimeElement<2, 4>;
} // End of namespace oomph