CartesianMeshAMRMng.cc

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* CartesianMeshAMRMng.cc                                      (C) 2000-2026 */
/*                                                                           */
/* AMR Manager for a Cartesian Mesh.                                         */
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#include "arcane/cartesianmesh/CartesianMeshAMRMng.h"
 
#include "arcane/utils/FatalErrorException.h"
 
#include "arcane/core/IMesh.h"
#include "arcane/core/MeshKind.h"
 
#include "arcane/cartesianmesh/ICartesianMesh.h"
#include "arcane/cartesianmesh/CartesianPatch.h"
#include "arcane/cartesianmesh/CartesianMeshCoarsening2.h"
#include "arcane/cartesianmesh/CartesianMeshPatchListView.h"
#include "arcane/cartesianmesh/CartesianMeshUtils.h"
 
#include "arcane/cartesianmesh/internal/ICartesianMeshInternal.h"
#include "arcane/cartesianmesh/internal/CartesianPatchGroup.h"
 
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namespace Arcane
{
 
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CartesianMeshAMRMng::
CartesianMeshAMRMng(ICartesianMesh* cmesh)
: m_cmesh(cmesh)
{}
 
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Int32 CartesianMeshAMRMng::
nbPatch() const
{
  return m_cmesh->nbPatch();
}
 
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CartesianPatch CartesianMeshAMRMng::
amrPatch(Int32 index) const
{
  return m_cmesh->amrPatch(index);
}
 
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CartesianMeshPatchListView CartesianMeshAMRMng::
patches() const
{
  return m_cmesh->patches();
}
 
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void CartesianMeshAMRMng::
refineZone(const AMRZonePosition& position) const
{
  m_cmesh->refinePatch(position);
}
 
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void CartesianMeshAMRMng::
coarseZone(const AMRZonePosition& position) const
{
  m_cmesh->coarseZone(position);
}
 
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void CartesianMeshAMRMng::
beginAdaptMesh(Int32 max_nb_levels, Int32 level_to_refine_first)
{
  // We calculate the number of overlap cells for each level.
  m_cmesh->_internalApi()->cartesianPatchGroup().beginAdaptMesh(max_nb_levels, level_to_refine_first);
}
 
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void CartesianMeshAMRMng::
adaptLevel(Int32 level_to_adapt, bool do_fatal_if_useless) const
{
  m_cmesh->_internalApi()->cartesianPatchGroup().adaptLevel(level_to_adapt, do_fatal_if_useless);
}
 
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void CartesianMeshAMRMng::
endAdaptMesh()
{
  m_cmesh->_internalApi()->cartesianPatchGroup().endAdaptMesh();
  m_cmesh->_internalApi()->saveInfosInProperties();
}
 
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void CartesianMeshAMRMng::
clearRefineRelatedFlags() const
{
  m_cmesh->_internalApi()->cartesianPatchGroup().clearRefineRelatedFlags();
}
 
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void CartesianMeshAMRMng::
setOverlapLayerSizeTopLevel(Int32 new_size) const
{
  auto amr_type = m_cmesh->mesh()->meshKind().meshAMRKind();
  if (amr_type == eMeshAMRKind::Cell) {
    return;
  }
  m_cmesh->_internalApi()->cartesianPatchGroup().setOverlapLayerSizeTopLevel(new_size);
  m_cmesh->_internalApi()->saveInfosInProperties();
}
 
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void CartesianMeshAMRMng::
disableOverlapLayer()
{
  auto amr_type = m_cmesh->mesh()->meshKind().meshAMRKind();
  if (amr_type == eMeshAMRKind::Cell) {
    return;
  }
  m_cmesh->_internalApi()->cartesianPatchGroup().setOverlapLayerSizeTopLevel(-1);
  m_cmesh->_internalApi()->saveInfosInProperties();
}
 
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Integer CartesianMeshAMRMng::
reduceNbGhostLayers(Integer level, Integer target_nb_ghost_layers) const
{
  return m_cmesh->reduceNbGhostLayers(level, target_nb_ghost_layers);
}
 
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void CartesianMeshAMRMng::
mergePatches() const
{
  auto amr_type = m_cmesh->mesh()->meshKind().meshAMRKind();
  if (amr_type == eMeshAMRKind::Cell) {
    return;
  }
 
  m_cmesh->_internalApi()->cartesianPatchGroup().mergePatches();
  m_cmesh->_internalApi()->saveInfosInProperties();
}
 
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void CartesianMeshAMRMng::
createSubLevel() const
{
  auto amr_type = m_cmesh->mesh()->meshKind().meshAMRKind();
  if (amr_type == eMeshAMRKind::Cell) {
    Ref<CartesianMeshCoarsening2> coarser = CartesianMeshUtils::createCartesianMeshCoarsening2(m_cmesh);
    coarser->createCoarseCells();
  }
  else if (amr_type == eMeshAMRKind::PatchCartesianMeshOnly) {
    m_cmesh->_internalApi()->cartesianPatchGroup().updateLevelsAndAddGroundPatch();
  }
  else if (amr_type == eMeshAMRKind::Patch) {
    ARCANE_FATAL("General patch AMR is not implemented. Please use PatchCartesianMeshOnly (3)");
  }
  else {
    ARCANE_FATAL("AMR is not enabled");
  }
  m_cmesh->_internalApi()->saveInfosInProperties();
}
 
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} // End namespace Arcane
 
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