mesh_adaptor.h

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//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Copyright (C) 2026 by the ryujin authors
//
 
#pragma once
 
#include <ryujin/base/compile_time_options.h>
#include <ryujin/base/convenience_macros.h>
#include <ryujin/interface/discretization.h>
#include <ryujin/linear_algebra/state_vector.h>
 
#include <deal.II/base/parameter_acceptor.h>
#include <deal.II/grid/tria.h>
 
#include <string>
 
namespace ryujin
{
  namespace Interface
  {
    template <int dim, typename Number = double>
    class MeshAdaptor : public dealii::ParameterAcceptor
    {
    public:
 
      using Transformation = typename Discretization<dim>::Transformation;
 
 
 
      virtual void prepare(const Number t) = 0;
 
 
 
      virtual void analyze(const StateVector<Number> &state_vector,
                           const Number t,
                           unsigned int cycle) = 0;
 
      virtual void mark_cells_for_coarsening_and_refinement(
          dealii::Triangulation<dim> &triangulation) const = 0;
 
      virtual void
      update_transformation(Transformation &transformation) const = 0;
 
 
 
      ACCESSOR_READ_ONLY(need_mesh_adaptation)
 
      //@}
 
    protected:
      explicit MeshAdaptor(const std::string &subsection)
          : ParameterAcceptor(subsection)
          , need_mesh_adaptation_(false)
      {
      }
 
      bool need_mesh_adaptation_;
    };
  } // namespace Interface
} // namespace ryujin