grid_generator.h

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// ---------------------------------------------------------------------
//
// Copyright (C) 2022 by Luca Heltai
//
// This file is part of the FSI-suite platform, based on the deal.II library.
//
// The FSI-suite platform is free software; you can use it, redistribute it,
// and/or modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3.0 of the License,
// or (at your option) any later version. The full text of the license can be
// found in the file LICENSE at the top level of the FSI-suite platform
// distribution.
//
// ---------------------------------------------------------------------
 
#ifndef parsed_tools_grid_generator_h
#define parsed_tools_grid_generator_h
 
#include <deal.II/base/logstream.h>
#include <deal.II/base/parameter_acceptor.h>
 
#include <deal.II/distributed/grid_refinement.h>
#include <deal.II/distributed/tria.h>
 
#include <deal.II/fe/mapping_q_generic.h>
 
#include <deal.II/grid/grid_generator.h>
#include <deal.II/grid/tria.h>
 
namespace ParsedTools
{
  template <int dim, int spacedim = dim>
  class GridGenerator : public dealii::ParameterAcceptor
  {
  public:
    GridGenerator(const std::string &prm_section_path          = "",
                  const std::string &grid_generator_function   = "hyper_cube",
                  const std::string &grid_generator_arguments  = "0: 1: false",
                  const std::string &output_file_name          = "",
                  const bool         transform_to_simplex_grid = false,
                  const unsigned int initial_grid_refinement   = 0);
 
    void
    generate(dealii::Triangulation<dim, spacedim> &tria) const;
 
    void
    write(const dealii::Triangulation<dim, spacedim> &tria,
          const std::string                          &filename = "") const;
 
  private:
    std::string grid_generator_function;
 
    std::string grid_generator_arguments;
 
    std::string output_file_name;
 
    bool transform_to_simplex_grid;
 
    unsigned int initial_grid_refinement;
  };
} // namespace ParsedTools
 
#endif