CoarsenBlockGenerator.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "MeshGenerator.h"
 
class CoarsenBlockGenerator : public MeshGenerator
{
public:
  static InputParameters validParams();
 
  CoarsenBlockGenerator(const InputParameters & parameters);
 
protected:
  virtual std::unique_ptr<MeshBase> generate() override;
 
private:
  std::unique_ptr<MeshBase> & _input;
 
  const std::vector<SubdomainName> _block;
 
  const std::vector<unsigned int> _coarsening;
 
  const Point _starting_point;
 
  const Real _max_vol_ratio;
 
  const bool _verbose;
 
  const bool _check_output_mesh_for_nonconformality;
 
  virtual std::unique_ptr<MeshBase>
  recursiveCoarsen(const std::vector<subdomain_id_type> & block_ids,
                   std::unique_ptr<MeshBase> & mesh,
                   const std::vector<unsigned int> & coarsening,
                   const unsigned int max,
                   unsigned int coarse_step);
};