MeshExtruderGenerator.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"
 
#include "libmesh/mesh_generation.h"
 
class MeshExtruderGenerator : public MeshGenerator
{
public:
  static InputParameters validParams();
 
  MeshExtruderGenerator(const InputParameters & parameters);
 
  std::unique_ptr<MeshBase> generate() override;
 
protected:
  std::unique_ptr<MeshBase> & _input;
 
  const RealVectorValue _extrusion_vector;
  unsigned int _num_layers;
  std::vector<SubdomainID> _existing_subdomains;
  std::vector<unsigned int> _layers;
  std::vector<unsigned int> _new_ids;
 
  class QueryElemSubdomainID : public MeshTools::Generation::QueryElemSubdomainIDBase
  {
  public:
    QueryElemSubdomainID(const std::vector<SubdomainID> & existing_subdomains,
                         std::vector<unsigned int> layers,
                         const std::vector<unsigned int> & new_ids,
                         unsigned int num_layers);
 
    virtual subdomain_id_type get_subdomain_for_layer(const Elem * old_elem, unsigned int layer);
 
  private:
    std::map<unsigned int, std::map<SubdomainID, unsigned int>> _layer_data;
 
    unsigned int _num_layers;
  };
 
private:
  void changeID(MeshBase & mesh, const std::vector<BoundaryName> & names, BoundaryID old_id);
};