SpiralAnnularMesh.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 "MooseMesh.h"
 
class SpiralAnnularMesh : public MooseMesh
{
public:
  static InputParameters validParams();
 
  SpiralAnnularMesh(const InputParameters & parameters);
  SpiralAnnularMesh(const SpiralAnnularMesh & /* other_mesh */) = default;
 
  // No copy
  SpiralAnnularMesh & operator=(const SpiralAnnularMesh & other_mesh) = delete;
 
  virtual std::unique_ptr<MooseMesh> safeClone() const override;
 
  virtual void buildMesh() override;
 
protected:
  const Real _inner_radius;
 
  const Real _outer_radius;
 
  Real _radial_bias;
 
  const unsigned int _nodes_per_ring;
 
  const bool _use_tri6;
 
  unsigned int _num_rings;
 
  const boundary_id_type _cylinder_bid, _exterior_bid;
 
  // Width of the initial layer of elements around the cylinder.
  // This number should be approximately 2 * pi * inner_radius / nodes_per_ring
  // to ensure that the initial layer of elements is almost
  // equilateral
  const Real _initial_delta_r;
};