QuadSubChannelMesh.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 "SubChannelMesh.h"
#include "SubChannelEnums.h"

#include <map>
#include <vector>
#include <memory>  // for unique_ptr
#include <utility> // for std::pair

class QuadSubChannelMesh : public SubChannelMesh
{
public:
  QuadSubChannelMesh(const InputParameters & parameters);
  QuadSubChannelMesh(const QuadSubChannelMesh & other_mesh);

  std::unique_ptr<MooseMesh> safeClone() const override;
  void buildMesh() override;

  void computeAssemblyHydraulicParameters();

  Real getSubchannelFlowArea(unsigned int i_chan, Real z) const override;
  Real getSubchannelWettedPerimeter(unsigned int i_chan) const override;

  Node * getChannelNode(unsigned int i_chan, unsigned int iz) const override
  {
    return _nodes[i_chan][iz];
  }

  Node * getPinNode(unsigned int i_pin, unsigned int iz) const override
  {
    return _pin_nodes[i_pin][iz];
  }

  unsigned int getNumOfChannels() const override { return processor_id() == 0 ? _n_channels : 0; }
  unsigned int getNumOfGapsPerLayer() const override { return processor_id() == 0 ? _n_gaps : 0; }
  unsigned int getNumOfPins() const override { return processor_id() == 0 ? _n_pins : 0; }

  const std::pair<unsigned int, unsigned int> & getGapChannels(unsigned int i_gap) const override
  {
    return _gap_to_chan_map[i_gap];
  }
  const std::pair<unsigned int, unsigned int> & getGapPins(unsigned int i_gap) const override
  {
    return _gap_to_pin_map[i_gap];
  }
  const std::vector<unsigned int> & getChannelGaps(unsigned int i_chan) const override
  {
    return _chan_to_gap_map[i_chan];
  }
  const std::vector<unsigned int> & getPinChannels(unsigned int i_pin) const override
  {
    return _pin_to_chan_map[i_pin];
  }
  const std::vector<unsigned int> & getChannelPins(unsigned int i_chan) const override
  {
    return _chan_to_pin_map[i_chan];
  }
  const Real & getPitch() const override { return _pitch; }
  const Real & getCrossflowSign(unsigned int i_chan, unsigned int i_local) const override
  {
    return _sign_id_crossflow_map[i_chan][i_local];
  }

  const unsigned int & getNx() const { return _nx; }
  const unsigned int & getNy() const { return _ny; }

  const Real & getSideGap() const { return _side_gap; }

  unsigned int getSubchannelIndexFromPoint(const Point & p) const override;
  unsigned int channelIndex(const Point & point) const override;

  unsigned int getPinIndexFromPoint(const Point & p) const override;
  unsigned int pinIndex(const Point & p) const override;

  EChannelType getSubchannelType(unsigned int index) const override { return _subch_type[index]; }

  Real getGapWidth(unsigned int axial_index, unsigned int gap_index) const override
  {
    return _gij_map[axial_index][gap_index];
  }

  void setGapWidth(unsigned int axial_index, unsigned int gap_index, Real gap_width)
  {
    _gij_map[axial_index][gap_index] = gap_width;
  }

protected:
  unsigned int _nx;
  unsigned int _ny;
  unsigned int _n_channels;
  unsigned int _n_gaps;
  unsigned int _n_pins;

  Real _side_gap;

  std::vector<std::vector<Node *>> _nodes;
  std::vector<std::vector<Node *>> _pin_nodes;
  std::vector<std::vector<Node *>> _gapnodes;

  std::vector<std::pair<unsigned int, unsigned int>> _gap_to_chan_map;
  std::vector<std::pair<unsigned int, unsigned int>> _gap_to_pin_map;
  std::vector<std::vector<unsigned int>> _chan_to_gap_map;
  std::vector<std::vector<unsigned int>> _chan_to_pin_map;
  std::vector<std::vector<unsigned int>> _pin_to_chan_map;

  std::vector<std::vector<double>> _sign_id_crossflow_map;
  std::vector<std::vector<Real>> _gij_map;
  std::vector<EChannelType> _subch_type;

public:
  static InputParameters validParams();

  static void generatePinCenters(
      unsigned int nx, unsigned int ny, Real pitch, Real elev, std::vector<Point> & pin_centers);

  friend class SCMQuadAssemblyMeshGenerator;
};