NodalPatchRecoveryBase.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

// MOOSE includes
#include "ElementUserObject.h"

class NodalPatchRecoveryBase : public ElementUserObject
{
public:
  static InputParameters validParams();

  NodalPatchRecoveryBase(const InputParameters & parameters);

  virtual Real nodalPatchRecovery(const Point & p, const std::vector<dof_id_type> & elem_ids) const;

  virtual void initialize() override;
  virtual void execute() override;
  virtual void threadJoin(const UserObject &) override;
  virtual void finalize() override;

protected:
  virtual Real computeValue() = 0;

  unsigned int _qp;

private:
  RealEigenVector evaluateBasisFunctions(const Point & q_point) const;

  const unsigned int _patch_polynomial_order;

  const std::vector<std::vector<unsigned int>> _multi_index;

  const unsigned int _q;

  std::map<dof_id_type, RealEigenMatrix> _Ae;

  std::map<dof_id_type, RealEigenVector> _be;
};