MFEMComplexVectorPeriodAveragedPostprocessor.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

#ifdef MOOSE_MFEM_ENABLED

#pragma once

#include "MFEMPostprocessor.h"
#include "MFEMBlockRestrictable.h"

class MFEMComplexVectorPeriodAveragedPostprocessor : public MFEMPostprocessor,
                                                     public MFEMBlockRestrictable
{
public:
  static InputParameters validParams();

  MFEMComplexVectorPeriodAveragedPostprocessor(const InputParameters & parameters);

  virtual void execute() override;

  virtual PostprocessorValue getValue() const override final;

private:
  mfem::real_t _integral;

  mfem::L2_FECollection _l2_fec;
  mfem::ParFiniteElementSpace _scalar_test_fespace;
  mfem::ParGridFunction _scalar_var;
  mfem::Coefficient & _scalar_coef;

  mfem::VectorCoefficient & _primal_var_real_coef;
  mfem::VectorCoefficient & _primal_var_imag_coef;
  mfem::VectorCoefficient & _dual_var_real_coef;
  mfem::VectorCoefficient & _dual_var_imag_coef;

  // Inner products and their weighted sum
  mfem::InnerProductCoefficient _real_inner_product_coef;
  mfem::InnerProductCoefficient _imag_inner_product_coef;
  mfem::SumCoefficient _sum_coef;
  mfem::ParLinearForm _subdomain_integrator;
};

#endif