InterfaceDiffusiveFluxIntegral.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 "InterfaceIntegralPostprocessor.h"
#include "MooseVariableInterface.h"

// Forward Declarations
template <bool>
class InterfaceDiffusiveFluxIntegralTempl;
typedef InterfaceDiffusiveFluxIntegralTempl<false> InterfaceDiffusiveFluxIntegral;
typedef InterfaceDiffusiveFluxIntegralTempl<true> ADInterfaceDiffusiveFluxIntegral;

template <bool is_ad>
class InterfaceDiffusiveFluxIntegralTempl : public InterfaceIntegralPostprocessor
{
public:
  static InputParameters validParams();

  InterfaceDiffusiveFluxIntegralTempl(const InputParameters & parameters);

protected:
  virtual Real computeQpIntegral() override;

  const VariableGradient & _grad_u;

  const VariableValue & _u;
  const VariableValue & _u_neighbor;

  const GenericMaterialProperty<Real, is_ad> & _diffusion_coef;
  const GenericMaterialProperty<Real, is_ad> & _diffusion_coef_neighbor;

  Moose::FV::InterpMethod _coeff_interp_method;
};